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Performance Lab Flex Review 2024 For Joint Health & Flexibility

Mitchelle Morgan

Updated on - Written by
Medically reviewed by Dr G. Michael DiLeo, MD

All articles are produced independently. When you click our links for purchasing products, we earn an affiliate commission. Learn more about how we earn revenue by reading our advertise disclaimer.

Performance Lab Flex reviews

9.0

Quality

10.0

Support Research

9.0

Reputation

8.0

Price

Features

  • Offer joint lubrication and flexibility.
  • It supports tendons, ligaments, and cartilage.
  • It is a herbal joint remedy.
  • The capsules are made with natural prebiotic fiber.
  • These joint capsules are easy to swallow.
  • It is vegan-friendly.
  • It is GMO, caffeine, soy, synthetic additives, allergen, and gluten-free.

Brand Information

  • Owned by Opti-Nutra Ltd.
  • Company was incorporated in 2015.

Medical Benefits

  • Lubricates joints.
  • Improves cartilage shock absorption.
  • Nourishes limber function and repair.
  • Protects against radical damage.

Did you know that joint pain is one of the most common ailments of the skeletal system?

And the most worrying part is that joint pain can have various causes and affect numerous joints in the body. You might feel pain in your knees, shoulder joints, finger joints, and hip region. According to a survey conducted by the Centers for Disease Control (CDC), the resulting QuickStats[1] highlighted these percentages of adults who experience specific joint pains:

●       Knee joint 18%

●       Shoulder pain 9%

●       Finger joint 7%

●       Hip joint pain 7%

The most common joint pain causes are aging and arthritis. As a matter of fact, 15 million people[2] with arthritis complain of getting associated with severe joint pain. Repetitive motion, persistent aberrant posture, and injury are additional reasons for joint pain, even in non-arthritic joints.

And it is for these reasons that you may need the best joint supplement. Luckily this is a Performance Lab Flex review. So read on to learn more.

About The Brand

Some of the claims that the Performance Lab Flex formula makes are that it eases joint stiffness, offers joint lubrication, offers cartilage support, and increases all joint function. The brand promises improved physical performance and overall physical and mental health. Pain has a detrimental effect on the body, so using this supplement that supports joint health significantly increases your quality of life, which can also positively impact your mental status.

Opti-Nutra Ltd. owns this joint support supplement, which was launched in 2015. Each batch is devoid of any synthetic additives, genetically modified organisms (GMOs), gluten, soy, dairy, and other allergens. It is also non-caffeinated, unlike other joint supplements available, so you will not lose sleep or feel the jitters after use. Performance Lab Flex is vegan-friendly, made in easy-to-swallow pills that are relatively smaller than most supplements that pose a choking hazard.

What Is Performance Lab Flex?

As was indicated before, this plant-based dietary supplement can assist consumers in maintaining joint function. The formula generally targets several joints across the body in addition to the flexibility pathways. 

These are the unique selling points that the manufacturer of this joint support supplement touts in their advertising and marketing materials:

  • To offer Comfort: The supplement provides a soothing effect to stiff and achy joints.
  • To offer Bone Protection: It offers antioxidant support to eradicate free radicals and damaging enzymes.
  • To offer Bone Lubrication: It offers synovial fluid support to provide optimal joint mobility.
  • To offer Bone Strength: It does this by supporting bone density.
  • To promote Shock Absorption: Performance Lab offers your cartilage hydration to keep it flexible and healthy.
  • To offer Resilience: This formula provides limber support and healthy repairs.

Feature Product & Coupon

Performance Lab Flex reviews

Best Reputation

Performance Lab Flex

  • Offer joint lubrication and flexibility.
  • It supports tendons, ligaments, and cartilage.
  • It is a herbal joint remedy.
  • The capsules are made with natural prebiotic fiber.
  • These joint capsules are easy to swallow.
  • It is vegan-friendly.
  • It is GMO, caffeine, soy, synthetic additives, allergen, and gluten-free.

Does It Really Work?

When it comes to gauging if a joint supplement is indeed the best at promoting joint health, it always goes beyond the formula of the ingredients.

Some factors that may determine the effectiveness of any joint support product, including Performance Lab Flex, are

Your overall health: A comprehensive medical report on your health highlights the cause of the joint pain, and your physician determines the best approach to offer active joint strategies.

The brand’s reputation: A company with good reviews and online ratings is the best to use.

The product’s ingredients: You should typically go for the natural ingredient lists that are non-GMO, allergen-free, and devoid of synthetic additives. Also, check for sugar content and extra ingredients like gum resin and how they may interact with the main ingredients.

