MYOS Vet Strength has added BCAAs (Branched Chain Amino Acids). This means this adds to the benefits of Fortetropin of muscle growth, an added benefit in terms of endurance and recovery. This means this product is more suited for working or performance dogs. 
Fortetropin® is a groundbreaking, all-natural muscle health supplement that helps support muscle growth and improve mobility in dogs and cats.
MYOS has worked wonders for our dogs, and we are proud to say that tens of thousands of dogs are experiencing the benefits of our unique product.
Simple. Natural. 
MYOS uses a single, all-natural ingredient called Fortetropin®. No additives or artificial ingredients. Fortetropin® has been shown to help build muscle, improve mobility and enhance recovery from injury. Read our clinical studies here.
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. Read more about our clinical studies. 
MYOS uses a single, all-natural ingredient called Fortetropin®. No additives For Canine Fortetropin® Products
Fortetropin® is a proprietary advanced nutrition product developed and owned by MYOS. Fortetropin helps maintain healthy muscle and reduce muscle loss due to aging, injury or surgery. Read our clinical studies and learn more about the power of this groundbreaking product. 
SizeDog's WeightDaily
Under 24 lbs1 Scoop Daily
25 - 49 lbs2 Scoops Daily
Over 50 lbs4 Scoops Daily
We recommend introducing any new foods to your pet slowly and using half the dosage when getting started on MYOS.
Store in a cool dry place after opening. Recommended for daily use for best results. Result may vary.  or artificial ingredients. Fortetropin® has been shown in multiple clinical studies to help build muscle, improve mobility and enhance recovery from injury.
https://myospet.com/pages/clinical-studies