This issue of the "Nutrition, Health, and Longevity" series, analyzes the importance of vitamins for our health, their functions, the daily recommended intake, problems in case of deficiency or excessive dosage, in what food they are contained, and how to consume these foods (cooked or raw). The book examines vitamin A, vitamins of group B and specifically vitamin B6, B9 (folate), B12, as well as vitamins C, D, E, H, K, PP.