Vitamin D vs Creatine

for bone health

Stronger evidence: Vitamin D

Stronger effect: Vitamin D

Safety: Vitamin D carries a minor interaction; Creatine has none recorded.

For bone health, Vitamin D has the stronger evidence grade.

grade B moderate certainty

supports bone density and reduces fracture risk with calcium, mainly in deficiency

800–2000 IU/day, older / deficient adults

grade C low certainty

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

sources: PMID:20000104 · PMID:33800439