Dr. Ronald Roth's Research Library on Cellular Nutrition and Health Disorders
The above graph illustrates what percentage of the population will enjoy optimal benefits from supplementing extra Vitamin C - not counting dietary sources of Vitamin C. These amounts are based on average, cellular requirements of Vitamin C, which go beyond the recommended deficiency-preventive RDA DRI minimum intake. Instead, they take into account the synergistic and antagonistic effect of all other nutrients that interact with Vitamin C as well, to encompass a much wider scope of disease prevention... Full Text