define pharmaceutical grade
Pharmaceutical Grade: What It Is & How It Benefits Me What does pharmaceutical grade mean? Pharamaceutical grade supplements are produced in a manner to obtain the purest form of the nutrient and ensure maximum absorption. Due to the addition of various other substances, no product is 100% pure. Pharmaceutical Grade products must excede 99% purity (natural sources) and contain no binders, fillers, excipients, dyes, or unknown substances. Fewer than 3% of the products on the market are pharmaceutical grade.