MYOS Feline Muscle Health Formula, 180g (180 scoops)

All-Natural Fortetropin® Powder for Feline Muscle Strength & Healthy Aging

Product Description

MYOS Feline Muscle Formula is an all-natural, single-ingredient powder supplement designed to support muscle health, reduce muscle loss, and promote vitality in cats of all life stages. Powered exclusively by Fortetropin® — a patented bioactive ingredient made from 100% fertilized chicken egg yolk — this formula is clinically studied to help build lean muscle mass and reduce age-related muscle atrophy in cats. With no additives or artificial ingredients, it also delivers natural vitamins and minerals that support skin, coat, eye, bone, and cognitive health. Made in the USA, it is veterinarian-recommended and has been shown to be safe and well-tolerated in felines across a range of doses in clinical research.

Benefits

• Builds Lean Muscle Mass: Fortetropin® is clinically researched to help cats build and maintain lean muscle, making it especially valuable for senior cats experiencing sarcopenia or age-related muscle wasting.
• Reduces Muscle Atrophy: Helps slow down muscle loss caused by aging, illness, surgery, or reduced activity, supporting better body condition and endurance in cats at all life stages.
• Improves Mobility & Vitality: Supports muscle tone and flexibility, helping cats move more comfortably and remain active as they age.
• Supports Skin, Coat, Eye, Bone & Cognitive Health: Natural vitamins and minerals within Fortetropin® provide additional whole-body benefits beyond muscle support, nourishing multiple systems.
• Single, Clean Ingredient: Contains only Fortetropin® (100% fertilized chicken egg yolk powder) — no additives, artificial ingredients, or fillers — safe for long-term daily use in cats.

Ingredients

Active Ingredient per 1g Scoop (¼ tsp): Fortetropin® (100% Fertilized Chicken Egg Yolk Powder) — 1 g

Key Nutrient: 8 mg Phosphorus per 1g serving

Note: Although MYOS Feline Muscle Formula is made from 100% fertilized chicken egg yolk, it does not contain any chicken meat components.

How to Use

Dosage & Administration Instructions

• Cats up to 10 lbs: Give 1 gram (1 scoop / approximately ½ teaspoon) daily.
• Cats 11 lbs and over: Give 2 grams (2 scoops) daily.
• Mix with Food: Sprinkle or stir the powder into your cat's wet food or regular meals; most cats accept it well when mixed evenly.
• Introduce Gradually: Begin with ¼ of the recommended dose and ramp up over 5–7 days to the full dosage to allow your cat to adjust.
• Daily Use Recommended: For best results, use consistently every day; improvements in muscle mass and mobility may take several weeks, particularly in senior cats.
• Scoop Included: A 1g measuring scoop (approximately ½ teaspoon) is included in each package.

Additional Information

Precautions

• Veterinary Consultation: Consult your veterinarian before starting this supplement, especially for cats with pre-existing health conditions, chronic disease, or those recovering from surgery.
• Egg Allergen: Fortetropin® is derived from fertilized chicken egg yolk; cats with known egg sensitivities should not use this product without veterinary guidance.
• Introduce Slowly: Always start at ¼ the recommended dose and increase gradually over 5–7 days to minimize the risk of digestive upset.
• Store Properly: Store in a cool, dry place after opening; refrigeration after opening is recommended to preserve freshness and ingredient potency.
• FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Possible Side Effects

• Digestive Sensitivity: Some cats may experience mild vomiting or digestive upset when first introduced to the supplement; starting at ¼ dose and gradually increasing helps minimize this risk.
• Individual Variation: Tolerance and results may vary between cats; some cats may not readily accept the powder even when mixed into food. If adverse reactions develop, discontinue use and consult your veterinarian.
• Clinical Safety: A clinical study presented at the American College of Veterinary Internal Medicine (ACVIM) Forum confirmed that Fortetropin® is safe and well-tolerated in cats at doses ranging from 1g/day up to 4g/day.

Shipping & Returns

We offer ground, express, priority, and international delivery; see our shipping policy for details.

For return instructions or product concerns, please refer to our detailed refund policy.

Frequently Asked Questions

Q1: What is MYOS Feline Muscle Formula and what does it do for cats?

Ans: MYOS Feline Muscle Formula is an all-natural powder supplement containing a single ingredient — Fortetropin® from fertilized egg yolk — clinically studied to help build lean muscle, reduce muscle loss from aging or illness, and support mobility and overall vitality in cats of all life stages.

Q2: What is Fortetropin® and how is it made?

Ans: Fortetropin® is a patented, all-natural bioactive ingredient derived from fertilized chicken egg yolk using a proprietary low-temperature process developed by MYOS Corp. It is clinically shown to accelerate lean muscle gains, reduce muscle atrophy, and enhance recovery — with no additives or artificial ingredients.

Q3: How much MYOS Feline Muscle Formula should I give my cat daily?

Ans: Cats up to 10 lbs should receive 1 gram (1 scoop, approximately ½ teaspoon) daily. Cats 11 lbs and over should receive 2 grams (2 scoops) daily. Always start at ¼ the recommended dose and ramp up gradually over 5–7 days.

Q4: Is MYOS Feline Muscle Formula safe for senior cats?

Ans: Yes. MYOS Feline Muscle Formula is particularly beneficial for senior cats experiencing age-related muscle loss, reduced mobility, or sarcopenia. A clinical study presented at the ACVIM Forum confirmed that Fortetropin® is safe and well tolerated in cats at the recommended doses.

Q5: How do I give this supplement to my cat?

Ans: Mix the recommended number of scoops directly into your cat's wet food or regular meal. One feline scoop equals 1 gram, approximately ½ teaspoon. For picky cats, start with a smaller amount and gradually increase until reaching the full serving.

Q6: Does MYOS Feline Muscle Formula contain any artificial additives or chicken meat?

Ans: No. The formula contains only Fortetropin® — 100% fertilized chicken egg yolk powder — with no artificial ingredients, fillers, or additives. Although it is made from chicken egg yolk, it does not contain any chicken meat components.

Q7: Can MYOS Feline Muscle Formula help cats recovering from surgery or illness?

Ans: Yes. Fortetropin® is clinically researched to support muscle recovery and reduce muscle loss following surgery, injury, or chronic illness. It can be a valuable part of a recovery and rehabilitation program when recommended by a veterinarian.

Q8: Are the eggs used to produce Fortetropin® free from hormones and antibiotics?

Ans: Yes. MYOS confirms that the chickens producing the eggs used in Fortetropin® are fed a diet with no added hormones or antibiotics, ensuring a clean and natural ingredient source.

Q9: How long does it take to see results in cats?

Ans: Results vary by individual cat. Visible improvements in muscle mass, body condition, and mobility may take several weeks of consistent daily use, especially in older or debilitated cats. MYOS recommends daily use as part of a regular wellness routine.

Q10: How should MYOS Feline Muscle Formula be stored?

Ans: Store in a cool, dry place after opening. The manufacturer recommends refrigeration after opening to maintain freshness and preserve the biological activity of Fortetropin®. Avoid exposing the product to heat, as this can reduce its efficacy.