High-dose oral cholecalciferol (vitamin D3) supplementation significantly reduced disease activity in patients with clinically isolated syndrome (CIS) suggestive of multiple sclerosis (MS) in the ...

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 ...

Vitamin D might help people with heart disease avoid a heart attack, if it's provided in a dose tailored to you by a doctor, a new study says. Folks provided vitamin D reduced their risk by more than ...

Tailoring vitamin D3 doses according to patient needs following a heart attack reduces the risk of a second heart attack by 50%. The corresponding study was presented at the 2025 American Heart ...

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

This vitamin plays a crucial role in maintaining overall health. But that doesn’t mean you need to take a supplement.

When it comes to issues of vitamin D in chronic kidney disease (CKD), core certainties include that most patients with CKD have dysregulated 25-hydroxy vitamin D (25[OH]D) and nutritional ...

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) ...

New research breaks it down.

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 ...