Cool Down With 10% Off Hundreds Of Pet Products With Code SUMMER10

MYOS Feline Muscle Formula with Green Lipped Mussel

MYOS Feline Muscle Formula with Green Lipped Mussel
6.98 oz - (198 g) Canister - 180 Scoops
SKU : 368198_-RX
Price: $56.99
Price: $56.99
Save 15% on your first Autoship order
+ Save on each recurring order!

Veterinarian Prescription (Rx) Required
Free Shipping on orders over $75 
Low Price Match Guarantee
  • 2 All-Natural ingredients
  • Helps build muscle
  • Helps support joint health
  • Clinically shown to improve mobility
  • For cats only
How to Order Prescriptions


MYOS Feline Muscle & Joint Supplement is a groundbreaking cat muscle supplement clinically proven to help build muscle and support feline joint health.

Improved Strength

Fortetropin provides nutrients from a patented process using fertilized egg yolks, and is a powerful muscle building supplement perfect for improving leg strength and reducing pain and inflammation in cats with muscle loss from aging, injury or surgery.

Increased Mobility

Green Lipped Mussel is a natural source of Omega-3 Fatty Acids that reduce inflammation and pain along with Glycosaminoglycans (GAGs) such as Chondroitin Sulphate that promote joint health. 

Directions for Use

Small (up to 5 lbs)  1 scoop (1.1 g) daily 
Medium (5-10 lbs)  1 scoop (1.1 g) daily 
Large (10+ lbs)  2 scoops (2.2 g) daily 



Store in a cool dry place after opening. 


Safe use in pregnant animals or animals intended for breeding has not been studied. If animal's condition worsens or does not improve, stop use and consult your veterinarian. 


Egg, Shellfish