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Best Sleep Supplements of 2021

Magnesium is America's favorite new sleep aid. What you need to know about this mega-important mineral, and how to find the best supplement.

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There's no shortage of things that can keep us awake at night. Stress, caffeine, brain chatter, snoring partners — not to mention the ever-present screen — can all get in the way of catching much-needed Z's. 

But new evidence suggests that low magnesium levels may also be to blame. If you have a hard time falling asleep, you may be one of 68% of US adults,Journal of the American College of Nutrition who don't consume enough magnesium

Most of us know that lack of sleep can make us feel groggy and irritable, but it can also interfere with our metabolism and cognition, and even slow down immune response

As more consumers wake up to the vital importance of sleep, it's no coincidence that magnesium supplements are also flying off the shelves. But not all magnesium supplements guarantee a good night's sleep. At Smarter Reviews, we know the last thing you want to lose sleep over is a bad purchase.

After examining some of the top-selling magnesium supplements for sleep, our experts put together this quick and easy buying guide to show you exactly what to look for and what to avoid in an effective supplement. Plus, find out which top 5 supplements we awarded best in class of 2021. 

Magnesium Can Effectively Support

Sleep Quality

Stress & Mood

Heart Health

Immune Response

Bone Strength

How Does Magnesium Improve Sleep? 

Magnesium influences sleep in two important ways. First, it encourages the release of melatonin, aka, the "sleep hormone." As we age, we produce less melatonin. As a result, adults over the age of 50 tend to have more sleep-related issues than people who are younger

Secondly, magnesium binds to GABA receptors. GABA is a neurochemical that helps us relax and primes our bodies for sleep. 

Why Chelated Magnesium Is Essential

Despite being vitally important to our health, our bodies aren't great at absorbing magnesium. In fact, we only absorb 30 to 40% of the magnesium we get from food

That's why almost all supplemental magnesium is chelated. When magnesium is chelated, it is bound to an amino acid to improve bioavailabilityhow well something is absorbed

In addition to getting magnesium across the finish line, amino acids provide unique benefits of their own. But there are about as many types of chelated magnesium as there are amino acids, and some are better suited for sleep and relaxation than others. 

Best Types Of Chelated Magnesium 

The following types of chelated magnesium are ranked highest according to their overall bioavailability as well as their ability to promote rest and relaxation. 

Magnesium Glycinate

In addition to being highly bioavailable, the amino acid, glycine, also facilitates the release of GABA, which encourages calm and relaxation. 

Magnesium Citrate

Magnesium citrate can pass through the most volatile parts of the gut with relative ease, making ideal for absorption. The amino acid, citrate, is also beneficial for digestive regulation

Magnesium Malate

Magnesium malate ranks highly in terms of bioavailability. It also has natural antacid properties to help calm the stomach before bed. 

Smarter Shopper Checklist 

Zinc

Emerging research suggests that zinc helps "calm" the central nervous system (CNS) to promote deep, restorative sleep. It also helps the body absorb magnesium more efficientlyToo much zinc can hinder the absorption of other vital nutrients, so if you're taking multiple supplements with zinc, try not to exceed 40 mg/day and is key to bone and immune health. 

Vitamin D3

Vitamin D3 is directly involved in the production pathway of melatonin. Additionally, it works hand-in-glove with magnesium to promote healthy bones and blood circulation. 

GMP Compliant

Look for brands that clearly label GMP (Good Manufacturing Practices). Products manufactured in GMP-compliant facilities are held to high standards of safety and cleanliness.

Money-Back Guarantee 

Sometimes it takes weeks, or even months to notice results from supplements. We recommend going with a brand that offers at least a 60-day money-back guarantee in case things don't work out. 

What To Avoid In Your Supplement:

Magnesium Oxide

Magnesium oxide is the most poorly absorbed form of chelated magnesium as it is nearly insoluble in water.

Melatonin

Melatonin may provide short-term sleep aid, however, little is known about its long-term side effects. Regular usage may also lead to daytime drowsiness and dizziness.  

Unnecessary Additives

Avoid supplements that use unnecessary additive or fillers, such as magnesium stearate and soy, as they may lead to allergic reactions.

Top 5 Magnesium Supplements For Sleep

The following selections are ranked in terms of safety, efficacy, and the ability to promote better sleep and relaxation. Without further ado, here are our favorite magnesium sleep supplements of 2021. 

1. MagWell®

Total Ranking

9.8/10

A+

Overall Grade

PROS

  • 3 types of magnesium
  • Vitamin D3
  • Zinc
  • No unnecessary additives 
  • GMP compliant
  • Non-GMO
  • 365-day money-back guarantee

CONS

  • Exclusively sold online
The Bottom Line

MagWell from Live Conscious is made with a 225-mg blend of chelated magnesium, including magnesium glycinate, magnesium citrate, and magnesium malate.

