Biotin’s role in energy production is perhaps its most important: Biotin is considered a coenzyme for carboxylases1, which are the enzymes that assist in metabolizing fats, carbohydrates, and proteins, turning these macronutrients into your body’s fuel. The enzymes also aid in processes such as gluconeogenesis2, insulin release3, fatty acid synthesis4, and the use of branched-chain amino acids to produce neurotransmitters5. Ingredients