A possible link between excessive vitamin C intake (as a supplement) and changes in the vitreous gel of the eye. Also implicated are high levels of zinc and vanadium intake. I suspect that the potential for damage is related to the dose and the length of time used, and also whether zinc and vitamin C (as ascorbic acid) are used together.
When used in therapeutic doses, many supplements can act in the same way as mainstream drugs in that they override or affect the balance of your body’s natural systems, for example by suppressing inflammatory cytokines or enhancing the free radical production of neutrophils. However, just like drugs, this process can have side effects. It’s interesting to note that many supplement manufacturers are now owned by large drug companies. Read more . . .