A study reported in the Journal of the American Geriatrics Society, showed that enhanced nutritional supplements containing antioxidants, minerals and other nutrients can boost immune function in the most vulnerable elderly population. In comparing the effects of this supplement with a standard supplement, Ensure Plus, it was evident that seeking out the best supplements pays off in disease fighting efficiency. Specifically in this study, the group administered the enhanced supplement had nearly twice the probability of avoiding the flu, compared to the group given a standard supplement.

Superior ingredients is one reason why Best Health Secrets recommends the supplements of Xtend-Life Natural Products over the cheaper department store multi-vitamins varieties. Other reasons include quality control, advanced delivery and absorption technology and great service.