Actually “taking a break” or “cycling” supplements is quite common in the bodybuilding field and those that take hgh supplements. You’d be surprised how knowledgeable bodybuilders are about nutrition and supplements.

Basically, it’s okay to take most vitamins everyday (although I generally skip a day here and there), but when you are talking about hormones and some of the amino acids, you should cycle them for best results.

There are several good articles about it. Here is one I think answers it the best:

http://www.physicianformulas.com/store/scripts/newsletterpage.asp

GiGi