DEAR MAYO CLINIC: Growing up, I was told to drink orange juice when I had a cold because “vitamin C is the cure.” Does vitamin C actually help us when we’re sick? What are its benefits? ANSWER: ...

DEAR MAYO CLINIC: I've heard that vitamin E can be harmful to diabetics with heart problems. Can you tell me more about this? The scientific evidence has been mixed regarding vitamin E's effect on a ...

Vitamin D is a nutrient your body needs to keep your bones healthy and strong. It also has properties that support your immune system and neuromuscular health. Dr. Jesse Bracamonte, a Mayo Clinic ...

“Overall, though, vitamin C taken in extra doses to prevent common colds hasn’t proven true,” says Dr. Bracamonte. Dr. Jesse Bracamonte, a Mayo Clinic family physician, explains more about the health ...

DEAR MAYO CLINIC: Growing up, I was told to drink orange juice when I had a cold because "vitamin C is the cure." Does vitamin C actually help us when we're sick? What are its benefits? ANSWER: ...