Joint Supplement Comparison for Horses Dose Amount Loading Dose Approved for Pets Hyaluronic Acid (HA) Methyl Sulfonyl Methane (MSM) Glucosamine Hydrochloride Chondroitin Sulfate Yucca Devils Claw Other Ingredients Rapid Flex Horse Joint Supplement 1-1.5 scoops 2-3 scoops daily for 3 weeks No 5,000 mg per scoop 1,025 mg per scoop 500 mg per scoop 100 mg per scoop 1,025 mg mucopolysaccharides, 500 mg alfalfa, 100 mg nettle leaf, 50 mg tumeric root, 25 mg celery seed, 25 mg black cohosh root, 25 mg ginger root and 5 mg cayenne pepper Reach Joint Supplement 1oz 2 oz daily for 10 days No 1,750 mg per oz 5,000 mg per oz 14.5 mg per oz 1,000 mg calcium ascorbate, 37 mg bromelain and 3.5 mg perna mussel Sho-Flex Advanced Equine Joint Supplement 1-2.5 scoops No 5,000 mg per 2 scoops 10,000 mg per 2 scoops 1,200 mg per 2 scoops 100 mg ascorbic acid Soundhorse Viscosity 1 scoop No 100 mg per scoop 8,000 mg per scoop 10,000 mg per scoop 1,000 mg per scoop 1,000 mg per scoop 25,000 mg flax seed, 1,000 mg boswellia, 1,000 mg corydalis, 1,000 mg curcumin and 280 mg stevia SU-PER MSM Ultra Pure Powder Horse Supplement 10 gm 20 gm for first 2 weeks 10,000 mg per 10 gm SuspensorySaver for Horses 2 scoops 4 scoops for 12 weeks No 100% GlycoStretch Tight Joints PLUS Horse Supplement 1/2 oz 1 oz daily for 14 days No 150 mg per 1/2 oz 5,000 mg per 1/2 oz 10,000 mg per 1/2 oz 1,000 mg per 1/2 oz 500 mg per 1/2 oz 8,000 mg ascorbic acid, 1,000 mg shark cartilage, 1,000 mg boswellia, 200 mg copper, 150 mg manganese and 10 mg vitamin E Tight Joints PLUS Gold Horse Supplement 1/2 oz 1 oz daily for 14 days No 150 mg per 1/2 oz 5,500 mg per 1/2 oz 10,000 mg per 1/2 oz 1,000 mg per 1/2 oz 8,000 mg ascorbic acid, 1,000 mg shark cartilage, 1,000 mg boswellia, 200 mg copper, 150 mg manganese and 10 mg vitamin E Total Joint Care Performance 1 scoop No 200 mg per scoop 3,000 mg per scoop 6,000 mg per scoop 3,000 mg per scoop 1,000 mg ascorbic acid (vitamin C) and 50 mg zinc Total Tendon Repair for Horses 1 scoop No 2,100 mg per scoop 2,200 mg TendoFit, 2,000 mg hydrolyzed collagen, 1,000 mg calcium, 775 mg phosphorus and 300 mg ascorbic acid (vitamin C) Vita Flex Pro MSM 1 scoop 2 scoops daily for 7 days Yes 10,000 mg per scoop Updated 7/20/22 Disclaimer: The information shown here has been gathered from many sources and with great care. Recognizing, however, the possibility of human and typographical errors in transposing such a large amount of technical information, PBS Animal Health hereby disclaims responsibility.