We use superior science to make smarter formulas like Jarrow Formulas Vitamin D3 5000 IU. It provides cholecalciferol, which is the form produced by the (human) skin in response to UVB exposure (sunlight), and may also improve Vitamin D status better than equivalent amounts of ergocalciferol. Vitamin D3 is converted to calcitriol in the body, which enhances dietary calcium and phosphorous absorption, supports production of osteocalcin (an important structural protein in bone), and supports a healthy immune response.

Provides Cholecalciferol: Vitamin D3 provides cholecalciferol, which is the form produced by the (human) skin in response to UVB exposure (sunlight), and may also improve vitamin D status better than equivalent amounts of ergocalciferol
Immune and Bone Support: Vitamin D3 is converted to calcitriol in the body, which enhances dietary calcium and phosphorous absorption, supports production of osteocalcin (an important structural protein in bone) and supports a healthy immune response
Convenient Softgels – Each softgel delivers 5000 IU of vitamin D. Adults take 1 softgel per day; or every other day; with a fat-containing meal; or as directed by your qualified healthcare professional.
Superior Science, Smarter Formulas – Informed by strong scientific research, Jarrow Formulas products are carefully crafted to ensure you get the benefit of each and every vitamin, mineral and supplement.