Examine: Analysis of the scientific research on supplements and nutrition.

HMB Video Presentation: Effects of Beta-Hydroxy-Beta-Methylbutyrate on Skeletal Muscle Size and Strength Across Varying Levels of Age, Sex and Training Experience.

CSPInet: USP approval on vitamins pass of quality, strength and purity.

NutraSanus: Natural health, herbal, vitamin and nutritional supplements; non-commercial information.