One illness has been reported to date
Eric Topol of Scripps Research Translational Institute was more direct: "These peptides have no data to support their safety and efficacy." The clinical proponents argue that the FDA's safety concerns immunogenicity risk, impurity risk, organ toxicity are theoretically valid but speculative in practice
Instead, gently swirl or roll the vial between your hands until the powder is fully dissolved
Find out what a recent study found in the Memory and cognition section of our Dark Chocolates, Cocoa & Cacao Powders, Nibs, and Supplements Review, which includes our Top Picks among cocoa powders and dark chocolates
The research doesn't suggest harm from longer cycles, but periodic breaks are a reasonable precaution given limited long-term human data
Image: Christoph Burgstedt/Science Photo Library/Getty Images/Getty Images About the Author Howard E