pure grade vitamin b2, made in the uk, the grade used in clinical nutrition products, many times stronger than most high street multis,involved in many metabolic processes, including the release of energy from foodthis is a high strength supplement of vitamin b2, which is also known as riboflavin. we obtain it from our diet from foods such as eggs, milk, cheese, beef and wholegrain cereals. official data tells us that 22% of women and 12% of men don\'t get even the nrv level (nutrient reference value) from their diets.vitamin b2 is involved in many metabolic processes including the release of energy from food and the production of thyroid hormone. it is also involved in the repair and maintenance of soft tissue and plays a part in the production of red blood cells.supplements of this strength do not need to be taken for more than 3-4 months, after which any one of our multis for adults will provided sufficient vitamin b2. suitable for vegetarians and vegans.