For patients with metastatic colorectal cancer, adding a higher dose proves just as effective as the standard dose of vitamin D3, despite one exception. In patients with metastatic (spreading) ...

Medically reviewed by Patricia Mikula, PharmD Key Takeaways Most adults can safely take vitamin D supplements every ...

A multicenter, double-blind, placebo-controlled study conducted over 2 years enrolled 303 patients ages 18 to 55 years with recent CIS suggestive of MS. Disease activity was observed in a smaller ...

Taking too much vitamin D can cause serious side effects. Learn the signs, why you might feel weird after taking it, and when to talk to your healthcare provider.

High-dose vitamin D reduced disease activity in early MS and CIS compared with placebo. Patients taking vitamin D had a longer time to disease activity: 432 days versus 224 days. No severe adverse ...

Giving adolescents living with HIV high-dose Vitamin D and calcium supplements can help improve their bone density and reduce ...

While celebrated for bone health and mood, excessive Vitamin D, particularly from supplements, can harm kidneys. This ...

Discover the most effective ways to boost your vitamin D levels and prevent vitamin D deficiency, including safe sun exposure ...

Previous research has shown that vitamin D deficiency can increase the risk of multiple sclerosis (MS) — and a new study suggests that supplementing it in high doses could help reduce symptoms. The ...

Vitamin D is vital for immunity, brain health, strong bones, and overall well-being, but taking in too much from supplements ...

Doubling the vitamin D dose for premature, very low birth weight infants can safely give their tiny bones a big advantage, offering hope for a stronger start in life. Study: Effects of high-dose ...

Low levels of vitamin D seem to raise your risk of heart attack but scientists are still figuring out why—and whether ...