Vitamin D2 supplements may negatively impact circulating levels of vitamin D3 and negate the latter's potential benefits, ...

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

Medically reviewed by Lindsay Cook, PharmD High blood pressure (hypertension) is a condition that affects more than one ...

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 previously unknown effect of taking these supplements. This study suggests that ...

Medically reviewed by Patricia Mikula, PharmD Key Takeaways Vitamin E and beta carotene supplements are ineffective for ...

From sharper vision to glowing skin, vitamin A is the unsung hero of your health. Dive into its benefits, sources and why ...

While the FDA doesn't require companies to list the expiration date of vitamins and supplements, they do, in fact, expire.

Trying to choose the best daily vitamin for your health? You’re not alone. Millions of Americans take vitamins every day, but ...

Milk is another drink that is often fortified with vitamin D to help us get this valuable nutrient. Like orange juice, milk is not a natural source of vitamin D, but the FDA allows manufacturers to ...

Vitamin A plays a crucial role in maintaining healthy hair. It promotes sebum production for scalp moisture and supports hair ...