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If you are reading this it is probably because your cat has arthritis and you have two choices- pharmaceuticals, like steroids and NSAIDS, or nutraceuticals (natural remedies). While there are many natural remedies to choose from, only Flex-N-Free, arthritis relief for cats, has a comprehensive formula to address all three joint issues: lubrication, ligament & tendon strength, and inflammation. If your aging feline companion suffers from joint aches, these supplements will help cushion them, ease pain, and improve mobility so they can start playing again. Formulated for moderate to advanced care joint health support for your cat during their young active years and as they mature into their golden ones.


  • Supports the Integrity of the Joints, the Collagen, Synovial Fluid, Ligaments, Tendons, and Bones.
  • Ingredients that promote the regrowth of ligaments and tendons
  • Helps Reduce Swelling
  • Powerful, high grade glucosamine HCL and chondroitin sulfate
  • Promotes a mobile, pain free lifestyle
  • Helps keep immune system strong and healthy



Flex-N-Free is a pleasant tasting powder that can be added to any food.

Product Info

Flex-N-Free is a unique supplement consisting of 10 clinically proven premium grade nutrients, micronutrients and minerals in their most bioavailable form. Flex-N-Free contains; Glucosamine and Chondroitin. Glucosamine can help rebuild cartilage and treat arthritis, and chondroitin is used to treat osteoarthritis. This will help support your cat’s healthy joints and connective tissue. Flex-N-Free is a pleasant tasting powder that can be added to any food.

How to Use

There is no upper limit. Flex-N-Free is safe at any level. However, there is a dosage that is right for your pet. Experiment to find that dosage.

Mix into food or liquid 1x daily. If added to dry food, wet powder with water or broth.
Up to 10lbs, give 1/2 tsp. Add 1 tsp per each additional 10lbs.
Dose should be doubled initially until signs of improved movement


Ascorbyl Palmitate (Fat soluble vitamin C) – All the benefits of vitamin C, in a water-soluble form, it’s able to be stored in the lipid cell membrane until the body is ready to put it to use. Furthermore, it has histamine lowering properties and increases lymphocyte formation.

Glucosamine HCl – a natural compound that is found in healthy cartilage. It is used to help form and repair body tissues and as your animal ages, the natural production of glucosamine in the body slows. It has been shown through many studies to alleviate pain and help rebuild cartilage. Research shows that providing supplements of glucosamine can help restore joint function and activity levels.

Chondroitin Sulfate – is a naturally occurring product found in animal cartilage. When chondroitin is added to the diet it helps to reduce the level of destructive enzymes, which accelerates cartilage destruction.

Lithothamnium – (Calcified algae) calcium supplement; absorbs water, and relieves pain (May not be suitable for cat’s with Hyperthyroid or Chronic Renal Failure)

Active-Aloe 200:1 – is the leading aloe vera for purity and biological activity. Our 200:1 extract is produced by refractance window drying the juice from the inner leaf. The result is the highest biological activity of any drying method. All the immunological activity of fresh aloe is concentrated in Active-Aloe.

Bromelain 2400 GDU (Gelatin Digesting Units) – is an enzyme with documented anti-inflammatory activity. Our bromelain is 2400 GDU (Gelatin Digesting Units), the highest potency available.

Calcium Fructo-Borate – Plant-based boron supplement

Serrazimes – is a fungal enzyme with wide ranging therapeutic benefits. It has been scientifically proven to reduce inflammation and promote joint flexibility.

Vitamin K2 (menaquinone) – has a wide variety of benefits for the circulatory system.

Argentinean Beef Liver – Rich in vital nutrients including energy producing B vitamins, extremely low in carbohydrates and serves as an excellent source of protein. It is a flavoring well liked by cats and dogs. Additionally, our “flavoring” has many health benefits. It comes from fresh, hormone-free Argentinean Beef liver carefully processed to preserve all the fragile nutritional elements.

Arabinogalactan (larch tree extract) – is a source of dietary fiber. It has potential therapeutic benefits as an immune stimulating agent. Arabinogalactan is a pre-biotic, actively fermented by intestinal microflora and is effective at increasing beneficial anaerobes such as those in Pet Flora.

Vitality Science is dedicated to the quality of our products, therefore we hand formulate each product and maintain a C of A (Certificate of Authenticity) for all ingredients. Ingredients are sourced from Germany, Argentina, and United States. We do not use any additives or any substances other than what is on the label. That is, we use no excipients, flowing agents, coloring agents, stabilizers, silicon dioxide, magnesium stearate, or unnatural substances of any kind.

Success Stories

The statements on the Testimonial pages are those of the Vitality Science Costumers only. Any statements and opinions included in these pages are not those of Vitality Science.

7 June, 2013

“My cat Mickey, a 9 year old long hair originally feral cat, seriously injured his shoulder while jumping a baby gate that was not locked. He had trouble walking and was clearly in pain. I took him to a vet specialist who took x-rays which showed his shoulder bones were grating on each other from the injury but he also had arthritis as well. Surgery wasn’t guaranteed as a solution and at $3,000 was simply not a possibility for us. I started him on the Flex n’ Free product and give it to him twice a day with meals. He still has a slight limp but is totally back to his very loving personality, running up his tall cat stand and throughout the house. My other cat Maggie is a Maine Coon and at 15 years she has also developed arthritis. She is a constant purr machine and when she stops purring I know she is in pain. I just started her on the Flex n’ Free a week ago. After just a week she walks without limping and is back to her happy purring self! Thanks for developing this very high quality product!”

Sue Waters
Dexter, MI

“After a week, we see a difference in kalleigh’s walk, still a slight limp, but so much better! thank you for a great product!”

Barbara Jastar
Jersey City, NJ


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