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doi:10.1111/cen.12755 Park SG, Hwang S, Kim JS, Park KC, Kwon Y, Kim KC

The FDA provided brief descriptions of the 3 drug product categories as follows1: Minimum recommended concentration drugs refer to products that consist of a drug-containing core enclosed with a polymeric coating to release an active pharmaceutical ingredient (API) at specified rates, patterns, or onsets through the gastrointestinal tract to produce systemic, enteric, or local action

For localized injuries, inject subcutaneously near (not into) the affected area when anatomically appropriate

Additionally, the portion of the small intestine responsible for absorbing the vitamin may be bypassed or reduced, further impacting absorption