Fortetropin® is a proprietary advanced all-natural nutrition product developed and owned by MYOS. Fortetropin helps maintain healthy muscle and reduce muscle loss due to aging, injury or surgery. No additives or artificial ingredients. Clinically researched to accelerate gains in muscle mass, improve mobility and enhance recovery from injury.

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

The chickens that produce our eggs are fed a diet with no added hormones or antibiotics.

We have many puppies who use the product. The biggest thing to keep an eye out for is tolerability. A good general rule of thumb is if a dog can tolerate egg yolk, they will be fine with MYOS. The advantage of our product is that there are no medications or chemicals: MYOS Muscle Formula has only one ingredient, called Fortetropin, which is derived from fertilized egg yolk. Most owners tend to want to know how much protein is in our product, which would be 1 gram per scoop. Our recommended dose is 1 scoop for dogs up to 25 pounds and 2 scoops for 26-50 pounds. For reference, 6 grams (two canine scoops /6 feline scoops) are about the equivalent of 1 egg yolk. Here's a direct link with the nutrient panel: https://support.myospet.com/home/where-can-i-find-the-nutrition-information The proper dosing is 1 loose, level scoop (not packed), not the halfway line on the scooper. It is about equal to a tablespoon. Since our dosing is measured by weight, transferring to a tablespoon is close but may not be 100% exact. If you choose to start, we recommend introducing it slowly over the course of a week or so until they reach the full recommended dose. Consider beginning with 1/4 the recommended dose and ramping up over 5-7 days to the recommended dosage. Base the dosing on the current weight and increase if they move into the next dosing size based on weight. Also, here's a little more on how MYOS is great as a preventative approach: https://myospet.com/blogs/news/thursdays-with-millie-12-7-ounces-of-prevention

While we recognize that every dog is different, it can take anywhere from 8-12 weeks to see improvements, especially for older pups. Fortetropin helps build muscle and reduce muscle atrophy. Many customers have also reported increased mobility in dogs with joint issues. Our clinical studies have focused on muscle health, but other studies have shown that better muscle health can lead to improvements in joints and mobility. Additionally, pets recovering from surgeries or injuries can benefit greatly from Fortetropin as well as it can accelerate the healing process by supporting muscle recovery, helping your pet get back to their active lifestyle sooner. Here is a great overview about it as well: https://myospet.com/blogs/news/thursdays-with-millie-signs-that-myos-is-improving-your-dogs-muscle-health

If you have a MYOS PET account, you can login and click manage subscriptions. If you do not have an account already created, you can either create an account with the email you place your order with by clicking here OR you can manage your subscription with a password-less login by clicking here make sure to use the email or phone number you used at checkout.  

If you are placing a regular order you can apply for credit at checkout OR by logging/managing your subscription you can toggle on Auto-apply to the next order where you can view your credits balance.  

Credit can be used to pay for upcoming subscription orders. You can receive Credit through the Rewards program, customer support, gift cards, and more.

Credits do not expire as long as you have an active subscription. If you cancel your credit balance will be $0.00 

Login or go to manage subscription here, onced signed in click Manage this subscription – you'll be given options to reschedule, skip, or cancel subscription. You may also choose to swap for a different product if you want to try a new MYOS PET product.  

If you forgot to cancel your order let us know right away at info@myospet.com or by calling (973) 509-0444 during regular business hours. If your order has already left our facility, we will not be able to stop the order en route. You may choose to keep your order and skip your next scheduled order if you have too many or you can start the process of making a return.

Login or go to manage subscription here click Address & payment details from there you’ll be able to manage addresses or manage payment methods.

On Desktop – Click on the user icon on the top right of the page - right next to the shopping cart.
On Mobile Device – Open the Hamburger menu on the upper left. Click on the user icon on the bottom of the menu that says ‘Log in’ 

Yes! When you subscribe to any of our MYOS Pet products you’ll receive free automatic shipping.  

Email us as soon as possible at info@myospet.com or call (973) 509-0444 during regular business hours.  

MYOS is made in the USA from globally sourced ingredients.

Store in a cool dry place after opening. Recommended refridgeration after opening.

 We offer a Feline Muscle Formula for our feline friends. 

Some pet insurance companies cover MYOS PET supplements. 

To start your dog on any new supplement/diet, begin by offering a smaller dose than the recommended amount, allowing their system to adjust. Gradually increase the dosage over several days or weeks, to help prevent any digestive upset or adverse reactions. This gradual approach will help ensure a smooth transition and allows you to monitor your dog for any signs of sensitivity.

All MYOS Pet products come with a 100% satisfaction guarantee. Just contact us if for any reason you’re not happy with your purchase and we'll be sure to make it right. 

Under Vet Patients click Vet Authorization Code OR click here

To access invoices, you will either need to login to your account OR create an account with the email address you made your previous purchases with. Once you're logged in click on ‘My Orders’ then ‘Download Invoice’. If your order was cancelled or refunded the invoice will appear blank.

 Our products are shipped from our warehouse in Cedar Knolls, New Jersey 

Orders are fulfilled Monday – Friday 9 AM ET – 5 PM ET

 Our headquarters observes all major holidays and orders will be fulfilled the following business day.