Is the vitamin A the "real" Vitamin A and not beta carotene?
I begin to believe that those with intestinal problems might not properly convert the beta carotene to vitamin A.
Vitamin A is rare in our diets, since it is only present mainy in livers, dairy fat and eggs, liver being the only one prnsenting a high concentration.
In my research about autism, I've found that many of them are depleted in vitamin A, and cod liver oil is a great supplement for them. Vitamin A deficiency seems to be related to infections.
I've also heard of vitamin A helping a dyslexic person, the dyslexia being in fact a consequence of occular problems, at least for that person.
Also, I've learned that antioxidants greatly help occular problem such as macular degeneration and that kind of thing.
By the way, you don't take that much supplements ! :)
Supplements should be taken in combination! Most of them have synergetic effects, mainly antioxidants. Some people believes in the one magic vitamin pill that will have a magic effect...