Discover the best vitamins for hair growth, as reviewed by registered dietitians. Here’s how brands like Nutrafol and ...

Discover the best dietitian-recommended vitamin C supplements ideal for boosting immunity, supporting skin health, and ...

Emergen-C may help reduce the length of a cold when taken in large doses. Vitamin C supports the immune system and helps fight off bacteria and viruses. Some nutrients in Emergen-C, like zinc and B ...

Jillian Kubala, MS, is a registered dietitian based in Westhampton, NY. Jillian uses a unique and personalized approach to help her clients achieve optimal wellness through nutrition and lifestyle ...

Vitamin C (ascorbic acid) is widely promoted for supporting collagen production and skin health, yet little is known about how oral intake changes dermal or epidermal ascorbate concentrations. A new ...

High doses of vitamin C, especially above the tolerable upper limit of 2,000 mg per day, can lead to serious side effects such as kidney stones, gastrointestinal issues, and complications in people ...

Jillian Kubala, MS, is a registered dietitian based in Westhampton, NY. Jillian uses a unique and personalized approach to help her clients achieve optimal wellness through nutrition and lifestyle ...

It's officially cold and flu season, which means our immune systems will be working overtime. You've probably heard that now is a good time to load up on vitamin C, which supports immune function so ...

When respiratory virus season hits, it’s fair to want to do everything you can to supercharge your immune system. But while supplements come up a lot, it’s hard to know which to choose. When it comes ...

Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers breaking ...

Gamunex-C (immune globulin [human]) can cause mild to serious side effects. More common side effects include headache. If Gamunex-C’s side effects become bothersome for you or your child, ask the ...