B-group vitamins are each chemically distinct vitamins, but they are grouped together as they have some similar characteristics and can often be found in similar sources.Vitamin B Complex is a mixture of B1, B2, B3, B5, B6, B7, B9 and B12. These vitamins are all water soluble which means that  your body does not store them and they need to be replenished daily.Each B vitamin delivers specific health benefits, particularly related to supporting normal metabolism - and therefore energy levels. We have included Vitamin B Complex in each of our products  due to the need to consume these daily, paricularly Vitamin B12 which can be particularly difficult for vegetarians and vegans to source from their diets.The body expels any excess B Vitamins in urine giving it a yellower appearance.