Vitamin C plays a crucial role in the function of immune cells. Individuals with infections tend to have lower levels of vitamin C. However, research has not found conclusive evidence that taking ...

Fact checked by Nick Blackmer Vitamin C and vitamin D both support immune function in different ways, but neither will ...

You can safely take vitamin C and collagen supplements together. Learn the benefits, any potential interactions, and tips for effective supplementation.

Dietitians reveal the vitamin and supplement pairs that actually have greater health benefits when taken at the same time.

Winter tends to bring in colds and illness, and it’s extremely important to make sure you’re taking care of yourself and your body to stay healthy. Thankfully, there are plenty of supplements that can ...

Research suggests that vitamins like B6 and K2 might promote heart health. Not getting enough of other vitamins, like C and D, may increase your risk of heart disease. Your body needs vitamins to ...

It turns out, you can have too much of a good thing. While a huge swath of Americans are deficient in essential vitamins and minerals like potassium, calcium, and vitamin E, fewer are lacking ones ...

When it comes to vitamin C vs. vitamin E, experts explain which is better for your skin. Here, learn the benefits of each for ...

QUESTION: Hi Dr. Zac, am I being hoodwinked into buying vitamin supplements, or do they actually work? I’ve been feeling constantly tired despite getting enough sleep, and I suspect I might be low on ...

Plant-based foods deliver vitamin A through carotenoids, especially beta-carotene. Orange-hued produce such as carrots, ...

Casey Gallagher, MD, is a dermatologist and clinical professor in the Department of Dermatology at the University of Colorado Denver. Acne is a common skin condition that affects about 50 million ...