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Home > Dog Products > Flex N Free - Dog

Flex-N-Free - Dog Arthritis Relief and joint Restoration

Calcium and Glucosamine Supplement

Dog Flex-N-Free
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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.

If you are reading this because your dog 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 dog 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 dog’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, like hip displasya, can be mitigated without resorting to steroids or other forms of medication!

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
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.

  • 1-20 lbs........ 0.5 tsp.
  • 20-40 lbs.......... 1 tsp.
  • 40-60 lbs...........2 tsp.
  • 60-100 lbs........ 1 Tbl.

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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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" I also ordered the Combo Canine Flex Lipids for our 8ish year old pound scrounge named Tater Tot who tore his ACL on both his back legs. He was on another brand of glucosamine/conjointin pill and was doing OK but not great on it. Tater Tot has also shown much improvement on the Combo Canine Flex Lipids program. He still is sore sometimes when he runs and plays too much but he's much brighter and his back legs definitely seem to bother him less. Those torn ACL's are a bugger. The only other option for him was surgery which I wasn't too keen on because of the cost and who knows how he'll do even if he did have the surgery. Thank you, Vitality Science for great products and great customer service. It's nice to call and actually get a human who knows the products and can answer all your questions. I've already recommended VS to my dad."

Juliet Doty
Fresno, CA

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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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