Calcium vs Creatine

for bone health

Stronger evidence: Calcium

Stronger effect: Calcium

Safety: No notable interactions recorded for either.

For bone health, Calcium has the stronger evidence grade.

grade B moderate certainty

modestly reduces fracture risk when combined with vitamin D, mainly in deficient/institutionalized populations

1000–1200 mg/day (with vitamin D), older adults

grade C low certainty

Favorable effects on bone in post-menopausal females when creatine is combined with resistance training.

sources: PMID:10000011 · PMID:33800439