Why Do We Need Vitamins

Your body needs vitamins for eyesight, immunity, wound healing and growth, but can't make most of them so they must come from food.

Can Vitamins Prevent Colds?

Vitamin C won't prevent colds for most people, but it might slightly reduce how long they last.

Can Vitamins Prevent Cancer?

The science on whether vitamins prevent cancer is mixed, though eating plenty of fruit and vegetables seems more protective than taking supplements.

Do You Need More Vitamins When You Are Ill?

Your body may need different vitamin levels when you're ill, especially if medicines or poor appetite get in the way.

Q & A: Which Foods Prevent These Deficiencies?

Eating the right foods can prevent serious deficiencies like beriberi and pellagra, from wholegrains and meat to fruit and vegetables.

Vitamins for Teenagers

Teenagers need specific vitamins for growth and development, which usually come from a balanced diet, though supplements may help in some cases.

Which Foods Provide These Vitamins?

Liver, leafy greens, eggs and yeast are top sources for vitamins A and B, though vegans need to watch their B12 intake.

Vitamins for Vegans

Vegans need to pay attention to certain vitamins like B12 since animal products are off the menu, but a healthy vegan diet is totally achievable.

Vitamins for Stronger Teeth and Bones

Vitamins A, C, D and K strengthen teeth and bones at every age, from developing babies to adults.

Do Babies Need Vitamin Supplements

Breast-fed and bottle-fed babies have different vitamin needs, here's what your baby actually requires.