Vitamin B7, also known as biotin, was discovered in the mid-20th century. In the 1940s, a substance was identified in yeast that was essential for the growth of certain bacteria. This substance was later named biotin and was recognized as an essential nutrient for human health.
Biotin is well understood for its role in carbohydrate and fat metabolism and as a cofactor for various enzymes involved in these processes. It is widely used in the prevention and treatment of biotin deficiency and is considered an important component of a balanced diet. The discovery of biotin and its importance in human nutrition was a significant milestone in the field of nutrition science.