Lolas knee pops & now T is lifting a leg when walking
The glycoflex seems alittle cheaper & more importantly had better ingredience imo. I ordered the glycoflex III, which I guess is better then I or II from
http://www.kvvet.com had the best price from what I could find & reasonable shipping. 120 chewables for $31.95, yorkies may only need 1/4 tab.