BioStacksBest Magnesium for Muscle
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Clinical dose: 100–400 mg
Why Magnesium for Muscle
When it comes to muscle, Magnesium is one of the most supporting nutrients to consider. Cofactor in over 300 enzymatic reactions including energy production, protein synthesis, and nervous system regulation. Magnesium glycinate is preferred for calm and sleep support with minimal GI effects, threonate (Magtein) crosses the blood-brain barrier for cognitive benefits, and citrate has a mild laxative effect useful for constipation. Oxide is cheap but poorly absorbed (~4%). In clinical studies, magnesium supports muscle and nerve function.
What dose to look for
Clinical studies typically use 100–400 mg of magnesium. Common clinical supplemental range; RDA for total intake is 310-420 mg. Supplements that fall short of this threshold are unlikely to match what clinical trials achieved.
What form to look for
Avoid magnesium oxide — low absorption (~4%). Avoid magnesium stearate — filler, not a bioavailable form. For best results, choose magnesium glycinate or magnesium citrate.
The evidence behind magnesium
Research supporting magnesium for muscle is rated as strong. Meta-analyses confirm benefits for blood pressure, sleep, and glucose; ~50% of adults may be subclinically deficient Learn more
