Joint Supplement Comparison for Horses Dose Amount Loading Dose Approved for Pets Hyaluronic Acid (HA) Methyl Sulfonyl Methane (MSM) Glucosamine Hydrochloride Glucosamine Sulfate Chondroitin Sulfate Yucca Grape Seed Extract Devils Claw Other Ingredients Flex+Max Horse Joint Supplement 75 gm Yes 150 mg per 75 gm 5,000 mg per 75 gm 10,000 mg per 75 gm 1,200 mg per 75 gm Boswellia, flax seed and rice bran (sources of omega-3) Flexadin UC-II Equine Supplement 1 scoop 1/2-1 scoops daily for 12 weeks 3.5 gm .32 gm UC-II® brand collagen, banana flavor, lactose, manganese chelate, potassium chloride, silicon dioxide, sodium diacetate, sodium propionate and sorbic acid Fluid Action Joint Supplement 1 oz 2 oz for first 10 days Yes 60 mg per oz 5,000 mg per oz 29 mg per oz 1,000 mg ascorbic acid and 18 mg gingko biloba Fluid Action HA Joint Supplement - Liquid 1 oz 2 oz for first 8 days Yes 25 mg per oz 60 mg per oz 5,000 mg per oz 29 mg per oz 1,000 mg ascorbic acid and 18 mg gingko biloba Fluid Action HA Joint Supplement - Powder 12 gm No 100 mg per 12 gm 2,000 mg per 12 gm 5,000 mg per 12 gm 200 mg per 12 gm 200 mg per 12 gm 1,000 mg ascorbic acid, 300 mg olive fatty acids, 200 mg turmeric & 1,000 IU vitamin D3 FluidFlex Joint Solution Supplement for Horses 1 oz 2 oz daily for 5 days No 5,000 mg per oz 100 mg per oz 250 mg per oz 85 mg collagen derived peptides, 40 mg zinc, 30 mg manganese and 10 mg copper Formula 707 Joint 6in1 - Fresh Pack 1 pack 1-2 packs daily for 1st month No 2,500 mg per pack 2,250 mg per pack 127 mg per pack 1,600 mg type II collagen, 940 mg green lip mussel, 741 mg dl-methionine, 65 mg zinc, 55 mg bromelain, 50 mg manganese and 13 mg copper Formula 707 Joint 6in1 Supplement for Horses - Pellets 1-2 oz 2-4 oz daily for 1st month No 5,000 mg per 2 oz 4,500 mg per 2 oz 255 mg per 2 oz 3,200 mg type II collagen, 1,600 mg dl-methionine, 940 mg green lipped mussel, 110 mg bromelain, 130 mg zinc, 100 mg manganese and 26 mg copper Glucosamine 5000 Horse Supplement 1/2 oz 1 oz daily for 14 days No 2,500 mg per oz 2,500 mg per oz 20 gm omega-3 fatty acid, 85 mg vitamin C and 1 ppm selenium Grand Flex Joint Support for Horses and Dogs 1 oz 2 oz daily for first 3-4 weeks Yes 5,000 mg per 1 oz 100 mg per 1 oz 5,000 mg vitamin C, 3,000 mg methionine, 250 mg manganese gluconate, 200 mg zinc gluconate, 200 mg lysine, 150 mg niacinamide, 100 mg citrus bioflavonoids, 80 mg proline and 50 mg copper gluconate Grand Flex Senior Joint Support for Horses and Dogs 1.5 oz 3 oz daily for first 3-4 weeks Yes 50 mg per 1.5 oz 10,000 mg per 1.5 oz 7,500 mg per 1.5 oz 50 mg per 1.5 oz 500 mg per 1.5 oz 1,750 mg per 1.5 oz 1,000, mg boswellia, 1,000 mg vit C, 3,000 mg methionine, 250 mg manganese, 200 mg zinc, 200 mg lysine, 167 mg hydrolyzed collagen type II, 150 mg niacin, 80 mg proline, 50 mg copper, omega-3 & -6 fatty acids Grand H.A. Synergy Joint Support for Horses and Dogs 2 oz 4 oz daily for first 3-4 weeks Yes 200 mg per 2 oz 10,000 mg per 2 oz 5,000 mg per 2 oz 250 mg per 2 oz 735 mg hydrolyzed collagen type II, 250 mg vitamin C, 1,000 mg omega-3 fatty acid, 275 mg omega-6 fatty acid, 250 mg manganese sulfate, 200 mg lysine, 100 mg bioflavonoids, 80 mg proline and 50 mg copper 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. Updated 7/20/22
