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Home > Cat Products > Flex N Free - Cat

Flex-N-Free - Cat Arthritis Pain Relief and joint Restoration

Calcium and Glucosamine Supplement

Dog Flex-N-Free
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If you are reading this because your cat has arthritis, 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 has a comprehensive formula to address all three joint issues: lubrication, ligament & tendon strength, and inflammation.

Drugs should only be considered as a last resort. It is difficult to get off drugs once you begin administering them. Also, they do not cure, they simply mask the pain. If your cat is already on drugs, they can be weaned off with Flex-N-Free. Flex-N-Free restores all aspects of joint function.

There are at least 14 different forms of arthritis. Some are quite serious; all are painful. Arthritis is one of many diseases that develop when a cat's immune system breaks down. You pet's immune system breaks down when it does not get the nutrients it needs. Thanks to Flex-N-free, most arthritis, even genetic predisposed arthritis can be mitigated without resorting to steroids or other forms of medication!

Flex-N-Free is a unique protocol consisting of 10 clinically proven premium grade nutrients, micronutrients and minerals in their most bioavailable form. It restores calcium balance, improves flexibility, and lubrication, and supports the integrity of the joint, the collagen, synovial fluid, ligaments, tendons, and bones.

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

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Product Info

Contains natural, gentle, and safe ingredients to address multiple factors for joint flexibility, bone integrity, and pain relief. The ingredients facilitate:

  • Normal calcium metabolism and deposition
  • Enhanced ligament and tendon repair and growth
  • Pain relief

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How to Use
  • Cats (10 lbs. or less) 0.5 tsp.
  • Cats over 10 lbs 1 tsp.)

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      • Ascorbyl Palmitate (Fat soluble vitamin C)
      • Glucosamine HCl
      • Chondroitin Sulfate
      • Lithothamnium (Calcified algae)
      • Active-Aloe 200:1
      • Bromelain 2400 GDU (Gelatin Digesting Units)
      • Calcium Fructo-Borate (Plant-based boron supplement)
      • Serrazimes
      • Vitamin K2 (menaquinone)
      • Argentinean Beef Liver
      • Arabinogalactan (larch tree extract)

      We formulate our own products. All our ingredients are purchased from United States sources. We maintain a C of A (Certificate of Authenticity) for all ingredients. Vitality Science does 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. 

      We manufacture so that humans, including family and friends can confidently take any of our products. Family and friends as well as customers take Pet Flora, Vital Pet Lipids, Luxolite, Herbal Anti-Inflammatory, and Soothing Solution.

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    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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    Scientific Studies


    1a. Lithothamnium improves bone strength and remineralization.
    A Mineral-Rich Extract from the Red Marine Algae Lithothamnion calcareum Preserves Bone Structure and Function in Female Mice on a Western-Style Diet, Calcified Tissue International, Volume 86, Number 4 / April, 2010
    Muhammad Nadeem Aslam, Jaclynn M. Kreider, et al.

    1b. Lithothamnium improves range of motion and reduces arthritic pain.
    A natural seaweed derived mineral supplement (Aquamin F) for knee osteoarthritis, Nutrition Journal 2009, 8:7
    Joy L Frestedt, Michael A Kuskowski, and John L Zenk

    Ascorbyl Palmitate

    1. Ascorbyl palmitate carries ascorbate into neural tissues, providing an detoxifying effect for the nervous system.
    Ascorbyl palmitate as a carrier of ascorbate into neural tissues, Journal of Biomedical Science, Volume 10, Number 2 / March, 2003, Mieczysaw Pokorski, Magdalena Marczak, Aneta Dymecka and Piotr Suchocki

    Glucosamine/ Chondroitin

    1. A review of many studies shows a high probablity of effectiveness with glucosamine and chondroitin for the treatment of osteoarthritis
    Glucosamine and Chondroitin for Treatment of Osteoarthritis A Systematic Quality Assessment and Meta-analysis, JAMA. 2000;283:1469-1475.
    Timothy E. McAlindon, DM; Michael P. LaValley, PhD; Juan P. Gulin, MD; David T. Felson, MD

    Aloe Vera

    1. Aloe Vera increases collagen content of granulated (damaged) connective tissues.
    Influence of Aloe vera on collagen characteristics in healing dermal wounds in rats, Molecular and Cellular Biochemistry, Volume 181, Numbers 1-2 / April, 1998
    Pandarinathan Chithra, G.B. Sajithlal and Gowri Chandrakasan  


    (1) Serrazimes are an analog of serrapeptase. Serrapeptase is one of the most effective natural anti-inflammatory agents, used to treat all kinds of inflammatory pain.
    Rothschild, J. Clinical use of serrapeptase: an alternative to non-steroidal anti-inflammatory agents The American Chiropractor, 1991, p.17
    Gerngross, H. Fabian, A. A reduction in postaoperative swelling. Objective measurement of swelling of the upper ankle joint in treatment with serrapeptase (German)
    Fortschr. Med. 1989, 107 (4), 67-8, 71-2
    Klein, G. Kullich, W. Short term treatment of painful osteoarthritis of the knee with oral enzymes
    Clin. Drug Invest.2000. 19(1), 15-23


    (1) Bromelain has a variety of anti-inflammatory actions, including those involving joints and ligaments.
    Therapeutic Application of Pineapple Protease
    Bitange Nipa Tochi, et al
    Pakistan Journal of Nutrition 7 (4): 513-520, 2008

    Calcium Fructo Borate

    (1) Calcium fructo borate is a novel food-based boron supplement. Boron is a critical micro-mineral for the proper deposition and regrowth of bone as shown in numerous animal and human studies.
    Todd A. Armstrong, Jerry W. Spears, Thomas D. Crenshaw, and Forrest H. Nielsen
    Boron Supplementation of a Semipurified Diet for Weanling Pigs Improves Feed Efficiency and Bone Strength Characteristics and Alters Plasma Lipid Metabolites
    Journal of Nutrition. 2000;130:2575-2581.
    Volpe SL, Taper LJ, Meacham S.
    The relationship between boron and magnesium status and bone mineral density in the human: a review.
    Magnes Res. 1993 Sep;6(3):291-6

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