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Member's Mark

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

What We Researched

GoodSupp reviewed 9 sources for Member's Mark. The review did not establish additional testing or certification evidence in the sources checked.

123 products in the catalog · Last checked:

We checked company information, testing publishers, certification directories and public regulatory records.

The sources checked did not establish additional testing or certification evidence for this brand.

Company statements are identified as claims. Publisher listings and regulatory records apply to the products, facilities and dates described. A missing public listing does not establish that testing never occurred.

96
Brand Score

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 Claims

3 claims
Third Party Testing Claim — Brand claim; evidence unavailable
Contains Proprietary Blend — 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
Products by Member's Mark
Vitamin D3 50 mcg
Vitamin D3 50 mcg
Product 100 Brand 96
Vitamin D3 50 mcg
Vitamin D3 50 mcg
Product 100 Brand 96
Magnesium Glycinate with L-Theanine
Magnesium Glycinate with L-Theanine
Product 100 Brand 96
Ginkgo Biloba 120 mg
Ginkgo Biloba 120 mg
Product 100 Brand 96
Red Yeast Rice 600 mg
Red Yeast Rice 600 mg
Product 100 Brand 96
CoQ10 200 mg
CoQ10 200 mg
Product 100 Brand 96
2000 IU Vitamin D-3
2000 IU Vitamin D-3
Product 100 Brand 96
Lutein
Lutein
Product 100 Brand 96
Vitamin D-3 2000 IU
Vitamin D-3 2000 IU
Product 100 Brand 96
Vitamin K2 + D3
Vitamin K2 + D3
Product 96 Brand 96
Clinical Strength Lutein 25 mg Zeaxanthin 5 mg
Clinical Strength Lutein 25 mg Zeaxanthin 5 mg
Product 96 Brand 96
Clinical Strength Lutein & Zeaxanthin 25 mg 5 mg
Clinical Strength Lutein & Zeaxanthin 25 mg 5 mg
Product 96 Brand 96
Extra Strength Turmeric Extract
Extra Strength Turmeric Extract
Product 93 Brand 96
Vitamin D-3 5000 IU
Vitamin D-3 5000 IU
Product 93 Brand 96
5000 IU Vitamin D-3
5000 IU Vitamin D-3
Product 93 Brand 96
Vitamin E Softgels, 400 IU
Vitamin E Softgels, 400 IU
Product 93 Brand 96
Vitamin D-3 5000 IU
Vitamin D-3 5000 IU
Product 93 Brand 96
Acidophilus
Acidophilus
Product 93 Brand 96
High Absorption Turmeric Curcumin Complex
High Absorption Turmeric Curcumin Complex
Product 93 Brand 96
More from Member's Mark (showing 24 of 123)

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Frequently Asked Questions
What testing evidence is available for Member's Mark?

The September 3, 2026 review did not establish an independent testing listing in the sources checked. This does not prove that testing has never occurred.

What are the best Member's Mark supplements?

Based on GoodSupp's quality analysis, the highest-rated Member's Mark supplements are: Vitamin D3 50 mcg (score: 100/100); Vitamin D3 50 mcg (score: 100/100); Magnesium Glycinate with L-Theanine (score: 100/100). These scores are calculated from ingredient quality, dosage adequacy, bioavailability, label transparency, and inactive ingredient safety. Scores can vary significantly across a brand's product line — a high brand trust score doesn't guarantee every individual product is top-quality.

Where is Member's Mark located?

Member's Mark is headquartered in Bentonville, Arkansas, USA. The company was founded in 1998. They currently offer 76 products in their supplement lineup. Their official website is samsclub.com/c/members-mark/7230141. Manufacturing location may differ from corporate headquarters — look for GMP certification to verify manufacturing quality standards.

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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.