Essential Vitamins A-K: What You Need to Know
Vitamins are essential micronutrients that play a critical role in maintaining health and supporting normal physiological functions. Unlike carbohydrates, proteins, and fats—which are macronutrients used for energy—vitamins are required in small amounts but are vital for a range of metabolic and cellular processes. The human body cannot synthesize most vitamins (or cannot do so in sufficient quantities), making it necessary to obtain them through diet or, in some cases, supplementation. There are 13 essential vitamins recognized by health authorities, each serving a distinct purpose in the body. These include vitamins A, C, D, E, K, and the eight B vitamins
