“Vetasyl Fiber Supplement, 500 mg x 100 Capsules”
"Contains 100% natural fiber source, which includes Psyllium and Barley. Encourages natural elimination without the aid of chemicals, while providing a gentle, effective relief from constipation. Convenient, easy-to-administer. Directions: Open capsule and Sprinkle over food. Use one capsule per 20 lbs. For dogs and cats." More »