Amino acids waxay u adeegaan sida chelators dabiiciga ah, oo ku xidhan macdanta muhiimka ah sida birta, zinc, iyo manganese, waxayna fududeeyaan qaadashada xididada dhirta. Habka chelation-kani wuxuu ka hortagayaa xidhitaanka nafaqeynta ee ciidda, arrin caadi ah oo leh bacrimiyeyaasha caadiga ah, hubinta in dhirtu ay hesho sahay isku dheelitiran oo nafaqeeyayaalka yar yar. Tusaale ahaan, glycine iyo glutamic acid waxay hagaajiyaan nuugista calcium iyo magnesium, oo muhiim u ah photosynthesis iyo horumarinta miraha. Iyadoo la kordhinayo waxtarka isticmaalka nafaqeynta (NUE), bacriminta amino acid waxay yaraynaysaa baahida loo qabo galitaanka kiimikaad ee xad dhaafka ah, hoos u dhigida kharashka iyo yaraynta wasakhowga deegaanka.