Doctor's Best Glucosamine, 180 Capsules (750 mg per Capsule) supplement bottle
Doctor's Best

Glucosamine, 180 Capsules (750 mg per Capsule)

What We Researched
3 active ingredients analyzed · 4 inactive ingredients decoded · 1 brand certification checked · 3 retailers compared · Last updated: Mar 2026
79
Product Score Fair
61
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Chloride (from glucosamine hydrochloride potassium sulfate) 172 mg 7%
Potassium (from glucosamine hydrochloride potassium sulfate) 190 mg 4%
Glucosamine Hydrochloride Potassium Sulfate 1500 mg
Bioavailability Very Good

Absorption Rating

  • Chloride (from glucosamine hydrochloride potassium sulfate) Good
  • Potassium (from glucosamine hydrochloride potassium sulfate) Good
  • Glucosamine Hydrochloride Potassium Sulfate Fair
Other Ingredients Excellent

Fillers & Additives

  • Gelatin (Capsule)
  • Microcrystalline Cellulose
  • Magnesium Stearate (Vegetable Source)
  • Silicon Dioxide
Efficacy Poor

Dosage Analysis

  • Chloride (from glucosamine hydrochloride potassium sulfate) 172 mg Under-dosed
  • Potassium (from glucosamine hydrochloride potassium sulfate) 190 mg Under-dosed
  • Glucosamine Hydrochloride Potassium Sulfate 1500 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Chloride (from glucosamine hydrochloride potassium sulfate) 172 mg 7%
Potassium (from glucosamine hydrochloride potassium sulfate) 190 mg 4%
Glucosamine Hydrochloride Potassium Sulfate 1500 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin (Capsule) Safe

It is used as a material for making capsules.

Microcrystalline Cellulose Safe

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

Magnesium Stearate (Vegetable Source) Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$17$16$15$14$13 Mar 12 $14.99$14.99
iHerb
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
Doctor's Best

Founded 1990 · Tustin, California, USA · 186 products · doctorsbest.com

Certifications

1 certification
Fda Gmp Inspections Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source

Violation History

1 incident
Recall Red Yeast Rice2014-06-26Source
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Frequently Asked Questions
Is Doctor's Best Glucosamine, 180 Capsules (750 mg per Capsule) a good supplement?

Doctor's Best Glucosamine, 180 Capsules (750 mg per Capsule) 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 4 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Doctor's Best, holds a brand trust score of 61/100 with 1 verified certifications including Fda Gmp Inspections.

What are the ingredients in Doctor's Best Glucosamine, 180 Capsules (750 mg per Capsule)?

Doctor's Best Glucosamine, 180 Capsules (750 mg per Capsule) contains 3 active ingredients: Chloride (from glucosamine hydrochloride potassium sulfate) (172 mg), Potassium (from glucosamine hydrochloride potassium sulfate) (190 mg), Glucosamine Hydrochloride Potassium Sulfate (1500 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Doctor's Best Glucosamine, 180 Capsules (750 mg per Capsule) safe to take?

Doctor's Best Glucosamine, 180 Capsules (750 mg per Capsule) 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 Doctor's Best a trustworthy supplement brand?

Doctor's Best receives a brand trust score of 61/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1990 and headquartered in Tustin, California, USA, the company offers 186 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Doctor's Best has 1 historical regulatory incident on record, which are factored into the trust score.

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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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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.