VITAMIN C REQUIREMENTS Available to Purchase

Why is the Indian fruit‐eating bat like a human being? asks Caroline Austin. Because they are both incapable of synthesising vitamin C! The disability is the result of some long‐past mutation in evolution which has resulted in the loss of activity of an enzyme which catalyses the final step in the biosynthesis of vitamin C. Clearly, vitamin C must be supplied in the diet to compensate for this loss, but how much should we take? In recent years there has been a great deal of controversy on this topic