JOINT PLUS DOG TABS 60'S, Joint Plus for Dogs chewable daily supplement helps support normal healthy hip and joint function. Contains glucosamine HCl, chondroitin sulfate, pernal mussel, MSM, manganese, and vitamins A and E. Dosage: Dogs under 20 lbs - 1/2 tab daily; 20-70 lbs - 1 tab daily; Over 70 lbs - 2 tabs daily. Give directly or crumble and mix with food. Safe use in pregnant animals has not been proven.