Overview First Companion® First-Flex™ is a comprehensive liquid supplement containing glucosamine HCl, ascorbic acid, sodium hyaluronate, MSM, yucca, and chondroitin.

  • This supplement is recommended for to help support healthy joints
  • Shake well before use 1 fluid ounce = 31 grams
  • Horses (1000 lbs): For the first 8 days, give 2 fluid ounces daiy after 8 days, give 1 fluid oz daily thereafter
  • Dogs: For every 25 lb of weight, give 1 teaspoon for the first 8 days, after 8 days, give 1/2 teaspoon daily thereafter
  • Cats: For adult cats, give 1/4 teaspoon daily