10 Best Muscle Builder For Dogs 2026 in the United States

Bully Max 11-in-1 Muscle Gain Power Chews are designed to help dogs build muscle and improve health. Each chew is packed with 200 mg of BCAAs and high-quality proteins essential for muscle growth and recovery. These chews also contain 5mg of Astaxanthin, a powerful antioxidant that promotes joint health and strengthens the immune system.

The time-release technology ensures that your dog receives a steady supply of nutrients throughout the day, making these chews perfect for training sessions. They are suitable for all breeds and ages, including puppies, adult dogs, and even pregnant or nursing dogs. The chews have a high protein and calorie content, making them ideal for dogs that require extra strength and stamina.

It is important to ensure your dog has access to fresh water while using this supplement. The product is vet-recommended and manufactured in the USA, ensuring safety and quality. The chews come in a 10.6 oz bag containing 75 pieces, with an easy-to-follow dosage guide based on your dog's weight. If you're looking for a muscle-building supplement for your dog, Bully Max Muscle Gain Power Chews are a strong contender.

MYOS Canine Muscle Formula is an all-natural supplement designed to support muscle health in dogs, particularly beneficial for aging dogs or those recovering from surgery or injury. It contains Fortetropin, a bioactive composition made from fertilized egg yolk, which is rich in essential amino acids, vitamins, and minerals. This ingredient is clinically shown to help maintain muscle size and mass, reduce muscle loss, and improve recovery times.

The product aims to enhance mobility and vitality, making it suitable for senior dogs and active pups alike. It also supports healthy weight management by maintaining muscle mass. MYOS Canine Muscle Formula is easy to administer as a powder and is trusted by over 2000 veterinarians, backed by clinical studies and patents. Manufactured in the USA and Germany, it carries a 100% satisfaction guarantee. However, it is important to note that individual results may vary, and the effectiveness can depend on the specific needs and conditions of each dog.

The MYOS Muscle & Joint Powered by Fortetropin with Green Lipped Mussel is designed to help dogs with muscle recovery and joint health. It includes Green Lipped Mussel, which is known for its joint-supporting qualities, and glucosamine, which helps with flexibility and alleviates joint pain. This product is versatile and can be used for all dog breeds and ages, making it a great option for both growing puppies and older dogs needing muscle maintenance and joint care.

The supplement is natural, gluten-free, and made with only two ingredients, increasing its safety profile for dogs with sensitive stomachs or allergies. Manufactured in the U.S. and Germany, it assures quality production standards. While it's presented as palatable, it’s essential to note that taste preferences can vary widely among dogs. For large dog breeds, the powder form might require careful portioning.

This supplement is particularly beneficial for dogs needing muscle recovery and enhanced joint support, making it a well-rounded choice for pet owners focused on their dogs' physical well-being.