Medically reviewed by Jamie Johnson, RDN Mushrooms, when grown under ultraviolet (UV) light, can be a good source of vitamin ...

A surprising study suggests vitamin D2 supplements may reduce the body’s levels of vitamin D3 — the more effective form of ...

Calcium, vitamin D, or combined supplements offer little to no clinically meaningful benefit for fracture and fall prevention ...

Taking a high dose of vitamin D3 during pregnancy is linked to better cognitive health in the offspring, a new study has ...

Calcium and vitamin D work best together because vitamin D helps the body absorb calcium for stronger bones. Many adults can ...

Vitamin D deficiency is associated with more moderate to severe pain following breast cancer surgery and an increased ...

Low vitamin D levels could be quietly making breast cancer surgery recovery far more painful. In a new study, patients ...

A new study suggests that vitamin D may help some people with prediabetes avoid developing type 2 diabetes. Researchers believe that a person’s genes could play an important role in deciding whether ...

Calcium and vitamin D supplements do nothing to prevent falls and fractures in older people, a review has concluded. On the ...

Vitamin D supplementation may help rebalance immune responses to gut bacteria in people with IBD, though larger controlled ...

Maintaining healthy vitamin D levels can help you get optimal sleep. Taking it at certain times may align better with your ...