Ingredient Guide

Magnesium Glycinate: The Gentle, Well-Absorbed Form of Magnesium

Most people don't think much about magnesium until sleep gets choppy or muscles feel tight — and then they're staring at a shelf of forms that all sound the same. They're not the same. Magnesium glycinate is the chelated form: magnesium bound to the amino acid glycine. That small detail is the whole reason people reach for it.

Evidence-based
Structure/function only
No proprietary blends

What it is

Magnesium glycinate (also called magnesium bisglycinate) is elemental magnesium bound to two molecules of glycine. Magnesium is an essential mineral your body uses in hundreds of enzymatic reactions, including those involved in normal muscle and nervous-system function. Many adults fall short of recommended magnesium intake from diet alone.

How it works

Magnesium contributes to normal muscle function, normal nervous-system function, and normal energy metabolism. Binding magnesium to glycine produces a chelated form that is generally well tolerated in the digestive tract compared with some inorganic forms. We describe magnesium's role in normal body function only — not as a treatment for any condition.

Why the form & source matter

Different magnesium forms behave differently in the gut. Inorganic forms like magnesium oxide are often poorly absorbed and more likely to cause loose stools. Chelated glycinate is chosen for everyday use because it tends to be gentler on digestion. The form is the practical difference between a supplement you keep taking and one you abandon.

How Monthlees uses it

Monthlees offers magnesium glycinate as a standalone capsule, and magnesium glycinate also appears as a cofactor inside the Testosterone Foundation Smart Stack. We focus on transparent dosing and a form built for daily tolerability — no proprietary blends, no markup games.

Frequently asked questions

What is magnesium glycinate good for?

It supplies magnesium, which supports normal muscle and nervous-system function, in a chelated form chosen for gentle digestion.

How is glycinate different from citrate or oxide?

Glycinate is magnesium bound to glycine (chelated) and is generally well tolerated; oxide is poorly absorbed; citrate can have a laxative effect.

When do people take magnesium glycinate?

Many take it in the evening as part of a wind-down routine; timing is a personal preference, not medical advice.

Is it gentle on the stomach?

The chelated form is generally better tolerated than inorganic forms for many people.

Research & references

Magnesium — Fact Sheet for Health Professionals — NIH Office of Dietary Supplements (source)
Magnesium is an essential mineral involved in muscle, nerve, and energy functions; many adults under-consume it; absorption varies by form.
Oral magnesium supplementation for insomnia in older adults: a Systematic Review & Meta-Analysis — BMC Complementary Medicine and Therapies (2021), Mah & Pitre (source)
Magnesium has been studied for sleep-related measures in older adults; evidence quality is low (cautious framing; no treatment claim made).

References are provided for general educational context. They do not imply that this product treats, cures, or prevents any disease.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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