Other companies in the industry use the cheaper RS form of alpha-lipoic acid, which does not deliver the full beneficial effects of the K form. Nutrabolics has taken it to a whole new level, by utilizing 200mg of the superior K form of alpha-lipoic acid per serving, and binding it with Potassium, to form the newest and most potent form of K-alpha-lipoic acid in excistence: K-R-Alpha Lipoic Acid. InsuLeanK, which combines K-R-ALA, Goat’s Rue Extract, D-Pinitol, Banaba Extract, Quercitin, Biotin and Gymnea Sylvestre is unsurpassed by the competition.Ingredients:Gelatin, purified water, titanium dioxide, fd&c blue #1, fd&c yellow #6, silicon dioxide, sodium lauryl sulfate.Suggested Use:As a herbal supplement cycle as follows; For 25 days, take 2 capsules before breakfast with food and 2 more capsules at mid-afternoon with food. After 25 days on cycle take 1 week off with no supplementation prior to starting a new cycle. Or as directed by a health care professionaProduct Facts:Serving Size (caps) 2Servings Per 50K-R-ALA 200mgD-Pinitol 50mgBanana leaf Extract 40mgGymenma Sylvestre 200mgGoats Rue 20mgD-Biotin 200mcQuercetin 75mg