Male enhancement for size in the US today: The FDA has affirmed that stearic acid is GRAS (Generally Regarded As Safe) and can be added to foods in accordance with Good Manufacturing Practices (GMP).HARD STEEL ORIGINAL FORMULATED MALE ENHANCEMENT is produced in a GMP-certified manufacturer lab. The FDA’s Select Committee on GRAS Substances has also reported on magnesium stearate safety, concluding that, “There is no evidence in the available information on magnesium carbonate, magnesium chloride, magnesium sulfate, magnesium hydroxide, magnesium oxide, magnesium stearate that demonstrates or suggests reasonable grounds to suspect, a hazard to the public when they are used …