Thiamine (B1): Essential for carbohydrate metabolism and neurological function. Riboflavin (B2): Important for energy production and skin health. Niacin (B3): Involved in DNA repair and stress responses. Pantothenic Acid (B5): Crucial for synthesizing coenzyme A, vital for fatty acid metabolism. Pyridoxine (B6): Important for amino acid metabolism and neurotransmitter synthesis. Biotin (B7): Key for fatty acid synthesis and glucose metabolism. Folate (B9): Essential for DNA synthesis and cell division, particularly in pregnant women. Cobalamin (B12): Vital for nerve function and red blood cell formation.