Best Magnesium Supplements for Sleep – Tested By Our Experts 

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Searching for a gentle push toward sleepy time, but aren’t ready to dive head-first into the best sleep aids? According to Dr. Raj Dasgupta, MD, FACP, FCCP, FAASM, “Magnesium supplements can help promote better sleep by influencing your ability to relax in the evening, as well as calming your nervous system and potentially lowering cortisol levels.” While there are certainly a range of best magnesium supplements to choose from in today’s market, only a few may be beneficial for those wanting that extra oomph before bedtime.

The best magnesium supplements for sleep primarily use magnesium glycinate and magnesium l-threonate to boost restfulness, as opposed to other types of magnesium like chloride, malate, and taurate that more generally target digestive and brain health. (1) Plus, these pills, powders, and capsules are intended to be easy to consume and convenient rather than a cumbersome addition to your nightly routine. It goes without saying, then — solely taking a general magnesium supplement may not give you the quick and easy calming results you’re searching for.

To help you narrow down your quest for a safe and effective magnesium supplement for better sleep, we assembled a team of certified sleep science coaches, registered dietitians, nutrition coaches, and dedicated supplement experts to test 28 of the top-rated options on the market and craft this roundup of the best of the best. With help from our panel of medical experts, including Dr. Sydney Lappe, MS, RDN, LDN, our team created this guide to demystify the world of magnesium and assist in helping you relax and slowly wind down for better Zzzs each evening. Let’s get into our findings.

Our Top Pick for Best Magnesium Supplements for Sleep

We chose Legion Sucrosomial Magnesium as the best magnesium supplement for sleep given its high bioavailability (easier absorption) in comparison to other magnesium forms. (2) According to our tester, the single capsule serving is also easy to swallow with an accompanying beverage, and we appreciate the Labdoor-accredited third-party testing that ensures the formulation is free of banned substances.

The 8 Best Magnesium Supplements for Sleep of 2025

Disclaimer: Please note that the content in this article is meant for informational purposes only and should not be construed as medical advice or serve as a substitute for seeing a medical professional regarding any sleep problems you may have. Please see your doctor regarding any urgent medical issues.

What I Looked for in the Best Magnesium Supplements for Sleep

To craft this guide, our team tested these popular pills, powders, and capsules in a range of categories to determine the best products that promote a positive relationship between magnesium and sleep. We examined both short-term and long-term effects of these products, taking notes on how each supplement made us feel and how it influenced our ability to get a good night’s sleep. To help you quickly digest our results, we also rated each supplement in relevant categories on a scale of 1 (lowest) to 5 (highest). Here’s what we looked at in our rankings:

  • Formulation: Does the ingredient list contain any additives beyond the essential mineral? Which type of magnesium is the primary source, and how much magnesium is present in each serving? Are the dosages in line with research-backed dosages for effectiveness? (3)(4)
  • Swallowability/Solubility: How easy are these supplements to take? Do they require complicated blending procedures, or can they be swallowed or gulped down just minutes before hitting the hay?
  • Taste: Do the capsules or powders have any noticeable flavors? If so, are they off-putting or enjoyable?
  • Side Effects: Does taking these supplements lead to a relaxing, calming effect prior to bed, or is the experience unconducive to sleep? How easily can you wake up the next day without any grogginess or fatigue? Are there other side effects of note such as bloating, GI distress, or other unwanted outcomes?
  • Third-Party Testing: Have these potential sleep aids undergone independent testing to confirm label accuracy and formulation purity? Is there evidence of these findings readily available online?
  • Cost Per Serving: Does the price tag justify each magnesium supplement’s performance in terms of improved sleep quality? Are there discounts available for subscribers?

