Product Description

Mega Grand Flex is designed to help horses that have not responded to traditional ingredient levels in joint support products. Grand Meadows recommends that you use Mega Grand Flex when a more aggressive approach is needed. Mega Grand Flex contains all the important co-factors in original Grand Flex plus 12,500mg of Glucosamine and 10,000mg of MSM per serving.

Active Ingredients per 1 oz

IngredientPer ServingPer Pound
Glucosamine HCl12,500 mg
MSM (Methysulfonylmethane)10,000 mg
Vitamin C1,000 mg
Methionine1,000 mg
Manganese Gluconate250 mg
Zinc Gluconate200 mg
Lysine200 mg
Niacinamide150 mg
Yucca100 mg
Citrus Bioflavonoids100 mg
Proline80 mg
Copper Gluconate50 mg

Inactive Ingredients:

Apple Flavoring, Maltodextrin.


Consult with your veterinarian before using this product in animals with clotting disorders being treated with anticoagulant medications, diabetes or any metabolic disorder causing hypoglycemia, history of urinary tract stones or known allergies to shellfish. If lameness worsens discontinue use and consult your veterinarian. For animal use only. Keep out of the reach of children and other animals. In case of accidental overdose, contact a health professional immediately. This product should not be given to animals intended for human consumption. Administer druing or after the animal has eaten to reduce incidence of gastrointestinal upset. Store in a cool, dry place. Keep lid closed for maximum freshness. Follow label directions. Keep out of reach of children.