Researchers analyzed 11 trials with 655 adults and discovered that taking vitamin D2 supplements decreases the body's vitamin ...

While the recommended daily intake of vitamin D is 600 international units (IU) a day, you may need to take up to 3000 IU ...

Doctors recommend you get 65 to 90mg of vitamin C per day. Taking over 2,000 mg of vitamin C supplements can result in ...

Wheat germ oil has the most vitamin E, followed by sunflower seeds. Hazelnut, sunflower, almond, and cottonseed oils are rich ...

Taking vitamin D2 may lower vitamin D3 levels, suggesting the two forms aren’t interchangeable. Vitamin D3 appears more ...

“However, we discovered that vitamin D2 supplements can actually decrease levels of vitamin D3 in the body, which is a ...

The recommended daily amount of vitamin C for adults is 90 mg. Overloading yourself with vitamin C is unlikely, since our ...

Find out how vitamin K1 and K2 contribute to bone health and how to include them in your diet or supplement routine.

Immunologist Daniel Davis wants to eradicate long-held myths and replace them with wonder at the complexity of the body’s ...

We've assessed vitamin D supplements from brands including BetterYou, Boots, Holland & Barrett, Vitabiotics and more to ...

A group of scientists in Japan have now created a new version of vitamin K that could help the brain regenerate lost neurons.