Dietitians and an internal medicine doctor explain the importance of vitamin C, if getting extra has any benefits, and if ...

Vitamin C and zinc are common supplements for immune health, but do they do anything? Here's what doctors say.

Demi Moore’s makeup artist Rokael Lizama spoke exclusively with InStyle about her skin care routine. She was prepped for the red carpet with Dr. Althea’s Gentle Vitamin C Serum. It helped enhance her ...