Glucosamine supplements: servings matter! A 50 lb dog should have 1000 - 1500 mg of glucosamine a day. Our supplement is 2 tsp per serving, 2 tsp containing 1000 mg of glucosamine. A competitor's serving size is also 2 tsp, but 2 tsp only contains 300 mg of glucosamine.

Glucosamine-Doses