Legion Sucrosomial Magnesium – Best Magnesium Supplement for Sleep Overall

Legion Sucrosomial Magnesium

Legion Sucrosomial Magnesium

Utilizes Sucrosomial magnesium within a third-party tested formula for better absorption and quicker effects

Pros
Higher bioavailability than other forms of magnesium
Convenient single capsule serving size
Third-party tested for label accuracy and purity
Subscription options available for discounted order totals
Cons
Lower amount of magnesium per serving than other supps we’ve tested
Capsule may be too large for pill-averse individuals

If you’re looking to catch up on sleep debt with the help of a magnesium supplement, we recommend Legion Sucrosomial Magnesium as a top consideration. This capsule uses a patented form of magnesium — Sucrosomial magnesium — that’s more bioavailable than other popular options, meaning it can be easily absorbed for the sake of improved muscle recovery and better evening relaxation. (2)(3)

Our expert contributor, Chelsea Rae Bourgeois, MS, RDN, LD, also liked the clean formulation that’s third-party tested, rating the Legion offering at 5 out of 5 for the category. “While some may prefer a higher magnesium serving per dose, I appreciate the 150 milligrams per capsule as it better exhibits what supplements are — a bridge between your dietary intake and nutritional needs,” Bourgeois noted. “Plus, I appreciate how Legion links up-to-date research on the product page, and the ingredient transparency is top notch.”

Each serving of Legion Sucrosomial Magnesium consists of a single quarter-sized capsule. Certified personal trainer and expert product tester Kate Meier said the capsules are larger than your typical multivitamin but still easy to consume before bed. “I had no issues with the serving size, just pour a small glass of water and have it ready for a washdown gulp,” she stated in reference to her 4-out-of-5 swallowability rating.

Of course, we understand that not everyone enjoys consuming capsules. If you’d rather take your magnesium in liquid form, consider a supplement like Thorne Magnesium Bisglycinate.

Finally, you can purchase Legion Sucrosomial Magnesium for roughly $0.29 per serving, which earns a 5-out-of-5 rating for value from our expert panel. Legion also offers a “Subscribe & Save” platform that can lower your order total in exchange for repeat orders. That said, a subscription may not be necessary, as a single container features 120 servings. If you’re taking just one capsule nightly, that equates to roughly four months of stock.

Transparent Labs Sleep & Recover — Melatonin Free – Best Melatonin-Free Magnesium Supplement for Sleep

Transparent Labs Sleep & Recover — Melatonin Free

Transparent Labs Sleep & Recover — Melatonin Free

Combines magnesium bisglycinate with natural ingredients to promote restful sleep without melatonin.

Pros
Formulation promotes non-habit forming sleep support with no melatonin
Informed Choice-certified with available Certificate of Analysis online
Tasteless profile, according to our tester
Cons
Large serving size of four capsules
Higher cost at $1 per serving

According to Dr. Raj Dasgupta, MD, FACP, FCCP, FAASM, “Both magnesium and melatonin can be safe options for improved sleep when taken in appropriate dosages,” but if you’re susceptible to common melatonin-related side effects like dizziness and nausea, you may be better off with a magnesium-only profile. (5) Transparent Labs Sleep & Recover is available in a melatonin-free profile capable of delivering worthwhile muscle relaxation without having a negative influence on your circadian rhythm.

Sydney Lappe, MS, RDN, LDN, rated the formulation at 4 out of 5, stating, “I like the inclusion of multiple recovery- and relaxation-supporting compounds such as magnesium, L-theanine, glycine, tart cherry powder, vitamin B6, and zinc. Plus, the fact that you can purchase these capsules with or without added melatonin gives you room to fine-tune your supplement regimen based on your personal sensitivities.”

transparent labs 3 720

Sleepopolis senior staff writer and certified sleep coach Sosha Lewis, who tested the melatonin-containing version of Sleep & Recover, added that while the serving size is four capsules, the dosage is manageable. “You do need an accompanying beverage to get all four capsules down, but there are no flavor notes, so it’s not all too bad,” she noted in reference to her 3-out-of-5 swallowability rating. For an easier consumption regimen, consider something like Legion Sucrosomial Magnesium — a sleep supplement that requires just one capsule for an effective dose.

When it comes to brand transparency, Transparent Labs (naturally) earned high marks thanks to its Informed Choice-certified formulation, as well as the provided Certificate of Analysis for Sleep & Recover. Accordingly, we rated this magnesium supplement at 5 out of 5 for the category.

However, you do need to pay a premium for such reassurance. With costs per serving hovering around $1, this is one of the more expensive supplements we’ve tested. Thankfully, though, the brand does offer a “Subscribe & Save” service for discounted rates on auto-ship orders.

Nutricost Magnesium Complex (Regular Strength) – Best Budget Magnesium Supplement for Sleep

Nutricost Magnesium Complex (Regular Strength)

Nutricost Magnesium Complex (Regular Strength)

Budget-friendly blend of magnesium oxide, citrate, and glycinate to support sleep and overall wellness.

