Vitamin D is essential for bone and immune health, but too much can be dangerous. Experts warn that excess supplementation ...

When humans need more Vitamin B12—a nutrient that makes healthy red blood cells and turns food into energy—we can get it by ...

Taking vitamin D supplements to protect your bones isn't necessary if you are a healthy adult, according to a new study. The ...

We researched and tested dozens of supplements, paying close attention to ingredient quality, flavor, value, and how well ...

Which? has found products labelled as injectable vitamins being illegally offered for sale on Etsy - with some orders even including free erectile dysfunction pills.

It was shockingly easy to buy injectable supplements, and the unlabelled 'male enhancement' freebies were the final straw ...

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.

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

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

Learn the best time to take vitamin K2, why it absorbs better with fat, and how it supports bone and heart health when paired with vitamin D.

Skip the supplements this winter Read ahead to know the top 5 vitamin D-rich foods that help build the immune system and ...

This winter, medical experts guide you through the latest diagnostic standards, the non-deficiency causes of fatigue, and the practical steps you can take ...