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Member's Mark Extra Strength Turmeric Extract supplement bottle
Member's Mark

Extra Strength Turmeric Extract Review

What We Researched
4 active ingredients analyzed · 7 inactive ingredients decoded · 5 brand certifications checked · Page generated: Sep 2026
93
Product Score Excellent
96
Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Curcumin C3 Complex® Turmeric (Curcuma longa 700 mg —
BioPerine® Black Pepper (fruit) extract 2.5 mg —
Standardized to 95% Total Curcuminoids 665 mg —
Curcumin 500 mg —
Bioavailability Excellent

Absorption Rating

  • Curcumin C3 Complex® Turmeric (Curcuma longa Good
  • BioPerine® Black Pepper (fruit) extract Good
  • Standardized to 95% Total Curcuminoids Good
  • Curcumin Good
Other Ingredients Excellent

Fillers & Additives

  • Hypromellose
  • Microcrystalline Cellulose
  • Magnesium Stearate
  • Calcium Silicate
  • Stearic Acid
  • Purified Water
  • Silica
Efficacy Very Good

Dosage Analysis

  • Curcumin C3 Complex® Turmeric (Curcuma longa 700 mg Effective
  • BioPerine® Black Pepper (fruit) extract 2.5 mg Under-dosed
  • Standardized to 95% Total Curcuminoids 665 mg Effective
  • Curcumin 500 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Curcumin C3 Complex® Turmeric (Curcuma longa 700 mg
BioPerine® Black Pepper (fruit) extract 2.5 mg
Standardized to 95% Total Curcuminoids 665 mg
Curcumin 500 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Microcrystalline Cellulose Safe

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

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Calcium Silicate Safe

Prevents ingredient clumping during manufacturing.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Purified Water Safe

Dissolves and carries water-soluble ingredients.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Brand Trust Report
Member's Mark

Founded 1998 · Bentonville, Arkansas, USA · 76 products · samsclub.com/c/members-mark/7230141

Certifications

5 certifications
Consumerlab Source available Primary evidence
Usda Organic Source available Primary evidence
Vegan Certified Source available Primary evidence
USP Verified Supporting evidence unavailable
Non-GMO Project Verified Supporting evidence unavailable

Transparency

3 claims
Third Party Testing Claim — Claimed Brand claim; evidence unavailable
Contains Proprietary Blend — True Brand claim; evidence unavailable

Violation History

1 incident
Lawsuit The lawsuit alleges that the product was falsely advertised as containing 500 mg of 'standardized extract' of 'turmeric curcumin complex' with '95% Standardized Turmeric (Curcuma longa) Extract,' implying 475 mg of curcuminoids. However, testing by ConsumerLab.com reportedly found only 9.7 mg of curcuminoids per serving.2023 Source available Primary source
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Frequently Asked Questions
Is Member's Mark Extra Strength Turmeric Extract a good supplement?

Member's Mark Extra Strength Turmeric Extract received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 4 active ingredients with 180 servings per container. All 7 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Member's Mark, holds a brand trust score of 96/100.

What are the ingredients in Member's Mark Extra Strength Turmeric Extract?

Member's Mark Extra Strength Turmeric Extract contains 4 active ingredients: Curcumin C3 Complex® Turmeric (Curcuma longa (700 mg), BioPerine® Black Pepper (fruit) extract (2.5 mg), Standardized to 95% Total Curcuminoids (665 mg), Curcumin (500 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Member's Mark Extra Strength Turmeric Extract safe to take?

GoodSupp reviewed the inactive-ingredient data available for Member's Mark Extra Strength Turmeric Extract. All 7 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Member's Mark a trustworthy supplement brand?

Member's Mark receives a brand trust score of 96/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1998 and headquartered in Bentonville, Arkansas, USA, the company offers 76 products in their lineup. Note: Member's Mark has 1 historical regulatory incident on record, which are factored into the trust score.

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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 — read our methodology. 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.