Doctor's Best Pureway C High Absorption Vitamin C 500mg (60 tablets)The C that is clinically tested to supply a special form of the essential nutrient Vitamin C for optimal benefits. Vitamin C is a water soluble vitamin that has many important functions in the body including anti oxidant activity, support of normal and healthy collagen, synthesis of neurotransmitters such as serotonin, carnitine production (which facilitates fat burning), and the support of normal and healthy immune function. PUREWAY C is a