Experts recommend that a few well-timed supplements may support immune function during the holiday season, when stress, ...

Vitamin C is vital to immune function and the maintenance of bone, skin, teeth, and joints. Learn more about its wide range of health benefits.

Vitamin D helps your body absorb calcium, supports bone health, and plays a role in immunity, muscle function, and more. While most people can get enough from sunlight, food, or supplements, some may ...