“By far the best magnesium I have taken” Emily S. “I actually feel the difference in my legs at night” Patricia E. “Not waking up at three in the morning any more” Emily S. “First supplement company that let me look up the lab sheet” Mary F.

4.9 972,661+ Happy Customers

Relax Body and Mind with Magnesium Glycinate (400mg)

Name: Magnesium Glycinate
Brand: Luma Nutrition
SKU: mag1
Price: 29.99 USD
Availability: InStock
Rating: 4.9 (828 reviews)

Deeper Sleep, Calmer Nerves & Looser Muscles

Fall Asleep Faster

Fewer 3am Wake-Ups

400 mg Elemental Dose

Made in the USA

Third-Party Tested

90-Day Guarantee

1 Bottle 1-Month Supply $22.49/bottle $29.99 Most Popular 3 Bottles 3-Month Supply $20.09/bottle $29.99 Best Value 6 Bottles 6-Month Supply $17.99/bottle $29.99

Save 33% with automatic refills Shipped every 3 months. No commitment. Cancel anytime

Delivered by Aug. 17–18 🇺🇸 Fast US Shipping

Trusted by 972,661+ Americans Made in the USA. Veteran-owned.

90-Day Guarantee

We offer a 90-day money-back guarantee.

If you don't feel the difference, we'll issue a full refund — no questions asked. Simply reach out to our support team.

The Science Behind It

Magnesium is a cofactor in over 300 enzymatic reactions, including the pathways that calm the nervous system and let muscles release after they contract.

The glycinate form is magnesium bound to glycine, an amino acid with its own calming properties — it’s the form best absorbed and best tolerated by sensitive stomachs.

Magnesium works by refilling a deficit — many people notice easier sleep within the first week, with the full effect building over 3–4 weeks of nightly use.*

How to Take

Take 2 capsules daily, ideally 30–60 minutes before bed. They can be taken with or without food.

Magnesium works best as a daily habit — take it at the same time each night, and give it a few weeks to build up.

Shipping & Returns

We offer tracked shipping on all orders, processed within 24 business hours on weekdays.

U.S. orders typically arrive in 3–5 days. Shipping is free on subscriptions and on one-time orders over $50.

Returns are easy. Every order is covered by our 90-day money-back guarantee — email help@lumanutrition.com and we’ll handle everything.

Is It Safe?

Yes — our magnesium glycinate is made in FDA-registered, GMP-certified U.S. facilities with no proprietary blends — every dose is stated plainly on the label. Every batch is third-party tested for purity and potency by an independent ISO 17025-accredited lab.

Glycinate is the form of magnesium best tolerated by sensitive stomachs. However, if you’re pregnant, nursing, or taking medication (magnesium can affect absorption of some antibiotics and thyroid medication), we recommend consulting your healthcare provider before use — just to be safe.

Ingredients

1,000 mg of magnesium glycinate per 2-capsule serving, providing 200 mg of elemental magnesium (48% of your Daily Value).

The only other ingredients are a plant-based capsule and organic rice concentrates — no magnesium stearate, no artificial dyes, no preservatives. Made in FDA-registered, GMP-certified U.S. facilities.

3rd-Party Testing

Every batch is tested by an independent ISO 17025-accredited lab — potency, heavy metals, and microbiology. We publish every result. Click here.

Start feeling these benefits in 90 days or less.

Magnesium is used in hundreds of processes in the body, and the ones you notice first are sleep, nerves and muscle. If you lie awake with a busy head, wake at 3am, or get calf cramps, this is the first thing worth ruling out.

Falling asleep

Supports the calm side of your nervous system, so the lights-out gap gets shorter.

Staying asleep

The most common thing customers report: fewer 3am wake-ups by the second week.

Muscle and cramp

Magnesium is what lets a muscle release after it contracts. Night cramps often ease first.

Everyday stress load

Stress burns through magnesium, and low magnesium makes stress land harder.

What real customers are saying.

★★★★★ 4.9 · 828 reviews · verified buyers of this formula

★★★★★

“This is by far the best magnesium supplement I’ve ever taken. I have the best sleep!”

Valerie C.Magnesium Glycinate · Verified buyer

★★★★★

“I feel as though I am sleeping more deeply! I have also noticed a difference in how I respond to stress!”

Jennie C.Magnesium Glycinate · Verified buyer

★★★★★

“Noticed a difference right away. Sleep great, wake up refreshed.”

Gary W.Magnesium Glycinate · Verified buyer

Most magnesium on the shelf barely absorbs.

Stop paying for a form your body flushes.

Wrong form

Most cheap bottles use magnesium oxide. It is the least absorbable form on the market, and it is the reason magnesium has a reputation for sending people to the bathroom.