Pros
Affordable pricing at less than $0.10 per serving
Formula combines different types of magnesium for a range of potential health benefits
Single capsule serving size
Each container is roughly eight months of supplement stocks
Cons
Magnesium serving total is not broken down by magnesium type
Limited information on third-party testing accreditation

You can’t go wrong with a good deal — we have entire roundups dedicated to the best cheap mattresses, bed frames, pillows, and more. When it comes to budget-minded picks in the magnesium supplement category, it’s tough to ignore the value at play with Nutricost’s Magnesium Complex. For roughly $0.07 per serving these capsules can deliver eight months worth of magnesium benefits, thanks to a complex formulation that includes 250 milligrams of magnesium oxide, magnesium citrate, and magnesium glycinate.

While we’ve yet to personally test this particular Nutricost offering, our expert panel is well aware of the brand’s quality and attention to detail. As a certified sports nutrition coach, I’ve also had the pleasure of testing multiple Nutricost products over the years, spanning a range of different supplement categories.

In terms of formulation, I rate these capsules at 4 out of 5. The multiple magnesium forms can be helpful for such benefits as improved relaxation, cognition, digestive support, and more. (4) Plus, Nutricost subjects this Magnesium Complex to third-party testing, although there is limited information on the results stemming from this accreditation. I also score these capsules as less than perfect since the complex is essentially a proprietary blend, and you don’t know for certain how much of each magnesium form is in each capsule.

Speaking of, we also score the convenience at 4.5 out of 5 since each serving is a single capsule. This may be to the dismay of pill-averse users, though, so if this is you,  we recommend a liquid magnesium supplement such as Thorne Magnesium Bisglycinate or a chewable gummy like Nature Made High Absorption Magnesium Glycinate Gummies.

Despite these subjective shortcomings, we cannot ignore the value of this comprehensive magnesium option. At less than $0.08 per serving, Nutricost’s Magnesium Complex is easily one of the most affordable options we’ve had in testing. Add in, too, that a single container features 240 capsules, meaning you can be well-stocked on magnesium for roughly eight months for less than a $20 bill.

Thorne Magnesium Bisglycinate – Best Liquid Magnesium Supplement for Sleep

Thorne Magnesium Bisglycinate

Thorne Magnesium Bisglycinate
Sleepopolis Score
4.60 / 5
Pros
Mixes easily, according to our tester
Present sweetness can complement a range of different nighttime beverages
Simple formula of solely magnesium bisglycinate and monk fruit extract
NSF Certified for Sport accreditation
Cons
Some may prefer a less sweet bedtime supplement
No additional magnesium forms for added benefits

“Proper hydration is essential for maintaining good sleep quality,” states Jordan Hill, a registered dietitian. While you can certainly consume many of the sleep-ready magnesium supplements with an accompanying glass of water before bed, this magnesium bisglycinate powder from Thorne can be a potentially more convenient option, especially for individuals less enthused about swallowing capsules.

In testing, certified nutrition coach Amanda Dvorak noted this Thorne Magnesium Bisglycinate mixed easily in a simple glass of water, rating the solubility at 4 out of 5. “There wasn’t an apparent grittiness to the beverage, and any settling could be resolved with just a few twirls of my mixing spoon,” she added.

thorne magnesium 2 720

RELATED: Hydration and Sleep

Additionally, the flavorless profile can be blended with your drink of choice before bed, although Amanda says there is an apparent sweetness that may throw off some palates. “I wouldn’t drink it on its own — it takes like sugar water — but I’d also caution adding it to something savory since the included monk fruit extract may offset any present flavor profiles,” she said. Accordingly, we score the taste at a conservative 3 out of 5.

Thorne Magnesium Bisglycinate also features third-party testing credentials and is NSF Certified for Sport. This can be beneficial for athletes that need to abide by strict governing policies on supplementation within their respective sport. While we rated the third-party testing at 4.5 out of 5, though, this added accreditation did influence the final cost.

Each jar of Thorne Magnesium Bisglycinate can be purchased for roughly $0.83 per serving. While this sub-$1 is approachable, it isn’t the most wallet-friendly option we’ve had during trials. We rate the value at a modest 3.5 out of 5 and recommend Nutricost Magnesium Complex for those seeking a better magnesium supplement bargain.

