While vitamin C is essential for health, high doses can cause serious side effects. Learn the risks and how to use it safely, ...

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

Researchers have discovered that increasing dietary vitamin C can measurably improve skin structure and renewal, revealing a potent link between what we eat and how our skin regenerates. A new study ...

A new study reveals that vitamin C from fresh produce—not supplements—may help protect people with type 2 diabetes from heart disease, reshaping how we think about diet and chronic illness prevention.

Kristie Reed, PharmD, oversees emergency, general medical, surgical, psychiatric care, and oncology medication as the pharmacy director of a community hospital. Dr. Reed specializes in IV medications.