Magnesium

Mg 🟡 Moderate

An essential mineral for muscle, nerve, and sleep; forms differ in absorption and use.

⚠ Kidney cautionSee cautions below; consult your physician for specifics.

Reviewed by Dr. Sungwoong Jung · Last reviewed Jul 16, 2026

Key benefits

Muscle & nerve relaxation

Sleep & stress

300+ enzyme cofactor

How it works

Evidence

🟢 StrongCorrects deficiency

🟡 Moderate / mixedModerate for cramps/sleep

The same nutrient can differ for "correcting deficiency" vs "general prevention."

Suggested use

Glycinate for sleep, citrate for constipation; often before bed.

A general suggestion, not a prescription.

Cautions & interactions

Caution with kidney disease; blocks some antibiotics.

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Korea vs USA

🇰🇷 Korea

oxide/citrate common

🇺🇸 USA

glycinate/threonate popular

References

NIH ODS — Magnesium ↗

Grades/refs re-verified at each update (draft).

Calcium Calcium The key mineral for bones and teeth; especially important for postmenopausal women. 🟢 Strong Bone·Joint Melatonin Melatonin A hormone that regulates the sleep–wake rhythm; evidence for jet lag and sleep onset. 🟡 Moderate Sleep Vitamin D Vitamin D A fat-soluble vitamin central to bone and immune health; deficiency is common in people who stay indoors. 🟢 Strong Foundational·Immune

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🇰🇷 Buy in Korea 🇺🇸 Buy in USA

Disclaimer — This content is for general information and suggestion only and does not replace medical diagnosis or treatment. Consult a doctor or pharmacist if you have a condition or take medication.