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Hcl (Hydrochloride)
Salts resulting from the reaction of hydrochloric acid with an organic base (mostly amines). HCL supplements are considered synthetic opposed to natural. Converting otherwise insoluble amines into their hydrochlorides is a common way to make them water- and acid-soluble. Many supplements used are prepared as hydrochlorides so that they may be quickly absorbed in the gastrointestinal tract.