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      Why Maximum Flex?

      Living with arthritis can make life very difficult, from walking long distances to dealing with the constant pain in the joints.

      Because there is no cure for arthritis, many people convince themselves that this is their new life and they have to endure these new conditions. Or worse, they take pill after pill to numb the pain and risk getting much worse medical conditions.

      Maximum Flex - pain relief, rheumatic arthritis

      healthy joint rheumatoid arthritis

      Whether you're suffering from osteoarthritis or rheumatoid arthritis - the truth is that there is no easy solution that can get you rid of the pain. The answer is in the long-term solutions. And a completely natural and efficient product like MaximumFlex will help you live with arthritis, without the added dangerous side effects of conventional medicine.

      supplement frankincense pain relief

      But that doesn’t have to be you. If you want to improve the symptoms of arthritis, research shows that some natural ingredients can have beneficial effects on joint pain.

      The Cell Grail team designed a custom supplement formula that harvests the anti-inflammatory powers of eight premium ingredients which can help improve your quality of life significantly.

      Maximum Flex is a premium blend of anti-inflammatory ingredients that help relieve joint pain, improve mobility, and prevent the aggravation of osteoarthritis and rheumatoid arthritis. This daily supplement goes right to the root of the problem and assists bone health long-term.

      Maximum Flex

      Top 4 Signs You Need Maximum Flex

      We recommend you take Maximum Flex if:

      • You deal with joint pain on a daily basis
      • Your joints get often swollen
      • Your joint mobility has been affected by arthritis
      • You want to prevent your arthritis from getting worse

      Active Ingredients

      Our team tested over 50 ingredients with anti-inflammatory properties and chose only the ones with the best results.

      These all have been shown to have remarkable benefits for people with arthritis, and they work together to fight against pain, swelling, and stiffness in the joints. The star ingredients that MaximumFlex contains are:

      Glucosamine sulfate

      Tests made on glucosamine sulfate show that it’s highly efficient in relieving pain, as well as slowing down the progression of arthritis if taken for more than one year. This compound is a great alternative to prescription pain meds, having similar benefits, but no side effects.

      Chondroitin sulfate

      Chondroitin sulfate has also been shown to reduce pain from arthritis, as well as to slow down the breakdown of joints. Similar to the first ingredient, this compound also shows the best results when taken long-term.



      Frankincense is the dried sap of Boswellia trees, that contains two types of substances with strong anti-inflammatory properties: terpenes and boswellic acids. Not only does frankincense help relieve pain, but it also assists mobility in the joints and aids people with knee arthritis to walk longer distances.



      This classic remedy used in Ayurveda medicine is renowned for its anti-inflammatory properties. Tests show that curcumin, the active ingredient in turmeric powder, also has great effects on joint pain caused by arthritis.


      SERVING SIZE: 3 Capsules


      INACTIVE INGREDIENTS: Cellulose (Vegetable Capsule), Rice flour.

      CONTAINS: Shellfish.

      WARNING: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use. Discontinue use and consult your doctor if any adverse reactions occur.

      Individual results may vary.

      Daily value not established.

      Maximum Flex Supplement facts


      Read more about the ingredients in the official governmental research that supports our health claims:

      Haris S Vasiliadis and Konstantinos Tsikopoulos, "Glucosamine and chondroitin for the treatment of osteoarthritis", World J Orthop. 2017 Jan 18; 8(1): 1–11, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5241539/

      Xiaoyue Zhu et al, "Effectiveness and safety of glucosamine and chondroitin for the treatment of osteoarthritis: a meta-analysis of randomized controlled trials", J Orthop Surg Res. 2018; 13: 170, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6035477/

      Yves Henrotin et al, "Physiological effects of oral glucosamine on joint health: current status and consensus on future research priorities", BMC Res Notes. 2013; 6: 115, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3629992/

      Toru Ogata et al, "Effects of glucosamine in patients with osteoarthritis of the knee: a systematic review and meta-analysis", Clin Rheumatol. 2018; 37(9): 2479–2487, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6097075/

      M. Z. Siddiqui, "Boswellia Serrata, A Potential Antiinflammatory Agent: An Overview", Indian J Pharm Sci. 2011 May-Jun; 73(3): 255–261, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3309643/

      Martina Bertocchi, Gloria Isani et al, "Anti-Inflammatory Activity of Boswellia serrata Extracts: An In Vitro Study on Porcine Aortic Endothelial Cells", Oxid Med Cell Longev. 2018; 2018: 2504305, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6036794/

      K. Prabhavathi et al, "A randomized, double blind, placebo controlled, cross over study to evaluate the analgesic activity of Boswellia serrata in healthy volunteers using mechanical pain model", Indian J Pharmacol. 2014 Sep-Oct; 46(5): 475–479, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4175880/

