Best Dog Amino Acid Supplements of 2026

Amino B-Plex by Rx Vitamins is designed to enhance your pet's well-being. This liquid supplement is packed with essential B vitamins and amino acids that can help boost your pet's energy levels, making them more active and lively. It's particularly beneficial for pets recovering from surgery or illness, as it provides vital nutrients to aid their healing process. Additionally, it serves as an effective appetite stimulant, encouraging your furry friend to eat more and gain weight if needed. Plus, its liquid form makes it easy to mix with food for optimal absorption.

The Rx Vitamins Amino B Plex is a liquid supplement designed to support your dog or cat’s overall health and energy. It contains spirulina and a range of B vitamins that help boost vitality at any stage of life. If your pet struggles with a low appetite or needs to gain weight, this supplement encourages them to eat more, making mealtime easier for you. Plus, it absorbs quickly, delivering essential nutrients like vitamin B6 to help maintain energy, especially in senior or active pets. The bacon-flavored liquid mixes easily into food, so giving your pet their vitamins is hassle-free and enjoyable.

The OKKÖBI Muscle Gain Chews are designed to help your dog build strong muscles and improve strength with a powerful blend of proteins and amino acids. If your dog needs to gain weight healthily, these calorie-rich chews offer natural ingredients like turmeric and salmon oil to support lean muscle growth. They also keep your dog energized throughout the day thanks to added vitamins and glucosamine, which support vitality and joint health. Plus, these chews are created with input from veterinarians and are safe for dogs of all breeds and ages, making them a convenient way to boost your pup’s overall health and activity levels.

Bully Max Muscle Chews are designed to help you build a strong, muscular dog. With a powerful blend of 200 mg of BCAAs and essential vitamins, these chews support muscle growth and overall health for dogs of all breeds and ages. You can enjoy the benefits of high-quality protein and amino acids, which provide more protein and calories than other products. Additionally, the inclusion of Astaxanthin offers superior antioxidant protection, helping to reduce oxidative stress and enhance recovery. With advanced time-release technology, these chews ensure your dog receives a steady supply of nutrients throughout the day.

OKKÖBI Muscle Gain Chews are designed to help your dog build muscle and strength with a blend of high-quality proteins and essential amino acids. These chews support healthy muscle repair, making them ideal if you want your dog to stay athletic and strong. They also provide a calorie-rich formula that promotes healthy weight gain, perfect for underweight or active dogs needing extra nutrition. With added ingredients like turmeric, ashwagandha, and salmon oil, these chews support overall health. Plus, they include vitamins and antioxidants to boost your dog’s energy and vitality throughout the day. Suitable for all breeds and ages, these vet-approved chews help your dog thrive.

The Rx Vitamins Amino B Plex is a tasty liquid supplement designed to boost your dog or cat's overall health. It contains spirulina, which is packed with essential nutrients like vitamins B1, B2, B6, minerals, and antioxidants to support your pet at any life stage. If your pet struggles with a poor appetite or needs to gain weight, this supplement can help stimulate their hunger and encourage eating. It absorbs quickly, so your furry friend gets the energy and nutrients they need fast, especially helpful for active or senior pets. Plus, its bacon flavor makes it easy to mix into food, so you don’t have to worry about giving vitamins the hard way.

THRIVE Amino Acids Chews provide your dog with essential building blocks for muscles, skin, and overall health. These chews offer free-form amino acids that are easier for your pet to absorb, ensuring better nutrition than typical dog supplements. They are designed to fill nutritional gaps caused by heat-processed dog foods, supporting muscle strength, joint health, and immune function. With only two calories per chew, they are perfect for dogs needing weight management without sacrificing lean muscle. This makes it easier for you to keep your dog active, healthy, and strong throughout all life stages.

AminAvast Kidney Support is designed to enhance your pet's kidney health and overall vitality. Many pet owners have noticed positive changes in their animals, including better fur quality, increased appetite, and improved behavior within weeks of starting the supplement. Its unique blend of amino acids and peptides supports natural kidney function without reported side effects. Plus, the sprinkle capsules make it easy for you to mix with your pet's food, ensuring they get their daily dose effortlessly. With a three-year shelf life and no refrigeration needed, it's a convenient choice for pet care.

The MY LUCKY PETS Lysine Powder is a natural supplement designed to support your dog's overall health by providing an essential amino acid often missing in regular dog food. Lysine plays a key role in helping your dog’s body build necessary proteins for daily functions. This supplement is especially helpful for dogs with eye health concerns, as it can boost their immune system and reduce inflammation. By adding this powder to your dog's diet, you ensure they get the vital nutrients needed for a stronger immune response and better well-being, making it a convenient way to support your pet's health.

Wholistic Pet Organics Canine Complete is a premium dog supplement that contains vitamins, minerals, prebiotics, probiotics, and more. It is loaded with multivitamins, a key source of healthy protein, and organic ingredients that are easily digestible when mixed into food, perfect for dogs of all ages. This daily dog vitamin powder can restore your pet's gut health and provide a healthy functioning digestive system and immune system. Trusted by professionals, this local Bedford, NH-based company has been providing premium pet supplements to veterinarians for over 15 years.