Natures Aid Vitamin B Complex 100 Mega Potency provides Vitamin C alongside a 100mg B vitamin complex. B Vitamins contribute to: The reduction of tiredness and fatigue The normal functioning of the nervous system. Normal energy yielding metabolism & Normal psychological function *B vitamins are water soluable and have a natural bright yellow colour. Occassionally this can cause your urine to become naturally bright yellow. Vegetarian & Vegan. GM Free. No artificial colours or flavours. FREE FROM: Dairy, lactose, gluten, wheat, nuts, salt, soya, starch, sugar & yeast