R-alpha lipoic acid 150mg per capsule, 1 bottle containing 90 capsules. When using with DCA therapy for side effect prevention, 1 bottle will last for 30 days at the adult dose of 1 capsule 3 times a day. When using with DCA therapy for side effect treatment, 1 bottle will last for about 15 days at the adult dose of 2 capsules 3 times a day. R-alpha lipoic acid may be prescribed by your Medicor physician as part of your treatment. In this case it is not HST taxable. Please see Excise Tax Act for details.