high strength vitamin c, contributes to the normal function of the immune system*, contributes to normal function of cartilage, skin & gums*our rutin & vitamin c 500mg tablets contain natural bioflavonoids rutin (50mg) & hesperidin (30mg). plus 500mg of vitamin c in each tablet.the rutin we use is extracted from buckwheat & hesperidin from citrus fruit skins. according to research, these two bioflavonoids are often found in association with vitamin c.vitamin c is well known for supporting general health & wellbeing. it is particularly popular during the winter season. vitamin c is an important nutrient for supporting the immune system. it is also helpful in maintaining energy levels, & normal psychological function.vitamin c is an antioxidant & can be found in tomatoes, kiwi fruits, oranges, & broccoli.what does vitamin c contribute to?, normal collagen formation; gums, skin, bones, blood vessels, normal function of cartilage (the tough tissue lining joints), normal function of the immune system, protection of cells from oxidative stress, normal psychological function, the reduction of tiredness & fatigue we've chosen to deliver our rutin & vitamin c 500mg as tablets not capsules since this format can accommodate a higher dose of the active ingredients.still unsure if our rutin & vitamin c 500mg tablets are for you? our team of expert nutrition advisors//aadvice//class=f-brand!important are on hand to help you make the right choice from our extensive range of vitamin c products. check out our vitamin c as ascorbic acid//b 402//class=f-brand!important, a fast dissolving soluble powder, ideal for those who have difficulty swallowing tablets.*from vitamin c