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Simple. Natural. Proven.
MYOS uses a single, all-natural ingredient called Fortetropin®. No additives or artificial ingredients. Fortetropin® has been shown in multiple clinical studies to accelerate gains in muscle mass, improve mobility and enhance recovery from injury.


Veterinarian Recommended
Veterinarians reported that older dogs engaged in more physical activity after consuming Fortetropin® and resumed certain activities that were thought to have stopped because of age.


100% Safe
Not only is MYOS safe for your dog, but it’s safe for you too. We wouldn’t feed our dogs something that we wouldn’t be willing to eat ourselves.



  • 12.7 oz (360 g); 120 scoops/container


Order Limit: 1 per order

MYOS Canine Muscle Formula

SKU: MYOS802023
  • Ground breaking canine supplement for dogs of all ages to build muscle mass naturally. Fortetropin® is clinically proven to build muscle and reduce muscle atrophy in dogs.

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