Herbs of Gold Vitamin B1 100mg helps maintain vitamin B1 levels in the body and supports nervous system health. It assists the metabolism of protein, carbohydrates, and fat, and supports energy production. It also helps the synthesis of neurotransmitters and supports nervous system health and emotional wellbeing. Strenuous exercise and adolescent growth periods can increase thiamine requirements. This product is suitable for adults and children over 12 years, and is vegan friendly. It is free from egg, milk, peanut, soy, tree nuts, gluten, animal products, lactose, artificial flavours, and colour. Always read the label and follow the directions for use. Vitamin supplements should not replace a balanced diet. The active ingredient is thiamine hydrochloride (vitamin B1) 100mg.