Double Wood Magnesium L-Threonate – Best Magnesium Supplement for Sleep and Brain Health

Double Wood Magnesium L-Threonate

Double Wood Magnesium L-Threonate

Features magnesium L-threonate for better sleep quality, mood enhancement, and other cognitive benefits.

Pros
Magnesium L-threonate has been linked to better sleep quality, improved mood, and other cognitive perks
Third-party tested with available Certificates of Analysis
Capsules go down easily, according to our tester
Cons
Serving size is four capsules
Gelatin capsules are less ideal for plant-based diets

There is a distinct relationship between sleep and the brain — if you’re unable to comfortably rest each night, you could suffer cognitive drop-off the next day. Well, magnesium helps with brain function on its own, so why not choose a sleep-oriented supplement that can power your wellness while your body recovers from the day’s list of activities? Double Wood Magnesium L-Threonate packs roughly 34 percent of your daily magnesium value into a convenient capsule, which can be beneficial when trying to improve your sleep quality while also setting yourself up for success the following morning. (6)(7)

Matt Schickling, director of content and expert sleep product tester, tested Double Wood Magnesium L-Threonate for multiple weeks and noted some positive responses. “I felt more relaxed before bed and did experience some vivid dreams,” he added in reference to his 4-out-of-5 effects rating. “Plus, other customer reviews state this Double Wood offering helped improve their cognitive function each day.”

Double Wood 2

In terms of swallowability, Matt scored these capsules at 4 out of 5. “They’re easy to get down with a glass of water, but I wouldn’t be surprised if some individuals have complications with the four-capsule serving size,” he said. For those less interested in consuming multiple capsules each night, it may be best to consider a liquid magnesium supplement like Thorne Magnesium Bisglycinate.

We should also point out that while Double Wood Magnesium L-Threonate capsules are non-GMO and gluten free, they do contain gelatin. As such, this may be a less than preferred supplement option for those following a plant-based diet.

Lastly, we scored the transparency at 4.5 out of 5 thanks to Double Wood’s third-party testing protocols and available Certificate of Analysis. We didn’t rate this score as perfect, though, since there are no popular seals of approval from the likes of institutions such as NSF or Informed Choice.

LifeForce Magnesium – Best High-Dose Magnesium Supplement for Sleep

Lifeforce Magnesium

Lifeforce Magnesium

Boasts a comprehensive magnesium complex equivalent to 75 percent of your daily recommended value.

Sleepopolis Score
4.50 / 5
Pros
Magnesium complex constitutes 75 percent of recommended daily value
No unwanted side effects, according to our tester
Lifeforce provides linked research documents online for formulation reassurance
Cons
Serving size is four capsules
Expensive at roughly $1.83 per serving

Perhaps you’re looking for a more potent supplement to raise your magnesium levels before bed. For those that don’t normally consume magnesium through their regular nutrition, LifeForce Magnesium can be an excellent option thanks to its 315 milligrams of the vital nutrient per serving — equivalent to roughly 75 percent of your recommended daily value,

We scored this formulation at a perfect 5 out of 5, too, since the complex includes multiple forms including magnesium bisglycinate chelate, magnesium L-threonate, dimagnesium malate, and magnesium N-acetyltaurinate. Each form can be ideal for supporting a range of health conditions including restful sleep, mental clarity, immune support, and more. (4)

As impressive as these magnesium levels are, though, you should take your personal consumption into consideration before signing up for such a high dosage. “Excessive magnesium intake can lead to such side effects as diarrhea, stomach cramps, and nausea,” noted Dr. Raj Dasgupta, MD, FACP, FCCP, FAASM. “If you’re unsure of your current levels, be sure to consult your personal healthcare professional prior to beginning your supplement routine.”

RELATED: Magnesium the New Melatonin?

In terms of taste and swallowability, certified personal trainer Kate Meier stated, “I had no problems consuming the capsules with an accompanying drink, although the four-capsule count was more than I typically prefer to consume before evening rolls around.” Thankfully, though, the taste isn’t off-putting, so while we scored the swallowability at 4 out of 5, taste earned a 5 out of 5. If you’d prefer a magnesium supplement in lower quantities, consider Legion Sucrosomial Magnesium or Nutricost Magnesium Complex that call for a single capsule nightly.

lifeforce magnesium capsules and nutrition label 720

Another red flag with this LifeForce supplement is the cost, which comes in at roughly $1.83 per serving. This is a definite standout from the average price tag between $0.50 and $1, so we scored the value at 1 out of 5. That said, if you’re in need of a potent magnesium formulation and your body can handle the higher dose, this could be a worthwhile profile for your sleep needs.

