Theralogix OptiFlex-G, Glucosamine Sulfate, 180 Tablets supplement bottle
Theralogix

OptiFlex-G, Glucosamine Sulfate, 180 Tablets

What We Researched
3 active ingredients analyzed · 6 inactive ingredients decoded · 4 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
79
Product Score Fair
90
Brand Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium (from dicalcium phosphate) 33 mg 3%
Sodium (from glucosamine sulfate 2NaCl) 167 mg 7%
Glucosamine Sulfate (from glucosamine sulfate 2NaCl) 1,500 mg
Bioavailability Very Good

Absorption Rating

  • Calcium (from dicalcium phosphate) Fair
  • Sodium (from glucosamine sulfate 2NaCl) Good
  • Glucosamine Sulfate (from glucosamine sulfate 2NaCl) Good
Other Ingredients Excellent

Fillers & Additives

  • Stearic Acid
  • Microcrystalline Cellulose
  • Croscarmellose Sodium
  • Magnesium Stearate
  • Silicon Dioxide
  • White film coating (hypromellose, Polydextrose, Calcium carbonate, Medium chain triglycerides)
Efficacy Poor

Dosage Analysis

  • Calcium (from dicalcium phosphate) 33 mg Under-dosed
  • Sodium (from glucosamine sulfate 2NaCl) 167 mg Under-dosed
  • Glucosamine Sulfate (from glucosamine sulfate 2NaCl) 1,500 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calcium (from dicalcium phosphate) 33 mg 3%
Sodium (from glucosamine sulfate 2NaCl) 167 mg 7%
Glucosamine Sulfate (from glucosamine sulfate 2NaCl) 1,500 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Microcrystalline Cellulose Safe

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

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

White film coating (hypromellose, Polydextrose, Calcium carbonate, Medium chain triglycerides) Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$19$18$17$16$15 Mar 12 $17.00
iHerb

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

Brand Trust Report
Theralogix

Founded 2002 · Rockville, Maryland, United States · 33 products · theralogix.com

Certifications

4 certifications
Consumerlab Verified Source
Nsf Gmp Verified Source
Fda Gmp Inspections Verified Source
Gluten Free Gfco Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed Source
Testing Lab Disclosure — Verified Source
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Frequently Asked Questions
Is Theralogix OptiFlex-G, Glucosamine Sulfate a good supplement?

Theralogix OptiFlex-G, Glucosamine Sulfate, 180 Tablets received a product quality score of 79/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 3 active ingredients with 90 servings per container. Of the 6 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, Theralogix, holds a brand trust score of 90/100 with 4 verified certifications including Consumerlab, Nsf Gmp, Fda Gmp Inspections, Gluten Free Gfco.

What are the ingredients in Theralogix OptiFlex-G, Glucosamine Sulfate?

Theralogix OptiFlex-G, Glucosamine Sulfate contains 3 active ingredients: Calcium (from dicalcium phosphate) (33 mg), Sodium (from glucosamine sulfate 2NaCl) (167 mg), Glucosamine Sulfate (from glucosamine sulfate 2NaCl) (1,500 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Theralogix OptiFlex-G, Glucosamine Sulfate safe to take?

Theralogix OptiFlex-G, Glucosamine Sulfate, 180 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.

Is Theralogix a trustworthy supplement brand?

Theralogix receives a brand trust score of 90/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2002 and headquartered in Rockville, Maryland, United States, the company offers 33 products in their lineup. They hold 4 verified certifications including Consumerlab, Nsf Gmp, Fda Gmp Inspections, Gluten Free Gfco. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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How to use turmeric?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How to take turmeric for inflammation?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

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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.