Women who might become pregnant should be especially cautious with vitamin A supplements or avoid them entirely .

Vitamin D dosage recommendations can vary depending on several factors, including your age, skin color, medical history, and where you live. Vitamin D is commonly known as the “sunshine vitamin ...

The ideal dose of vitamin B12 varies based on your sex, age, and reasons for taking it. This article examines the scientific evidence behind recommended dosages for B12 for different people and uses.

Taking large doses of vitamin D supplements is usually what causes the condition. Foods with vitamin D have small amounts of it, so it’s very unlikely that you’d get too much from your diet.

Using significantly higher doses of vitamin D than recommended for five years did not affect the incidence of type 2 diabetes in elderly men and women, according to a new study from the University ...

Researchers at the University of Iowa found that adding high-dose IV vitamin C to chemotherapy helped increase survival in pancreatic cancer patients. Study author Dr. Cullen and oncologists discuss.

BARCELONA, Spain — The addition of high-dose vitamin D supplementation to standard chemotherapy plus bevacizumab did not result in a significant progression-free survival benefit in patients ...

It is common for people over the age of 65 to have a vitamin D deficiency. Read on to learn why that may be, how to supplement vitamin D, and more.

High-Dose Vitamin D May Shift Calories From Fat to Muscle, Reveals Study – Here's What to Know A new insight into how your body utilises and stores calories has emerged, and it could be good ...

Source Reference: Thouvenot E, et al "High-dose vitamin D in clinically isolated syndrome typical of multiple sclerosis: the D-Lay MS randomized clinical trial" JAMA 2025; DOI: 10.1001/jama.2025.1604.