Natural Balance Super Flex Back Formula Maximum Strength™, 60 Tablets supplement bottle
Natural Balance

Super Flex Back Formula Maximum Strength™, 60 Tablets

What We Researched
8 active ingredients analyzed · 4 inactive ingredients decoded · 1 brand certification checked · 1 retailer compared · Last updated: Mar 2026
68
Product Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Magnesium (as oxide) 90 mg 23%
MSM (methylsulfonylmethane) 400 mg *
Glucosamine (as HCl/sulfate) 100 mg *
Boswellin® (Boswellia serrata gum resin extract standardized to 65% total organic acids) 100 mg *
Kava Kava (piper meythysticum root extract standardized to 30% kava lactones) 100 mg *
Ginger (root) 33 mg *
Turmeric (Curcuma longa standardized root extract) 15 mg *
Protykin (Polygonum cuspidatum root extract standardized to 50% trans-resveratrol) 5.4 mg *
Bioavailability Good

Absorption Rating

  • Magnesium (as oxide) Good
  • MSM (methylsulfonylmethane) Good
  • Glucosamine (as HCl/sulfate) Fair
  • Boswellin® (Boswellia serrata gum resin extract standardized to 65% total organic acids) Good
  • Kava Kava (piper meythysticum root extract standardized to 30% kava lactones) Fair
  • Ginger (root) Fair
  • Turmeric (Curcuma longa standardized root extract) Poor
  • Protykin (Polygonum cuspidatum root extract standardized to 50% trans-resveratrol) Fair
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Cellulose Gum
  • Magnesium Stearate
  • Stearic acid and silicon dioxide
Efficacy Very Poor

Dosage Analysis

  • Magnesium (as oxide) 90 mg Under-dosed
  • MSM (methylsulfonylmethane) 400 mg Under-dosed
  • Glucosamine (as HCl/sulfate) 100 mg Under-dosed
  • Boswellin® (Boswellia serrata gum resin extract standardized to 65% total organic acids) 100 mg Under-dosed
  • Kava Kava (piper meythysticum root extract standardized to 30% kava lactones) 100 mg Effective
  • Ginger (root) 33 mg Under-dosed
  • Turmeric (Curcuma longa standardized root extract) 15 mg Under-dosed
  • Protykin (Polygonum cuspidatum root extract standardized to 50% trans-resveratrol) 5.4 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Magnesium (as oxide) 90 mg 23%
MSM (methylsulfonylmethane) 400 mg *
Glucosamine (as HCl/sulfate) 100 mg *
Boswellin® (Boswellia serrata gum resin extract standardized to 65% total organic acids) 100 mg *
Kava Kava (piper meythysticum root extract standardized to 30% kava lactones) 100 mg *
Ginger (root) 33 mg *
Turmeric (Curcuma longa standardized root extract) 15 mg *
Protykin (Polygonum cuspidatum root extract standardized to 50% trans-resveratrol) 5.4 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Cellulose Gum Safe

Thickens and stabilizes supplement formulations.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Stearic acid and silicon dioxide Unknown

Price Comparison

Vitacost $25.19 $0.42 / serving
Best Price

Price History

Tracked across major retailers. Updated periodically.

$27$26$25$24$23 Mar 12 $25.19
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Natural Balance

Founded 1983 · Salt Lake City, UT, USA · 42 products · naturalbalance.com

Certifications

1 certification
Nsf Gmp Verified Source
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Frequently Asked Questions
Is Natural Balance Super Flex Back Formula Maximum Strength™, 60 Tablets a good supplement?

Natural Balance Super Flex Back Formula Maximum Strength™, 60 Tablets received a product quality score of 68/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 8 active ingredients with 60 servings per container. Of the 4 inactive ingredients, 3 are rated safe and 0 are flagged for review.

What are the ingredients in Natural Balance Super Flex Back Formula Maximum Strength™, 60 Tablets?

Natural Balance Super Flex Back Formula Maximum Strength™, 60 Tablets contains 8 active ingredients: Magnesium (as oxide) (90 mg), MSM (methylsulfonylmethane) (400 mg), Glucosamine (as HCl/sulfate) (100 mg), Boswellin® (Boswellia serrata gum resin extract standardized to 65% total organic acids) (100 mg), Kava Kava (piper meythysticum root extract standardized to 30% kava lactones) (100 mg), Ginger (root) (33 mg), and 2 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Natural Balance Super Flex Back Formula Maximum Strength™, 60 Tablets safe to take?

Natural Balance Super Flex Back Formula Maximum Strength™, 60 Tablets has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.