Synonyms: 5-(1,2-dithiolan-3-yl)valeric acid; Thiocitic Acid; 1,2-Dithiolane-3-pentanoic acid; 1,2-dithiolane-3-valeric acid; 6,8-thioctic acid; a-lipoic acid; 5-[3-(1,2-dithiolanyl)]pentanoic acid; d-[3-(1,2-dithiacyclopentyl)]pentanoic acid; protogen A; acetate replacing factor; pyruvate oxidation factor; Alpha Lipoic Acid; Lipoic acid; DL-alpha-Lipoic acid; DL-6,8-Dithiooctanoic acid; 5-(dithiolan-3-yl)valeric acid; 1,2-Dithiolane-3-valeric acid; alpha-Lipoic acid; α-Lipoic Acid; DL-Thioctic acid