Novifit M 3 PACK (90 Tablets) 200mg: Helps support Cognitive function of aging dogs Active Ingredient (per tablet): SAMe/S-Adenosyl-L-Methionine-Tosylate Disulfate …… 200mg Direction: For Dogs 22 and 44 lbs: 1 tablet once a day for a period of 1 to 2 months