Vitamins are needed in small amounts, yet they attract big claims. This category covers what they do, where they come from in food, and when supplementation may be worth discussing. It is small for now, with one guide, so we are not pretending to cover every vitamin, and it is meant for readers deciding whether a particular vitamin deserves attention.
Where to start
- Do you need to take vitamin D? Looks at why vitamin D gets so much attention and how to think about whether you need more.
If you are weighing pills against food more broadly, the supplements category covers evidence and common use cases.