Many of us take vitamin supplements, especially through the winter months when we're not getting much sunlight in the UK. But ...

Uses and Top Picks for Men - According to research, over 70% of Indians eat nutritionally deficient breakfasts and only 3% ...

plus taking vitamin supplements, you don't need all that," says Rosenbloom. The upper tolerable limit for adults is 10,000 IU for vitamin A. You get it from animal foods, fish, and dairy products.