NutraBio B-100, B Vitamin Complex Immune System and Nervous System Support, Healthy Hair, Skin, Nails NutraBio B-100 is suitable for both men and women. Vitamin benefits: - Vitamin B1 (thiamine) may help combat the negative effects of stress while supporting healthy energy levels, nervous system, and muscle function. - Vitamin B1 plays an important part in the breakdown of carbohydrates into glucose. - Vitamin B2 (riboflavin) is a precursor to coenzymes involved in the growth and repair of skin and tissues lining the gastrointestinal tract, as well as the synthesis of amino acids. - Vitamin B3 (niacinamide) is a B vitamin that plays many roles, including promoting cardiovascular, brain, digestive and skin health. - Niacin is also involved in the breakdown of nutrients from food. - Niacin can help remove triglycerides from tissues and the bloodstream. - Vitamin B5 (pantothenic acid) is vital for growth, reproduction, and normal physiological functions, such as the production of energy from fats. - B5 is responsible for activating the adrenal glands, which help the body to combat stress. - Vitamin B6 (pyridoxine HCl) is needed for more than 100 enzymes involved in protein metabolism. The nervous and immune systems need vitamin B6 to function efficiently. When caloric intake is low, vitamin B6 helps convert stored carbohydrate to glucose to maintain normal blood sugar levels. - Vitamin B12 (methylcobalamin) helps maintain healthy nerve cells and red blood cells. B12 protects brain cells and nerve tissue and promotes better sleep. The methylated form boasts improved bioavailability over cyanocobalamin. NutraBio. Made in the USA.