Pure Encapsulations
Magnesium Glycinate
A clearly labeled magnesium dose in an easy-to-use capsule.
Each capsule provides 120 mg of elemental magnesium as magnesium glycinate. The 90-capsule bottle offers a simple way to add this magnesium form to your routine.
- 120 mg
Elemental magnesium per capsule - Glycinate form
Identified on the label - 90 capsules
One capsule per serving - Vegetarian capsule
Cellulose and water
$27.99 · 90 capsules
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Compare the magnesium amount that matters
120 mg elemental magnesium
The Supplement Facts panel lists 120 mg of magnesium per capsule, as magnesium glycinate.
Simple ingredient list
Magnesium glycinate, vegetarian capsule (cellulose, water), and ascorbyl palmitate. No melatonin is listed.
Magnesium glycinate for sleep
A four-week study found a modest improvement in self-reported insomnia symptoms among adults taking magnesium bisglycinate. The study tested a different product; it does not establish that this specific product improves sleep.
This formula provides magnesium glycinate in a capsule. Review the serving size and total magnesium from your supplements when deciding whether it fits your routine.
Questions before you buy
How much magnesium is in each capsule?
Each capsule provides 120 mg of elemental magnesium as magnesium glycinate.
How many capsules do I take?
The listed directions are one to four capsules daily with food. Follow the product label and your clinician’s guidance for your individual needs.
Can I take it with medication?
Magnesium can interfere with absorption of some medicines, including certain antibiotics and osteoporosis medicines. Ask your pharmacist whether you need to separate doses.
Can I take magnesium if I have kidney disease?
Check with your kidney-care clinician before using a magnesium supplement.
Will it cause diarrhea?
Magnesium supplements can cause digestive effects such as diarrhea, nausea, or cramping. Amount and individual tolerance matter.
Does it contain magnesium oxide or melatonin?
The listed magnesium source is magnesium glycinate. Magnesium oxide and melatonin do not appear in the listed ingredients.
Can I take it while pregnant or breastfeeding?
The manufacturer advises consulting a health professional before use if pregnant or lactating.
What are the ingredients?
Per capsule: magnesium, 120 mg, as magnesium glycinate. Other ingredients: vegetarian capsule (cellulose, water) and ascorbyl palmitate.
Choose Magnesium Glycinate
Pure Encapsulations · 90 capsules · $27.99
Buy on Fullscript →Fullscript offers up to 25% off at checkout.
Product information and references
- Fullscript. Magnesium Glycinate, 120 mg, Pure Encapsulations. Product details .
- NIH Office of Dietary Supplements. Magnesium: Fact Sheet for Health Professionals. Magnesium information .
- Schuster J, Cycelskij I, Lopresti A, Hahn A. Magnesium bisglycinate supplementation in healthy adults reporting poor sleep: a randomized, placebo-controlled trial. Nat Sci Sleep. 2025;17:2027-2040. Read the study .
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.