When you apply the requirements described above to determine whether or not Performance Lab Flex is appropriate and likely to be beneficial, you can utilize the two latter points.

Regarding the second criterion, which is about a brand’s reputation, Performance Lab has an overall positive relationship with the vast majority of its customers. One of the indicators that they are a reputable brand is that they carry a comprehensive selection of products manufactured by Performance Lab. There are dietary supplements explicitly geared toward men and women and for sleep.

The third and final point regarding components is that the Performance Lab recipe is made entirely from natural elements. In addition, it is free of allergens, GMO ingredients, and artificial chemicals. Important factors are your overall health and the underlying condition(s) causing the joint discomfort. 

Therefore, Performance Lab may work for you as soon as you obtain clearance from your physician, use it for the purpose it was designed for, and regularly adhere to the recommended dosages.

Performance Lab Flex Ingredients

Performance Lab Flex offers longer-lasting joint relief from its unique blend of AprèsFlex® Boswellia serrata 100 mg, CurcuWIN® curcumin 250 mg, glucosamine sulfate 500 mg, Phytodroitin™ 100 mg, and OptiMSM® methylsulfonylmethane (MSM) 100mg.

All these ingredients are clinically proven, non-GMO, gluten-free, and allergen-free. The huge difference this brand brings to the competition is the extensive scientific research that they rely on to support its claims. We shall highlight more of the individual ingredients in the next section.

Performance Lab Flex Ingredients

Here is the complete breakdown of each ingredient’s specific health benefits that help reduce joint aches:

CurcuWIN® Curcumin

Turmeric has recently gotten much attention because it is thought to have powerful antioxidants[3], anti-inflammatory[4], and possibly anti-cancer properties[5]. Curcumin, a plant pigment that gives turmeric its yellow or mustard color, is the main thing that provides turmeric with these benefits.

But because cooking doesn’t usually give the body much curcumin, many Performance Lab Flex product reviews (and the brand itself) claim that Opti-own Nutra’s CurcuWIN® Curcumin is a powerful supplement that is more bioavailable.

AprèsFlex® Boswellia Serrata

Strong anti-inflammatory qualities[6] have been attributed to Indian frankincense (Boswellia). Boswellia has been demonstrated in more thorough Performance Lab Flex product reviews to lessen joint discomfort by limiting the capacity of the enzyme 5-lipoxygenase[7] to harm and break down cartilage progressively.

We are most impressed by the way Opti-Nutra® has created its own composition again, AprèsFlex® Boswellia serrata, which the brand claims have a body absorption rate 52% higher than that of normal Boswellia. Used with CurcuWIN® curcumin, the company purports it is an essential combination for calming and reducing joint pain.

Glucosamine Sulfate 2KCI (from corn)

Look through most Performance Lab Flex reviews and other nutritional joint supplements. You will find that glucosamine sulfate is the critical structural nutrient in many joint supplements.

Joint cartilage, tendons, ligaments, and the fluid that fills the joints all contain this element in high amounts. It’s a non-essential amino sugar acid found in cell tissue that aids in lubricating and cushioning joints[8].

This Performance Lab Flex supplement has a very high concentration of glucosamine per dose for a joint supplement. Their unique glucosamine sulfate 2KCL composition is made from corn instead of the most common shellfish, which is excellent for vegans.

Not all studies[9] of glucosamine have shown advantages over placebos, and several product reviews pointed out that it’s hard to tell how well it works on its own because it’s often taken with other compounds, like chondroitin.

Phytodroitin™

A combination of seaweed extracts makes up Phytodroitin™, a plant-based substitute for chondroitin, which generally comes from shark cartilage. The main distinction between this mix and the shark cartilage formulation is that the seaweed extracts are entirely vegan.

Popular products centered on sports performance frequently use this component. It seems effective in mitigating pain in those with rheumatoid arthritis and osteoarthritis[10] but not necessarily in improving function. Additionally, PhytodroitinTM provides overall bone and joint health solutions and is better suited to serving elderly clients.

OptiMSM® Methylsulfonylmethane (MSM)

Methylsulfonylmethane (MSM) is a crucial nutrient for chondroitin, glucosamine, and healthy collagen production and is necessary for developing and repairing cartilage.

A tremendous joint supplement stack for preserving joint function combines MSM with its unique mix of glucosamine and Phytodroitin™ (chondroitin sulfate substitute). Some studies[11] have shown that this ingredient decreases knee pain and joint inflammation. It also has an antioxidant capacity to reduce oxidative stress. These make it a viable choice for people looking for knee joint supplements and the precursors that lead to joint pain.

