Bone & Muscle

Calcium + Magnesium: Benefits, Dosage & What the Science Says

Combined calcium and magnesium formulation supporting bone mineral density, muscle contraction/relaxation balance, and nerve transmission.

Last reviewed: Strong evidence
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Decision snapshot

What matters before you buy

Evidence
Strong
Studied dose
Calcium 500–1000 mg/day (split doses); Magnesium 200–400 mg/day; ratio typically 2:1 Ca:Mg.
Quality marker
Look for a clearly disclosed form, useful dose and independent testing.
Safety check
Calcium competes with magnesium absorption - split dosing recommended; avoid excess calcium supplementation without D3+K2.

What Is Calcium + Magnesium?

Foundational mineral duo for bone, muscle, and nerve function

Evidence-Based Benefits

  • Bone mineral density support
  • Muscle contraction and relaxation balance
  • Nerve and cardiac function support

Recommended Dosage

Calcium 500–1000 mg/day (split doses); Magnesium 200–400 mg/day; ratio typically 2:1 Ca:Mg.

Safety, Side Effects & Interactions

Calcium competes with magnesium absorption - split dosing recommended; avoid excess calcium supplementation without D3+K2.

Works Well With

Research suggests Calcium + Magnesium may complement:

References

  1. Calcium and magnesium bone health outcomes - PMID:0002009

Last reviewed: April 20, 2026. For informational purposes only. See full disclaimer. 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.

AI & Developer Endpoint

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