Also known as: Mg, Mg supplementation, magnesium supplement
Latest evidence update: 2026-06-10
Strongest in Sample size (95). Held back by Recency (29).
Solid mix of RCTs with some methodological gaps.
Confirmed across many independent studies with significant findings.
Tens of thousands of participants pooled across studies.
Mostly aligned, with some divergence.
Mostly pre-2020 research; updates may be needed.
Effect-size tagged on 390 of 400 claims for this supplement. Our research updates daily; remaining claims are pending re-processing.
Areas where research points to a consistent direction of effect. The strength of evidence is graded; the size of the effect is not quantified.
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Specific salts and chemical forms studied in research. Bioavailability, dose, and clinical use case differ across forms. See each form's page for form-specific evidence.
ProtocolEngine provides general health information based on published research. This is not medical advice. Consult a healthcare professional before starting any supplement or health protocol.
Helps lower blood pressure, especially in people with high baseline readings or diabetes
May improve blood sugar control and reduce metabolic syndrome risk
Improves blood vessel function in people over 50 or with overweight
Reduces migraine severity and associated pain
Does not effectively treat leg cramps, asthma, or other muscle-related conditions