degenerative disease - diseases such as cancer, heart disease, arthritis and osteoperosis which involve deterioration of cells and tissue.
antioxidant - a substance that protects the body's cells from the damaging effects of oxidation and free radicals
free radical - an unstable atom or group of atoms which cause a chain reaction of oxidative damage that harms healthy cells in the body causing degenerative disease
Good Manufacturing Practice [GMP] - a production and testing practice used worldwide that helps ensure the quality of a product. Nutritional supplements are requires to meet GMP for foods but USANA also voluntarily adheres to pharmaceutical GMP to ensure that its products are of a pharmaceutical standard.
Physicians Desk Reference - the PDR is used by Doctors and contains only pharmaceutical grade products.
potency - what is on the label is in the product
purity - a substance is pure if there no adulterants or contaminants present in it
bioavailability - ablility to be absorbed by the cell. This requires substances to be in the right amounts and combinations.
disintegration/dissolution - indicates how fast and to what degree a supplement is broken down by the body/dissolves so that the nutrients can be absorbed