Nature Made High Absorption Magnesium Glycinate Gummies – Best Gummy Magnesium Supplement for Sleep

Nature Made High Absorption Magnesium Glycinate Gummies

Nature Made High Absorption Magnesium Glycinate Gummies

A convenient, tasty magnesium gummy supplement delivering highly-absorbable magnesium bisglycinate in each serving.

Pros
Convenient gummy composition
Uses magnesium bisglycinate — a highly bioavailable magnesium form
Servings are kept to just two gummies
Cons
Features added sugars
Lower magnesium counts than other supplements we’ve tested
No information on third-party testing

OK, so we understand that not everyone is willing to take multiple capsules each night for the sake of better sleep and slumber. A possible resolution? Magnesium gummies that, like melatonin sleep gummies, can be a fun, enjoyable way to hit your nutrient goals without struggling through multiple swallows of large pills. Of the bunch, we’re fans of Nature Made High Absorption Magnesium Glycinate Gummies, given their approachable price point and use of magnesium bisglycinate — a type of magnesium more absorbable than others for quick, effective results. (4)

Expert contributor Chelsea Rae Bourgeois, MS, RDN, LD praised these gummies for using magnesium bisglycinate over other forms, stating, “Research indicates that bisglycinate can be more bioavailable than other magnesium options, which can lead to quicker results post-consumption.” (8) However, we conservatively rated the formulation at 1 out of 5 given that each gummy features added sugars and there are no notes on third-party testing accreditation.

We’ve yet to personally test these chewable magnesium supplements, but from my experience as a certified sports nutrition coach, I can confidently rate the swallowability at 4.5 out of 5. Nature Made gummies, in my experience, don’t have a hardness or chalkiness to them, so I’m assuming these will be similar. Plus, a gummy can be a far more accommodating profile than a large capsule.

In terms of taste, you only have one flavor to choose from — Mixed Berry. Still, though, this can be a nice reprieve from tasteless powders and capsules, so we’ll score these chewables at 4 out of 5. If you’re looking for another sweet alternative to tasteless capsules, consider Thorne Magnesium Bisglycinate, which features monk fruit extract as a sweetening agent.


As a final note, our expert contributor stated, “I wouldn’t use these gummies as a primary source of magnesium given the lower 100-milligram serving. As a supplement, it’s fine, but if you’re in need of higher counts, consider adding more magnesium-rich foods to your regular diet.”

Bettervits Magnesium Complex – Best Magnesium Complex for Sleep

Bettervits Magnesium Complex

Bettervits Magnesium Complex

Triple magnesium blend with added zinc and vitamin D3 to support sleep, mood, and overall wellness.

Pros
Combines citrate, malate, and glycinate for optimal bioavailability and health wellness support
No unpleasant smells or taste
Vegetarian-friendly capsules can be ideal for individuals with plant-based diets
Cons
High costs at roughly $1 per serving
Less suitable for those that prefer to take magnesium via gummies or powder

As you’ve gathered from this roundup, there are various types of magnesium available in supplement form — each with their own perks and main functions. If you’d like to supplement with magnesium for purposes beyond better sleep, it may be wise to opt for a magnesium complex supplement such as Bettervits Magnesium Complex, our top pick in the category. This two-capsule serving combines magnesium citrate, glycinate, and malate to help improve bioavailability (how easily the magnesium can be absorbed post-consumption) and benefit users dealing with symptoms such as poor sleep, constipation, mental fog, and more. (4)

Certified personal trainer Kate Meier appreciated this multifaceted approach to magnesium supplementation, rating the formulation at 5 out of 5. “The brand is also fairly transparent when it comes to the supplement facts, and the capsules are third-party tested for label accuracy and purity,” she added in reference to her 5-out-of-5 transparency rating.

