Zinc

My question concerns the use of zinc and vitamin C to enhance a man's fertility. My husband and I are currently trying to have a baby and he was advised to supplement his diet with vitamin C and zinc. Is there any scientific merit to this advice and if so, how much of each...

First, what is the difference between chelated zinc and Zinc Picolinate? Are these different manufacturing processes for the tablets? Is one better than the other? Am I in for trouble taking that much zinc? Finally, what could cause a zinc deficiency and possible effects of a zinc deficiency? Thanks much. Chelated minerals are bound to a compound and...