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missing number in the DV equation is the Reference Daily Intake (RDI) level. The RDI for protein is generally 50 grams per day. Consumers can take the number of total grams of protein in a product and divide it by this RDI for protein to determine what the “optimum” DV number should be.

For example if a product offers 25 grams of protein and the RDI is 50 grams per day then the product’s “optimum” DV will be 50%. Therefore the figure “50%” should appear on the product’s labeling. If the number is lower than 50% the consumers instantly know that it is not an optimum source of ...
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