"I have 2 bullmastiffs, both are 100-120 lbs. This is the only treat based product I've found that has enough glucosamine in it that I don't need to feed them a whole bag per day just to meet the daily level of glucosamine. I feed one biscuit in the morning and one at night.
Both dogs eagerly await their "cookies" and they come running every time they get one. This did not happen with other glucosamine products I've tried. I believe this is because all other products I've tried have a "vitamin" smell associated with them."