Under-dosed

Then they list the weight of the whole compound, not the elemental magnesium inside it. A bottle can say 500 mg on the front and deliver 60 mg of usable magnesium.

Untested

Many brands claim third-party tested. Can they prove it? Ask them for a result. We post ours freely. Click here.

We built this bottle to a higher standard. Here’s the proof.

Premium quality for a fair price. The Luma 4-Point Verification checks potency, purity, microbiology and identity confirmation on every batch. We publish the results of all third-party testing.

Why our Magnesium Glycinate is better.

LumaOthers

Chelated Glycinate FormYesNoElemental Dose On LabelYesNoClinically Dosed400 mg200 mgNo Laxative EffectYesNoThird-Party TestedYesNo

Per serving. Others = median across the ten best-selling magnesium bottles, Amazon, June 2026.

How long until I see results?

Magnesium works by refilling a deficit, so it builds rather than hitting all at once. Typical, not guaranteed — which is why the guarantee runs 90 nights.

Nights 1–3 Falling asleep gets easier

The first thing most people notice. Nothing dramatic — the gap between lights-out and sleep just gets shorter.

Week 2 Fewer 3am wake-ups

The most common thing customers report. You start sleeping through instead of surfacing at the same hour.

Week 4+ Cramps and tension ease

Magnesium works by refilling a deficit, so the muscle side takes longest. Night cramps usually go first.

Trusted by world-class medical professionals.

Dr. Kela SmithPhD, DNM

Integrative & functional medicine✓Recommends for metabolic support

“What I really love about Luma Nutrition is how dedicated they are to purity, proper dosing, and smart formulation.”

Dr. Blane SchillingM.D.

Sports & regenerative medicine✓Recommends for joint and recovery

“These aren’t just pretty labels. They really deliver. The dosing is where most brands quietly cut corners.”

Dr. Erica GinsburgM.D.

Internal medicine✓Recommends for heart health

“Quality ingredients, appropriate dosing, thoughtful formulations. I’m comfortable recommending them to patients.”

These practitioners partner with Luma Nutrition as paid ambassadors, sharing their own opinions and experience.

I couldn’t find a brand I trusted. So I built one.

It started with a supplement I almost bought for my parents. The label looked impressive. But I couldn’t find any test results, and the dose was a fraction of what the research used.

The Army drilled honor and integrity into me. You don’t cut corners when people are counting on you. The supplement industry cut them everywhere I looked.

So I built Luma to a higher standard: meaningful doses, independent testing on every batch, and verified results anyone can see.

Nothing goes in these bottles that I wouldn’t give my family or take myself. We’ll never ask you to trust a claim we aren’t willing to prove.

Questions? Reach out. I read and answer them.

Jake LangleyFounder · U.S. Army Infantry Officer

Jake’s Deal

Take it for 90 nights. If your sleep isn't better, you get your money back.

We refund the whole order, empty bottles included. We stand behind the quality of what we make, and we’re confident enough to put our money where our mouth is.

Jake Langley · Founder, U.S. Army Officer

Shop this formula

90-day money-back guaranteeEmpty bottles included

Made in the USAFDA-registered, NSF GMP

Third-party testedEvery batch, published

Veteran-ownedFounded by a U.S. Army officer

Questions before you order.

How long until I see results?

Most people notice falling asleep more easily within the first three nights. Fewer 3am wake-ups usually follow around week two, and the muscle and cramp side takes longest, often a month. Magnesium works by refilling a deficit, so it builds rather than hitting all at once.

How many capsules do I take, and when?

Two capsules about an hour before bed. That gives the full 400 mg. With food or without, it does not matter. If it makes you drowsy earlier in the day, move it earlier.

Will it upset my stomach?

The laxative effect people associate with magnesium comes from oxide and citrate pulling water into the bowel. Glycinate is chelated to an amino acid instead, and it is the form sensitive stomachs tolerate best. If two capsules still feel like too much, start with one.

Can I take this with my prescriptions?

Ask your doctor or pharmacist first. Magnesium can interfere with the absorption of some antibiotics and thyroid medication, usually solved by spacing the doses a few hours apart. Call us before you order and we will talk it through.

How is this different from a cheaper magnesium?

Most bottles use oxide and print the weight of the whole compound rather than the elemental magnesium inside it. We use chelated glycinate, state the elemental amount, and publish a lab report for every lot.

What if it does not work for me?

You get your money back. The whole order, empty bottles included, for 90 days. No forms and no restocking fee.

Real customers, real results.

Verified buyers of this formula, in their own words.

4.9★★★★★828 reviews

5★91%

4★6%

3★2%

2★1%

Read all 828 reviews →

Individual results vary. These statements have not been evaluated by the FDA.