Each serving of Bettervits Magnesium Complex is confined to just two capsules, which can be helpful when trying to avoid large pill quantities just before bed. Kate also said that the pills are sized relatively well, resulting in a 4-out-of-5 swallowability rating. “I also experienced no unpleasant side effects, but that’s mainly due to the fact that my body is accustomed to magnesium supplementation,” she said. “It may be best to speak to your healthcare provider before starting with this profile, especially if you’re unclear on which type of magnesium supplement is best for your needs.”

In terms of cost, the price per serving equates to roughly $1 — a median cost compared to other magnesium supplements we’ve tried. As such, we score the overall value at 2 out of 5. If you’re in need of a cheaper option, consider Nutricost Magnesium Complex.

Other Magnesium Supplements for Sleep We Considered

Our Sleepopolis team of registered dietitians, nutrition coaches, and certified sleep science coaches examined and tested 28 different magnesium supplements for this roundup to identify which pills, capsules, and powders are ideal for a better night’s sleep. Naturally, there were some options that just missed the cut. Here are a few that were standout products in their own right, yet didn’t quite make it into our best-of list.

Klean ATHLETE Klean Magnesium

Klean Magnesium earned high marks thanks to its affordable cost per serving, simplified formulation containing 120 milligrams of magnesium glycinate, and NSF Certified for Sport accreditation. However, this supplement is designed to be an all-day profile targeting calmness and relaxation rather than a dedicated sleep aid, meaning it may be less ideal for those solely focused on improving their sleep hygiene and quality.

Snap Supplements Magnesium Complex

Snap Supplements Magnesium Complex combines magnesium bisglycinate, magnesium oxide, magnesium citrate into a single capsule for an assortment of potential perks. That said, the 400 milligrams of magnesium per serving is almost too much magnesium for a majority of individuals, based on recommended daily values. (4) If you’re already consuming magnesium-rich foods in your daily diet, this may be overkill just before your evening winds down.

Performance Lab Sleep

This vegan-friendly and gluten-free magnesium supplement includes added sleep-supporting nutrients such as L-tryptophan, albeit in small dosages. We kept Performance Lab Sleep out of our final rankings, though, given the expensive price tag of roughly $1.47 per serving.

How We Picked and Tested These Magnesium Supplements for Sleep

To craft this guide to the best magnesium supplements for sleep, our team of expert testers and medical professionals applied our in-depth testing methodology to rate and examine each supplement in a variety of categories. We took notes on quantitative factors like price and magnesium per serving, but also did our best to capture the more qualitative, such as  ease of consumption, taste, and potential side effects. Below, we’ve provided additional insight on how each chosen magnesium supplement was graded and reviewed.

Magnesium Form

According to Dr. Shelby Harris, licensed clinical psychologist and Sleepopolis medical advisor, “A good night’s sleep should be the priority of every individual.” With that in mind, there are many different pathways to achieving worthwhile slumber. Like the best natural sleep aids, different forms of magnesium can have different influences on your sleep quality. While some can be beneficial in relaxing your muscles and generating a “euphoria of calmness,” others may be best reserved for general cognitive function, immune support, or digestive health. (1)(4)

One such magnesium strain that has been linked to effective sleep support is magnesium glycinate. (1) This form can help relieve stress and anxiety, promoting a calm state prior to bed for better rest and relaxation. We made sure to focus on magnesium supplements and complexes featuring this particular strain.

Solubility/Swallowability

When looking for a worthwhile magnesium supplement to help with your sleep habits, you should aim to find a profile that’s convenient enough to take prior to hitting the hay. You don’t want to be choking down large, cumbersome capsules or continuously stirring powders right before it’s time to shut down the day. We made sure to include applicable notes on the serving sizes of each chosen magnesium supplements, as well as our experiences with actually consuming each product.

Value

Price can be a major factor in selecting a proper dietary supplement — there’s no sense in straining your finances for a product that may or may not work for your wellness needs. We looked at the costs per serving for each chosen sleep-supporting magnesium supplement with emphasis on products featuring price tags below $1 per dose. If a profile featured a higher cost per serving, we made sure to include additional information to justify the elevated expense.

Side Effects 

As is the case with other sleeping pills and nighttime supplements, magnesium capsules and powders can come with potential side effects. Our testers examined their personal experiences with each product they tried, noting any sensations (both good and bad) or side effects they experienced during short-term and long-term use.

