So much confusion surrounds the recent work on Vitamin C, particularly about the suggested dosages of widely differing magnitude, that this article offers some welcome clarification. We publish it here with the kind permission of the National Health Federation, P.O. Box 688, Monrovia, California 91016. Irwin Stone is a research scientist and author of a new book, THE HEALING FACTOR, “Vitamin C” AGAINST DISEASE, published by Grosset and Dunlap. October 1972. Pertinent references will he found in the medical bibliography in the book. ? Editor