Lamberts Vitamin B-100 Complex is a high-strength product that provides a fast boost to B vitamin intake. It is suitable for short-term supplementation, typically up to two months, after which time a B-50 complex can provide adequate levels of B vitamins. Several B vitamins contribute to the normal functioning of the immune system and psychological function, while others help reduce tiredness and fatigue and maintain normal skin. Made in the UK, this product is produced in premises that operate to stringent GMP pharmaceutical standards. It is an extra-high strength B vitamin complex, designed for one-a-day use. The tablets are taste-free and coated for ease of consumption.