Early study suggests the potential for the delay of joint deterioration[12]

Pros

  • It is a vegan product.
  • The formula is clinically proven with scientific evidence for effectiveness.
  • It is devoid of any synthetic additives.
  • It is non-GMO, gluten-free, and allergen-free.
  • It can reduce joint pain.
  • It eases stiff joints.
  • It improves physical activity.
  • The brand provides evidence-backed joint stacks at discounts.

Cons

  • It contains proprietary blends.
  • It is an expensive joint health supplement.

Alternatives To Performance Lab Flex

1MD Move MD

1MD Move MD

See 1MD Move MD Review

  • Promotes healthy joints
  • Clinically proven ingredients
  • Maintain connective tissues health
  • It is expensive.

physio flex pro

Physio Flex Pro

See Physio Flex Pro Review

  • Natural ingredients.
  • Nourishes and lubricates joints
  • Relieves pain and protects the cartilage
  • It may be mild for severe joint pain.
relief factor

Relief Factor

See Relief Factor Review

  • Contains fish oil and botanical ingredients.
  • Reduces joint aches and pain
  • It offers convenient joint supplement packages.
  • This joint supplement may have traces of soy.

Health Benefits Of Performance Lab Flex

When you buy Performance Lab Flex, you may anticipate receiving the following health benefits due to the natural ingredients included in its formulation that provide joint support”

  • Lubricated and cushioned cartilage
  • Healthy cartilage growth
  • Less joint deterioration
  • Less stiffness of joints
  • Less joint inflammation
  • Better joint mobility and flexibility
  • Improved physical activity

Potential Side Effects

In as much as Performance Lab utilizes natural ingredients, there may be some instances that a side effect may occur. The first scenario is when you unknowingly take a joint supplement to alleviate joint discomfort but are allergic to one or more substances in the supplement.

The second possibility is that you accidentally overuse the substance. Some adverse consequences may include stomach upset, diarrhea, constipation, and heartburn.

If you experience these adverse effects to an extreme degree, you should stop taking the supplement immediately and seek professional medical assistance. While you may be promised a significant reduction in the pain associated with arthritis or injury if you use it, still, if it causes you to harm you would be better off utilizing one of the other options.

Performance Lab Flex Review: What Do Real Users Say?

The Performance Lab website has a plethora of client remarks, and here are the most recent ones:

“When I first started taking Flex, it helped ease and reduce the back pain I was having. I still take it to moderate any discomfort I occasionally have. It has really helped.”

Larry B

“I absolutely love it.”

Borge

“I have arthritis in my left knee and a previous meniscus tear/repair. I was having unbearable pain in my knee until I took a chance on this product. I take this daily and this has eliminated the pain in my left knee.”

James W

“I have been getting cortisone shots in my shoulder. They last about 3 months. I have been taking flex for a month, and my shoulder pain is not progressing. Too early to be sure, but optimistic.”

Don W

“I’ve been suffering from lower back pain for many years. Having started taking 2 tablets per day, I’ve notice some relief recently. However, only time will tell as to the long term benefits. I will be ordering some more in the meantime. Will write another review in about 3 months time.”

Michael J

Based on these comments, it is reasonable to assume that this supplement and any other similar product may not function quickly or as expected. In the vast spectrum of human biology, various people react in different ways and at varying rates due to specific qualities,  such as body weight, the current state of health, and many other factors.

Before trying to get relief from your joint discomfort with Performance Lab Flex, it is strongly recommended that you first consult a qualified medical practitioner for professional medical advice. It would be best if you also stuck to the dosage as your doctor instructs.

Final Thought

Performance Lab Flex is one of many products by this renowned company that is backed by scientific evidence. The ingredients are all proprietary ingredients that offer optimized bone health.

It can be used to ease shoulder, hip, finger, and knee pain. To get to this point, you are advised by the company to consume two capsules daily and stick to a diet that adds a few vitamins, minerals, and antioxidants from a balanced diet.

When it comes to Performance Lab Flex cost, a one-month supply is $69, a two-month supply is $138, and a three months supply is $207—compared to prices of competing brands, it is a bit on the higher side. But if you can foot the bill, we think Performance Lab Flex’s worth will prove it reasonable. The great news is that even if it does not work for you in 60 days, you may return Performance Lab Flex and get a full refund (minus shipping fees).

Based on scientific evidence on the ingredients, it may reduce pain, ease inflammation, encourage healthy cartilage, and add flexibility to joints. Consult a dietitian before taking the supplement.

Frequently Asked Questions

How should you take Performance Lab Flex?

You should take two capsules of the Performance Lab daily for the best results.