Some of our testers are regular magnesium users, so we also included information on how these chosen picks compared to their regular routines. Be mindful, too, that your experience with a specific magnesium supplement can differ depending on your regular eating habits and personal sensitivities. If you’re unsure of how your body will react — or whether you even need a magnesium supplement — be sure to speak to your personal healthcare professional prior to beginning a supplement regimen.

Third-Party Testing

Magnesium supplements are not monitored by the Food and Drug Administration (FDA), meaning brands are not inherently bound to be accurate or forthcoming when it comes to each product’s formulation and dosages. As such, we sought to include supplements with independent testing accreditation for added reassurance in terms of label accuracy and ingredient purity. Popular third-party testing accreditations include the likes of Informed Choice and NSF, but there are other labs and centers that caught our attention, as well.

What to Consider When Buying Magnesium Supplements for Sleep

As with any new dietary supplement, it’s important to think through multiple factors before choosing a magnesium supplement to bolster your nightly sleep regimen. Below, we’ve outlined some key considerations to have top of mind as you finalize your online cart.

How Magnesium Supplements for Sleep Work

While magnesium can influence over 600 functions at the cellular level, it is one of the primary micronutrients that affect sleep. Rather than providing sedative effects, magnesium can potentially help you lower cortisol levels, relax your muscles, and regulate your nervous system prior to bedtime. (1) “In turn, this can help create a conducive environment for better sleep,” notes Dr. Raj Dasgupta, MD, FACP, FCCP, FAASM.

Given magnesium’s array of potential benefits and functions within the human body, it’s important to choose a sleep-supporting form of magnesium from the jump. In our opinion, selecting a magnesium supplement containing magnesium glycinate or bisglycinate can be the best option for supporting your sleep-wake cycle with a relaxed, calmed pre-bed status as opposed to other forms such as magnesium malate, oxide, and citrate, among others.

Potential Risks and Precautions

As with any supplement, there are some potential risks to be aware of before adding a sleep-supporting magnesium capsule or powder to your regimen. According to Dasgupta, “Excessive magnesium consumption can lead to symptoms including nausea, irregular heartbeat, diarrhea, stomach cramping, and more.” Be sure to take your personal nutrition habits into consideration before adding a new magnesium supplement to your routine — you may already be at the 300 to 420 recommended daily value (per the National Institute of Health) from regular foods alone. (4)

It’s also important to recognize that not every magnesium form is best suited to treat potential sleep disorders. If you’re taking a supplement rich in magnesium oxide, for example, you’re likely to experience more relief from constipation, while magnesium L-threonate can be ideal for cognitive function. (4) While not “side effects” per se, they may be unwanted interactions if you’re solely wanting a sleep-supporting pill or capsule.

How to Choose the Best Magnesium Supplements for Sleep

The best magnesium supplement for your sleep quality can be subjective depending on your personal wants, needs, and sensitivities. A good rule of thumb, though, is to choose a magnesium powder or capsule that includes magnesium glycinate — a form of magnesium linked to improved muscle relaxation and sleep-supporting cognitive function. (1)(4) Your chosen supplement’s fact sheet should be easy to decipher, too, with clear, concise serving sizes listed for each included compound.

We also recommend seeking out supplements with additional third-party testing marks. Since supplements are not regulated by the FDA, these accreditation stamps can give you confidence that what’s listed in your supplement is actually in the formulation.

Finally, a magnesium supplement shouldn’t be a burden on your finances. Typically, you can find high-quality powders, gummies, and capsules for $1 per serving or less, but be sure to take a gander at your budget prior to checkout and ensure you can comfortably afford your new sleep regimen addition.

Who Should Take Magnesium Supplements for Sleep

Magnesium supplements for sleep can be beneficial for a variety of individuals, including:

  • Those with a present magnesium deficiency
  • Individuals struggling with common sleep issues like restless leg syndrome and insomnia
  • People sensitive to other sleep aid supplements seeking a more natural form of supplementation

Who Should Not Take Magnesium Supplements for Sleep

There’s an opposite side to every coin, right? While we feel magnesium supplements can be beneficial for certain parties, there are a few that may be better suited with other popular sleep supplements. Magnesium supplements may be less ideal for:

  • Those already consuming a worthwhile amount of magnesium through their regular diet
  • Individuals currently taking specific medications that might be influenced by increased magnesium consumption
  • People with pre-existing conditions that have been warned by their healthcare providers on the risks of increased magnesium consumption

Best Magnesium Supplements for Sleep FAQs

What is the best form of magnesium for sleep?

