Jarrow Formulas Vitamin D3 (cholecalciferol) provides the same form of vitamin D naturally produced by the skin through sunlight exposure. This science-based formula supports calcium and phosphorus absorption, bone protein production, and a healthy immune response by supplying vitamin D in its preferred, bioeffective form.

Key Features

• Vitamin D3 Cholecalciferol

• Supports Calcium Absorption

• Supports Bone Health

• Aids Osteocalcin Production

• Supports Immune Function

Best for:
Those looking to maintain healthy vitamin D levels for bone strength and immune support year-round.