Optimum: Opti Fit 120 Capsules Repp Sports Effects on the skeletal muscle Berberine Hydrochloride from Phellodendron Effects on the skeletal muscle are probably mediated by mechanical including a powerful dose of red beet root Supplement Facts Serving Size: 2 Capsules Number of Servings: 60 Servings Amount Per Serving % Daily Value Thiamin (As Hcl) 3 Mg 200% Riboflavin 3 Mg 200% Niacin (As Nicotinic Acid) 12 Mg 60% Vitamin B6 (As Pyridonxine Hcl) 4 Mg 200% Folic Acid 200 Mcg 50% Vitamin B12 (As Cyancobalamin) 12 Mcg 200% Acetyl L Carnitine (As Acetyl L Carnitine Hcl) 250 Mg N A* Caffeine 200 Mg N A* Green Tea Extract (Leaf) 200 Mg N A* RED PEPPER EXTRACT ((FRUIT)(CAPSIMAX)) 65 Mg N A* GUARANA EXTRACT (SEED) 30 Mg N A* Black Pepper Extract (Fruit)(Bioperine) 10 Mg N A* Begin with 1 capsule two times per day for the first week to assess tolerance