Cosequin-DANGEROUS: high levels of magnesium will cause crystals to dorm in urethra preventing urination in small dogs, maybe large dogs. I had to take mine to ER. Bought at Costco. : r/Costco
Amazon.com: Kirkland Signature Extra Strength Glucosamine 1500mg/Chondroitin 1200mg Sulfate - 220 Count (Pack of 1), Tablet : Health & Household