How much vitamin C you need per day depends on your age, gender, whether or not you're currently pregnant, and if you smoke.

However, do you know the full list of vitamins you need to be healthy? Find out below and learn the vitamin-rich foods you should be adding to your diet. Next, learn everything you need to know ...

That’s the persuasive power of vitamins. Do we really need vitamins? We think we do, but Dr Swati Prasad says otherwise. “A healthy person with a balanced diet does not need vitamin supplements.