While magnesium supplements can improve a range of body functions, magnesium glycinate can be a top strain for sleep support thanks to its muscle-relaxing influences as well as its ability to create a calming, stress-free mind space prior to bed. Other forms, such as magnesium L-threonate, can also be useful, but glycinate is the main profile we recommend for nighttime magnesium consumption.

Is it OK to take magnesium every night for sleep?

Supplementing with magnesium each night before bed can be a fine habit to help bolster your sleep quality. However, it’s important to remember that magnesium consumption also comes from your daily food intake, and excessive magnesium levels can lead to such symptoms as GI distress, bloating, nausea, and more. Think about your personal eating habits and speak to your healthcare professional to ensure your nightly magnesium capsule or powder isn’t putting you over your daily limit.

How much do magnesium supplements for sleep cost?

Magnesium supplements for sleep can range in prices depending on container size, third-party testing, and other factors. On average, though, you can expect to find high-quality profiles for $1 or less per serving.

Sources

    1. Arab, A., Rafie, N., Amani, R., & Shirani, F. (2022). The role of magnesium in sleep health: A systematic review of available literature. Biological Trace Element Research, 201(1), 121–128. https://pubmed.ncbi.nlm.nih.gov/35184264/
    2. Brilli, E., Khadge, S., Fabiano, A., Zambito, Y., Williams, T., & Tarantino, G. (2018). Biovailability of Sucrosomial® Magnesium vs. standard … European review for medical and pharmacological sciences. https://www.europeanreview.org/wp/wp-content/uploads/1843-1851-1.pdf
    3. Rawji, A., Peltier, M. R., Mourtzanakis, K., Awan, S., Rana, J., Pothen, N. J., & Afzal, S. (2024). Examining the effects of supplemental magnesium on self-reported anxiety and sleep quality: A systematic review. Cureus. https://pmc.ncbi.nlm.nih.gov/articles/PMC11136869
    4. U.S. Department of Health and Human Services. (n.d.). Office of dietary supplements – magnesium. NIH Office of Dietary Supplements. https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/
    5. Besag, F. M., Vasey, M. J., Lao, K. S., & Wong, I. C. (2019). Adverse events associated with melatonin for the treatment of primary or secondary sleep disorders: A systematic review. CNS Drugs, 33(12), 1167–1186. https://pubmed.ncbi.nlm.nih.gov/31722088/
    6. Hausenblas, H. A., Lynch, T., Hooper, S., Shrestha, A., Rosendale, D., & Gu, J. (2024). Magnesium-l-threonate improves sleep quality and daytime functioning in adults with self-reported sleep problems: A randomized controlled trial. Sleep Medicine: X, 8, 100121. https://pubmed.ncbi.nlm.nih.gov/39252819/
    7. Zhang, C., Hu, Q., Li, S., Dai, F., Qian, W., Hewlings, S., Yan, T., & Wang, Y. (2022). A Magtein®, Magnesium L-threonate, -based formula improves brain cognitive functions in healthy Chinese adults. Nutrients, 14(24), 5235. https://pubmed.ncbi.nlm.nih.gov/36558392/
    8. Uberti, F., Morsanuto, V., Ruga, S., Galla, R., Farghali, M., Notte, F., Bozzo, C., Magnani, C., Nardone, A., & Molinari, C. (2020). Study of magnesium formulations on intestinal cells to influence myometrium cell relaxation. Nutrients, 12(2), 573. https://pmc.ncbi.nlm.nih.gov/articles/PMC7071389/

Ben Emminger

Ben Emminger

Staff Writer

About Author

Ben is a writer with over nine years of experience within the health and fitness industry. A NASM-Certified Nutrition Coach and NASM-Certified Sports Nutrition Coach, his subject matter expertise covers a wide range of topics including supplementation, recovery, strength training, running, and more.

Ben holds a B.A. in Print Journalism from Penn State University and has had his works previously featured by DICK’S Sporting Goods and Gear Patrol. When not training or writing, he can be found in Pittsburgh taking part in his other interests which include cooking, DIY projects, and the outdoors.