Rx Vitamins MegaFlex For Dogs & Cats (600 capsules)

Rx Vitamins SKU: 8060


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Rx Vitamins MegaFlex For Dogs & Cats

MegaFlex is comprised of important nutrients for dogs and cats to complement their overall diet. MegaFlex is a high potency formula designed to nourish and support connective tissue for healthy, flexible joints and comfortable movement. The formula features glucosamine sulfate, a critical precursor of synovial fluid. Glucosamine sulfate has a low molecular weight allowing it to be well absorbed orally. Studies have found that glucosamine sulfate has a tropism for articular cartilage in the dog.


  • Suitable for both cats and dogs.
  • Features joint-supporting ingredients like MSM and sea cucumber.
  • Incorporates glucosamine sulfate which helps build healthy cartilage.
  • Formulated by a veterinarian.
  • Carries the National Animal Supplement Council Seal (NASC).


Active Ingredients 

Glocosamine (Sulfate), MSM (Methylsulfonymethane), Sea Cucumber (Pseudo Colochirus Axiologus), Vitamin C (Ascorbic Acid).

Inactive Ingredients

Gelatin, Glycerin, Silica & Water.

Active Ingredients Per 4 Capsules

Glucosamine (Sulfate)  1000 mg
MSM (Methylsulfonymethane)   500 mg   
Sea Cucumber (Pseudo Colochirus Axiologus)   300 mg
Vitamin C (Ascorbic Acid)   10 mg


How to Use

Weight Daily Feeding
up to 50 lbs. 1 capsule
50-75 lbs. 2 capsules
75-100 lbs. 4 capsules
over 100 lbs. 6 capsules


Dosage may be doubled for the initial 4-8 weeks for a more rapid response.

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