Magnesium

Short Answer

Magnesium supports normal muscle and nerve function, energy production, and bone health. A supplement can help fill an intake gap, but it is not a guaranteed solution for insomnia, cramps, or fatigue.

Benefits

• Helps muscles and nerves function normally.
• Contributes to energy metabolism and normal bone structure.
• Can supplement an eating pattern that provides too little magnesium.

How to Use

Read the elemental magnesium amount per serving, not just the weight of the magnesium compound. Compare your diet, multivitamin, antacids, and other supplements before choosing a serving. Follow the label; taking it with food may be more comfortable.

Typical Dose

Adult recommended total intake is generally 310–320 mg daily for women and 400–420 mg for men. The adult upper limit from supplements and magnesium-containing medicines is 350 mg daily unless a clinician directs otherwise; magnesium naturally present in food does not count toward that limit.

Cautions

• Supplemental magnesium can cause diarrhea, nausea, or cramping. Kidney disease increases the risk of magnesium accumulation; seek medical advice before use.
• Magnesium can reduce absorption of certain antibiotics and osteoporosis medicines. Ask a pharmacist how far apart to take them.

Choosing a Formula

Glycinate, citrate, and other forms supply magnesium, but the form name alone does not tell you the elemental dose or guarantee a sleep benefit. For the two glycinate examples below, compare the actual Supplement Facts and serving size rather than assuming the same number of capsules or tablets delivers the same amount.

Related Products

• Pure Encapsulations Magnesium (Glycinate)
• Metagenics Mag Glycinate

Related Ingredients

vitamin-d3 · calcium · multivitamins

Frequently Asked Questions

Is 400 mg of magnesium a standard supplement dose?

No. Total dietary needs and a supplemental dose are different. A 400 mg supplement exceeds the adult supplemental upper limit unless a clinician recommends it.

Is magnesium glycinate proven to fix sleep problems?

No. Do not choose it on a promise of better sleep alone; persistent sleep problems deserve assessment.

Can I take magnesium with calcium and vitamin D3?

Some products already combine them. Add up each nutrient across products before adding another supplement.

Should everyone take magnesium?

No. Start by considering food intake and whether there is an identified need. More is not automatically better.

References

1. Magnesium — Fact Sheet for Health Professionals. NIH Office of Dietary Supplements.
2. Pure Encapsulations Magnesium (Glycinate) — BeautifiedYou product description and label information.
3. Metagenics Mag Glycinate — BeautifiedYou product description and label information.

This page provides general education. Ask a qualified healthcare professional for advice about your own supplement or skincare needs.