The B vitamins, a water soluble group, combine to form the B Complex, which is responsible for a variety of biochemical reactions. They play an important role, either individually or in combination, in the metabolic utilisation of food fats, carbohydrates and protein and are vital to the health of the nervous system. They are also essential for healthy eyes, skin, hair and nails. HealthAid provides a comprehensive range of individual and B Complex vitamins.HealthAid Vitamin B1 (Thiamin) 9 18A vitamin essential for release of energy from carbohydrates and also important to the nervous system. Heavy drinkers and people on poorly balanced diets are often found to be lacking in thiamin. A prolonged release product supplying a regular amount of B1 throughout the day.