As mentioned earlier, these types of are more readily absorbed than others, while magnesium glycinate is particularly beneficial for rest and relaxation. 

This formula also includes zinc and vitamin D3 for enhanced absorption. They also work synergistically with magnesium to promote better sleep and support heart, bone, and immune health

MagWell is 100% non-GMO, manufactured in a GMP-compliant facility, and includes a 60-day supply. According to their website, Live Conscious backs all of their products with a 365-day money-back guarantee, no questions asked. 

*Results are based on the Smarter Reviews Ranking System and do not necessarily reflect typical results from the use of these products. Please visit product websites for more information.

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2. Magnesium + Zinc

Total Ranking

9.5/10

A

Overall Grade

PROS

  • 3 types of magnesium
  • Zinc
  • Vitamin D3
  • No unnecessary additives 
  • GMP compliant
  • Non GMO 
  • 365-day return policy 

CONS

  • Exclusively sold online
  • New to the market
The Bottom Line

Like our top pick, Magnesium + Zinc from Essential Elements is made with a 225-mg blend of magnesium, including malate, citrate, and glycinate.

It also contains zinc & vitamin D3 for enhanced absorption and additional sleep, bone, and heart benefits.

Magnesium + Zinc is non-GMO, free of unnecessary additives, and manufactured in a GMP-compliant facility to ensure safe and sanitary conditions. Each bottle contains a 90-day supply. 

Likewise, Essential Elements offers a solid, 365-day money-back guarantee

*Results are based on the Smarter Reviews Ranking System and do not necessarily reflect typical results from the use of these products. Please visit product websites for more information.

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3. Triple Magnesium Complex

Total Ranking

9.1/10

A-

Overall Grade

PROS

  • 3 types of magnesium
  • Non-GMO
  • Vegan 
  • No unnecessary additives 
  • GMP compliant
  • 60-day return policy

CONS

  • No zinc
  • No vitamin D3
The Bottom Line

BioEmblem's Triple Magnesium Complex is made with our favorite types of chelated magnesium: malate, citrate, and glycinate.

At 300mg/serving, this product contains slightly more magnesium than our first two picks (225mg). However it falls short in two areas: it lacks zinc and vitamin D3 and costs more than other options despite containing 45 servings per bottle. 

On the upside, this product is non-GMO, free of unnecessary additives, and manufactured according to GMP guidelines. 

If for any reason you're not satisfied with this product, BioEmblem offers a 60-day return policy

*Results are based on the Smarter Reviews Ranking System and do not necessarily reflect typical results from the use of these products. Please visit product websites for more information.

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4. Triple Calm Magnesium

Total Ranking

8.9/10

B+

Overall Grade

PROS

  • 3 types of magnesium
  • Non-GMO
  • GMP compliant
  • Vegetarian
  • 60-day return policy

CONS

  • Lacks zinc
  • Lacks vitamin D3
  • Slightly small dose
The Bottom Line

Like it's name implies, Triple Calm Magnesium uses three types of chelated magnesium, including familiars like magnesium malate and glycinate.

Instead of magnesium citrate, this product uses magnesium taurate, which is made with the amino acid, taurine. In addition to increased bioavailability, magnesium taurate helps support healthy blood flow

Triple Strength Magnesium is 100% non-GMO, vegetarian, and manufactured according to GMP guidelines. Every bottle contains a 60-day supply, however, at just  150mg/serving, it contains noticeably less magnesium than our other picks. Additionally, it lacks both zinc and vitamin D3.

Natural Rhythm offers a 60-day return policy

*Results are based on the Smarter Reviews Ranking System and do not necessarily reflect typical results from the use of these products. Please visit product websites for more information.

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5. Magnesi-Om

Total Ranking

8.5/10

B

Overall Grade

PROS

  • Magnesium blend (500 mg): citrate and oxide
  • GMP certified
  • 365-day return policy

CONS

  • Lacks zinc
  • Lacks vitamin D3 
  • 45-day return policy  
The Bottom Line

When it comes to health and wellness, few brands are as unique as Moon Juice. What sets Magnesi-Om apart from others on our list is its inclusion of L-theanine, an amino acid with relaxing effects. 

While it's not a sleep supplement per se, L-theanine helps calm the mind in a similar fashion as magnesium glycinate by influencing GABA. Magnesi-Om includes three types of chelated magnesium, including citrate, gluconate, and acetyl taurinate.

Unlike the others on this list, Magnesi-Om is not a capsule but a flavored powder that can be mixed in liquid.

Many people swear by Moon Juice, and it even has somewhat of a fan following. However, their products tend be on the pricey side and this product is no exception. Magnesi-Om contains just 30 servings per tub at nearly twice the cost of every other product on our list.

Considering the price tag, Moon Juice's 45-day return policy falls below expectations. 

*Results are based on the Smarter Reviews Ranking System and do not necessarily reflect typical results from the use of these products. Please visit product websites for more information.

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