Enzyme Pro Powder, 16 oz A natural supplement formula to help support the health and virility of the breeding stud Increase your stud dogs stamina and virility with all natural Mr Stud Easy to Use Contains a balanced ration of the proteolytic enzymes lipase, amylase and protease to ensure an effective digestive process. Especially beneficial for dogs and horses with digestive problems. Assists with allergies, weight loss, cribbing, colic, hairballs and improving skin and coat.