 ORAC
The ORAC assay evaluates "free radical scavenging activity against the peroxyl radical" or the antioxidant capacity of foods and supplements. It is important to critically examine ORAC values because although ORAC does provide helpful information when comparing the antioxidants in various products, companies intentionally may mislead consumers.
For example, a red grape will have a lower ORAC value than the red grape powder not because of nutritional differences, but because of the difference in moisture. With this distinction in mind, consumers must note that a liquid dietary supplement's ORAC value should not be compared to a powder dietary supplement's ORAC value. Likewise, the value for food is measured per 100 grams while the value for supplements is often measured per gram. We encourage consumers to pay attention to the measurements of the ORAC value as well as the type of supplement measured in order to reach more accurate results of the antioxidant level.
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