These tablets provide the highest level of vitamin c possible in a tablet. The tablets are specially formulated to release the vitamin c gradually over 6-8 hours after swallowing which means that the absorption of vitamin c into the bloodstream also occurs gradually. This is believed to create a more stable level of vitamin c in the blood for a longer period. Lamberts® time release vitamin c 1500mg tablets also contain a relevant level of bioflavonoids the natural compounds that are often associated to vitamin c in fruits and vegetables. Vitamin c contributes to normal collagen formation for the regular function of cartilage the tough tissue that lines the surfaces of joints. Vitamin c also contributes to the normal function of the immune system and to the protection of cells from oxidative stress caused by ‘free radicals’ daily intake: 1 to 2 tablets lamberts quantity – 120 tablets time release vitamin c 1500mg.