What is a good age to start taking vitamins and supplements?

Vitamins. A good multivitamin is a good idea. It's an insurance policy for when we don't eat right, don't sleep well, or are especially stressed. Get guidance because the popular brands are typically very week and not helpful. The dose (read label and check that half or more of the ingredients are several 100 % above RDA. Dose more important than a long list. Young adult or when having symptoms.