Most of us have heard of zinc in passing comments. Some TeeVee commercials tout the virtues of it in the diet. Actually, it is an essential trace element, and part of some coenzyme systems, and so is essential for health. Interestingly, it is more important for men than for women because the prostate gland needs lots of zinc to produce semen and to maintain health.
That does not mean that women do not need zinc, just that they do not lose lots of it in seminal fluid. The requirements for zinc in the metabolism is the same betwixt the sexes, but, as females lose iron during menstruation, men lose it during ejaculation. Please follow, and I promise not to be so graphic for a while.