How much does Performance Lab Flex cost?

The one-month supply costs $69; two months, $138; and three months, costs $207.

Does Performance Lab Flex have side effects?

Some people may experience mild stomach upset, nausea, constipation, or diarrhea.

Is Performance Lab Flex vegan-friendly?

Yes, it is.


+ 12 sources

Health Canal avoids using tertiary references. We have strict sourcing guidelines and rely on peer-reviewed studies, academic researches from medical associations and institutions. To ensure the accuracy of articles in Health Canal, you can read more about the editorial process here

  1. Anon, (2022). QuickStats: Percentage of Adults Reporting Joint Pain or Stiffness, — National Health Interview Survey,� United States, 2006. [online] Available at: https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5717a9.htm
  2. Anon, (2022). Joint Pain and Arthritis. [online] Available at: https://www.cdc.gov/arthritis/pain/index.htm#:~:text=Chronic%20pain%20caused%20by%20arthritis,joint%20pain%20related%20to%20arthritis.&text=Additionally%2C%20nearly%20half%20of%20adults%20with%20arthritis%20have%20persistent%20pain.
  3. Jamali, N., Adib-Hajbaghery, M. and Soleimani, A. (2020). The effect of curcumin ointment on knee pain in older adults with osteoarthritis: a randomized placebo trial. BMC Complementary Medicine and Therapies, [online] 20(1). doi:10.1186/s12906-020-03105-0.
  4. Daily, J.W., Yang, M. and Park, S. (2016). Efficacy of Turmeric Extracts and Curcumin for Alleviating the Symptoms of Joint Arthritis: A Systematic Review and Meta-Analysis of Randomized Clinical Trials. Journal of Medicinal Food, [online] 19(8), pp.717–729. doi:10.1089/jmf.2016.3705.
  5. Tomeh, M., Hadianamrei, R. and Zhao, X. (2019). A Review of Curcumin and Its Derivatives as Anticancer Agents. International Journal of Molecular Sciences, [online] 20(5), p.1033. doi:10.3390/ijms20051033.
  6. Yu, G., Xiang, W., Zhang, T., Zeng, L., Yang, K. and Li, J. (2020). Effectiveness of Boswellia and Boswellia extract for osteoarthritis patients: a systematic review and meta-analysis. BMC Complementary Medicine and Therapies, [online] 20(1). doi:10.1186/s12906-020-02985-6.
  7. Ulf Siemoneit, Pergola, C., Jazzar, B. and Werz, O. (2009). On the interference of boswellic acids with 5-lipoxygenase: Mechanistic studies in vitro and… [online] ResearchGate. Available at: https://www.researchgate.net/publication/24305956_On_the_interference_of_boswellic_acids_with_5-lipoxygenase_Mechanistic_studies_in_vitro_and_pharmacological_relevance
  8. Jerosch, J. (2011). Effects of Glucosamine and Chondroitin Sulfate on Cartilage Metabolism in OA: Outlook on Other Nutrient Partners Especially Omega-3 Fatty Acids. International Journal of Rheumatology, [online] 2011, pp.1–17. doi:10.1155/2011/969012.
  9. Vlad, S.C., LaValley, M.P., McAlindon, T.E. and Felson, D.T. (2007). Glucosamine for pain in osteoarthritis: Why do trial results differ? Arthritis & Rheumatism, [online] 56(7), pp.2267–2277. doi:10.1002/art.22728.
  10. Singh, J.A., Noorbaloochi, S., MacDonald, R. and Maxwell, L.J. (2015). Chondroitin for osteoarthritis. Cochrane Database of Systematic Reviews, [online] 2016(4). doi:10.1002/14651858.cd005614.pub2.
  11. Butawan, M., Benjamin, R. and Bloomer, R. (2017). Methylsulfonylmethane: Applications and Safety of a Novel Dietary Supplement. Nutrients, [online] 9(3), p.290. doi:10.3390/nu9030290.
  12. Pagonis, T.A., Givissis, P.A., Kritis, A.C. and Christodoulou, A.C. (2014). The Effect of Methylsulfonylmethane on Osteoarthritic Large Joints and Mobility. International Journal of Orthopaedics, [online] 1(1), pp.19–24. doi:10.6051/ijo.v1i1.745.
Mitchelle Morgan

Medically reviewed by:

Michael DiLeo

Mitchelle Morgan is a health and wellness writer with over 10 years of experience. She holds a Master's in Communication. Her mission is to provide readers with information that helps them live a better lifestyle. All her work is backed by scientific evidence to ensure readers get valuable and actionable content.

Medically reviewed by:

Michael DiLeo

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