L-Hydroxyproline wani amino acid ne wanda ba shi da mahimmanci wanda aka samo a yayin gyaran furotin bayan fassarar ta hanyar hydroxylation na proline amino acid ta hanyar enzyme prolyl hydroxylase wanda ke bu?atar bitamin C a matsayin ha?in gwiwa. Hydroxyproline shine babban ?angaren furotin collagen kuma yana taka muhimmiyar rawa a cikin kwanciyar hankali na helix na collagen sau uku. Ana iya amfani dashi azaman mai nuna alama don ?ayyade adadin collagen. Ha?aka matakan hydroxyproline a cikin fitsari da/ko ruwan magani galibi suna da ala?a da lalatawar nama mai ha?awa. Rashin bitamin C yana rage jujjuyawar proline zuwa hydroxyproline, wanda ke haifar da raguwar kwanciyar hankali na collagen.L-Ornithine shine amino acid wanda ke taka muhimmiyar rawa a cikin sake zagayowar urea. Yana taka muhimmiyar rawa wajen fitar da nitrogen ammonia a jiki. Yana da sunaye daban-daban da siffofi kamar L-ornithine da aspartate ornithine (OA).