Everyone knows it, everyone knows it: the alphabet. But have you ever heard of the ABCs of vitamins? From A to K, almost all of these 13 micronutrients are involved in the body's metabolic processes and are therefore essential for life. But when is the body adequately supplied, and what happens when there is a vitamin deficiency? Physician Dr. Carolin von Edlinger answers precisely these questions and reveals everything important about the individual vitamins, including their effects and functions in the body. For example, vitamin A supports the skin and eyesight, vitamin C strengthens the immune system, can protect against cancer, and helps build bones. The B vitamins, in turn, keep the brain and nerves healthy. Based on these scientific findings, the author compiles vitamin recommendations for a wide variety of needs. Whether it's pregnancy, athletic performance, aging, protection against infections and diseases, diabetes, high blood pressure, chronic pain, migraines, dementia, or anxiety disorders—physical and mental health can thus be optimally supported.