My dog, Ziggy, is 14 years old. He has had increased difficulty with his hind legs giving out when standing on the kitchen floor or when climbing stairs. Initially, on the starting dose, I didn’t notice any change. After 10 days, I increased the dose as prescribed, and still no difference. Not having the extra strength oil for the next dose, I gave Ziggy a full dropper 2x/day of the regular strength. Within a couple days, he was clearly moving better, having less difficulty climbing stairs and ...