      Ashok Kumar Grover and Sue E. Samson, "Benefits of antioxidant supplements for knee osteoarthritis: rationale and reality", Nutr J. 2016; 15: 1, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4700773/

      Yves Henrotin PhD et al, "Chondroitin Sulfate in the Treatment of Osteoarthritis: From in Vitro Studies to Clinical Recommendations", Ther Adv Musculoskelet Dis. 2010 Dec; 2(6): 335–348, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3383492/

      Black C et al, "The clinical effectiveness of glucosamine and chondroitin supplements in slowing or arresting progression of osteoarthritis of the knee: a systematic review and economic evaluation", Health Technol Assess. 2009 Nov;13(52):1-148, https://www.ncbi.nlm.nih.gov/pubmed/19903416

      Daily JW1, Yang M2, Park S, "Efficacy of Turmeric Extracts and Curcumin for Alleviating the Symptoms of Joint Arthritis: A Systematic Review and Meta-Analysis of Randomized Clinical Trials", J Med Food. 2016 Aug;19(8):717-29, https://www.ncbi.nlm.nih.gov/pubmed/27533649

      Susan J. Hewlings and Douglas S. Kalman, "Curcumin: A Review of Its’ Effects on Human Health", Foods. 2017 Oct; 6(10): 92, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5664031/

      Funk JL et al, "Efficacy and mechanism of action of turmeric supplements in the treatment of experimental arthritis", Arthritis Rheum. 2006 Nov;54(11):3452-64, https://www.ncbi.nlm.nih.gov/pubmed/17075840

      Janet L. Funk et al, "Turmeric Extracts Containing Curcuminoids Prevent Experimental Rheumatoid Arthritis", J Nat Prod. Author manuscript; available in PMC 2008 Sep 12, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2533857/

      Ji JJ et al, "Quercetin: a potential natural drug for adjuvant treatment of rheumatoid arthritis", Afr J Tradit Complement Altern Med. 2013 Apr 12, https://www.ncbi.nlm.nih.gov/pubmed/24146468

      Yao Li et al, "Quercetin, Inflammation and Immunity", Nutrients. 2016 Mar; 8(3): 167, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4808895/

      YOSHIE YAMAGISHI et al, "Evaluation of the effect of methionine and glucosamine on adjuvant arthritis in rats", Exp Ther Med. 2012 Oct; 4(4): 640–644, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3501438/

      Mingxin Li et al, "High-Methionine Diet Attenuates Severity of Arthritis and Modulates IGF-I Related Gene Expressions in an Adjuvant Arthritis Rats Model", Mediators Inflamm. 2016; 2016: 9280529, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5055955/

      Eytan M Debbi et al, "Efficacy of methylsulfonylmethane supplementation on osteoarthritis of the knee: a randomized controlled study", BMC Complement Altern Med. 2011; 11: 50, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3141601/

      Sarah Brien et al, "Bromelain as a Treatment for Osteoarthritis: a Review of Clinical Studies", Evid Based Complement Alternat Med. 2004 Dec; 1(3): 251–257, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC538506/

      Rajendra Pavan, Sapna Jain, Shraddha, and Ajay Kumar, "Properties and Therapeutic Application of Bromelain: A Review", Biotechnol Res Int. 2012; 2012: 976203. Published online 2012 Dec 10, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3529416/

      Walker AF1, Bundy R, Hicks SM, Middleton RW, "Bromelain reduces mild acute knee pain and improves well-being in a dose-dependent fashion in an open study of otherwise healthy adults", Phytomedicine. 2002 Dec;9(8):681-6, https://www.ncbi.nlm.nih.gov/pubmed/12587686

      Mário-Luis-Tavares Mendes et al, "Efficacy of proteolytic enzyme bromelain on health outcomes after third molar surgery. Systematic review and meta-analysis of randomized clinical trials", Med Oral Patol Oral Cir Bucal. 2019 Jan; 24(1): e61–e69, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6344017/

      Customer Reviews
      4.6 Based on 14 Reviews
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      Filter Reviews:
      Victoria E.

      noticeable results

      less swelling, less morning sitffness, even less pain. will continue taking it and recommending it to friends

      Mateo Y.

      You need to be patient

      If you're patient and take it religiousely for over a month, you'll see results. It just needs a little time to work

      Jessie D.

      It works!

      My wrists used to hurt like heck whenever it rained, but since taking Maximum Flex I haven't felt anything like that. It's so good!

      Courtney J.

      arrived late!

      this quarantine is delaying all packages, ugh!!!

      Ashley C.

      Better than others

      I have been battling my arthritis for a long time, and this is probably the best natural solution I tried - but still not as effective as prescription drugs