Ask Ariel’s Ultra-Flex Collagen for dogs and cats is a natural, “whole-food” supplement that is tasteless and easy to administer. Just sprinkle on your pet’s food - one dose a day is all that is needed to give your cat or dog the benefits of collagen. The ingredients are backed by extensive research and clinical trials.

Collagen is a structural protein found in the bones, muscles, skin, tendons, and digestive tract of your pet. It is the “cellular glue” that holds the body together. Natural collagen production declines as your pet ages, which can lead to decreased elasticity and stability in the joints, muscles and connective tissue. Collagen supplements for dogs and cats can also be used to aid in recovery and repair of bones, tendons and ligaments in pets that have suffered injuries.

The key ingredient in Ultra-Flex Collagen for dogs and cats is NEM® brand eggshell membrane - a safe, all-natural whole-food source containing three varieties of collagen, glycosaminoglycans (GAGs) such as chondroitin sulfate, glucosamine, hyaluronic acid, and enzymes, which support joints and connective tissue. Ultra-Flex Collagen for dogs and cats contains key enzymes for enhanced absorption and bioavailability.

Yes, collagen is a natural protein and is generally well-tolerated by pets. Because Ultra-Flex contains NEM® eggshell membrane, pets with egg allergies should not use this product. If your pet is especially sensitive, starting with half the recommended dosage of collagen is the best way to start. Clinically tested NEM® eggshell membrane collagen is safe, natural and effective, helping pets maintain mobility, recover faster from injuries, and enjoy playtime again.*

*Reference: Effectiveness of NEM® brand eggshell membrane in the treatment of suboptimal joint function in dogs: a multicenter, randomized, double-blind, placebo-controlled study. Vet Med (Auckl). 2016; 7:113–121. Published online 2016 Aug 18.

Collagen supplements can help:

Support joint health, flexibility and mobility

Dogs with collapsed trachea

Pets with ACL tears, tendon and ligament injuries

Cats and dogs with arthritis

Young dogs with panosteitis or growing pains

Senior dogs with GOLPP or laryngeal paralysis

Pets allergic to glucosamine

NEM® (Natural Eggshell Membrane) is a clinically tested, whole-food form of collagen for pets that provides natural joint and cartilage support. It contains collagen types I, V, and X, along with glucosamine, chondroitin, and hyaluronic acid—key nutrients that help maintain flexibility and comfort in dogs and cats.

Unlike many synthetic collagen sources, NEM® collagen is gently derived from eggshell membranes using an all-natural, patented process. The eggshells and membranes are carefully separated, partially hydrolyzed, and dry-blended to produce a 100% pure powder. Every batch of NEM® collagen is made in the USA in FDA-inspected, NSF-certified GMP facilities, and tested to ensure it’s free of heavy metals and bacteria.

This makes Ultra-Flex Collagen a safe, natural way to support your pet’s joints, cartilage, and connective tissue with clinically proven NEM® collagen.

One of the hardest things to watch is your dog or cat slowing down—no longer running or playing like they used to because of arthritis or joint pain. Age, activity and past injuries can wear down your pet’s joints, ligaments and tendons over time. Collagen plays a vital role in your pet’s comfort and mobility— it’s the natural “glue” that gives joints their strength, flexibility and cushioning.

As pets age, their natural collagen levels decline, leading to stiffness, arthritis and a higher greater risk of injuries such as ACL tears, luxating patella and hip or elbow dysplasia. Adding collagen to their daily routine helps protect joint cartilage and strengthen connective tissue, making it more comfortable for them to walk, run and play.

Ultra-Flex Collagen isn’t just for older pets—it can benefit dogs and cats at every stage of life. Adding collagen early helps support healthy joint and cartilage development in growing or active pets, keeping them strong and resilient through all their adventures. For young, large-breed dogs prone to bone or joint issues like panosteitis (a painful inflammation of the long bones), collagen provides key nutrients that can help soothe discomfort and support healing. Ultra-Flex Collagen is also a great option for pets with shellfish allergies who can’t tolerate glucosamine. It can be used on its own or alongside joint supplements like ArthroStride to promote joint repair, improve mobility, and reduce wear and tear on aging joints.

Ultra-Flex Collagen has been one of Ask Ariel’s most effective natural supplements for dogs with collapsed trachea. Eggshell membrane for collapsed trachea helps strengthen and support the rings of cartilage that keep your dog's airway open. Ultra-Flex contains clinically tested NEM® eggshell membrane, a whole-food source of collagen that promotes easier breathing and helps reduce coughing and “honking” over time.

Ultra-Flex Collagen is also helpful for dogs with laryngeal paralysis and GOLPP. With these conditions, the laryngeal cartilage no longer functions normally and breathing becomes restricted. Supporting and strengthening the connective tissue may help delay the need for surgery and reduce symptoms.

We all want our pets to have a soft, shiny coat and healthy skin. Dry skin, brittle fur, or cracked nails can sometimes be a sign of an underlying health condition such as thyroid, kidney, or liver disease. Collagen can help keep your pet’s skin flexible and hydrated — it’s what gives the coat its natural sheen and strength. As pets age, collagen levels decline, and their skin can lose elasticity. If your cat or dog suffers from itchy, dry skin or cracked nails, adding collagen along with Amazing Omegas can really help.

How to Give Collagen to Your Cat or Dog

Ultra-Flex Collagen for cats and dogs comes in capsules, which help protect the active ingredients and maintain freshness. The powder is unflavored and works well for most pets when mixed into food.

Each bottle lasts 2–4 months for pets under 35 lbs. and about 1 month for pets over 35 lbs. For smaller pets, open the capsules and mix the contents into food once a day. Larger pets can take the capsules whole once a day.

Note: Ultra-Flex Collagen contains NEM® eggshell membrane. Pets with egg allergies should not use this product.

Daily use helps maintain flexibility, strengthen connective tissue, and support overall comfort and mobility in cats and dogs of all sizes.

Serving Size: 1 Capsule

NEM® brand eggshell membrane 500 mg

Lipase (250 FIP) 25 mg

Protease Blend (Protease and Peptidase)(68,750 HUT) 100mg

Other ingredients: Hypromellose, Beet Root Fiber and Water

MADE IN THE USA

Important: Contains eggshells. Not recommended for pets with an egg allergy.

NOTE ABOUT DOSAGE: For small pets, the Ultra-Flex Collagen capsules will need to be opened and divided for administration. If you have difficulty opening capsules, please keep this in mind before ordering.

Ultra-Flex Collagen for Pets is made using the highest quality enzymes and ingredients and is manufactured under strict cGMP (Good Manufacturing Practices) standards. These rigorous standards are applied throughout the production process, from the sourcing of the raw materials and the strict control of the production environment to the analytical tests essential to ensuring quality, safety and reliability. Ultra-Flex Collagen for Pets is manufactured with a certificate of analysis guaranteeing potency and purity. Ultra-Flex Collagen for Pets is all-natural and does not contain fillers.

NEM® Eggshell Membrane (500 mg) - Provides a natural source of collagen, glucosamine, chondroitin, and hyaluronic acid to help strengthen cartilage, cushion joints, and improve flexibility.

Protease Blend (100 mg) - Helps “unlock” and activate the NEM® collagen by breaking down proteins into smaller peptides, increasing absorption and bioavailability for faster joint support.

Lipase (25 mg) - Assists with the breakdown of fats and other nutrients, enhancing the body’s ability to absorb the collagen and maximize its benefits for connective tissue and tracheal support.

Hypromellose, Beet Root Fiber & Water - Natural, non-active ingredients used to maintain capsule integrity and ensure even distribution of the active ingredients.