Kirkland Signature

Founded 1995 · Issaquah, Washington, United States · 26 products · costco.com/kirkland-signature.html

Certifications

6 certifications
Consumerlab Verified
Non Gmo Project Verified
Usda Organic Verified
Usp Verified Verified Source
Gluten Free Gfco Verified
Vegan Certified Verified

Violation History

3 incidents
Lawsuit Falsely advertising rotisserie chicken as containing 'no preservatives'2026Source
Recall Kirkland Signature B100 Complex Timed Release2025-03-31Source
Recall Kirkland Signature Severe Cold and Flu Plus Congestion2024-11-30Source
Products by Kirkland Signature (showing 6 of 16)
Vitamin D3
Vitamin D3
Product 66 Brand 82
Kirkland Signature One Per Day Super B-complex With Electrolytes,500 Tablets
Kirkland Signature One Per Day Super B-complex With Electrolytes,500 Tablets
Product 57 Brand 82
Children's Complete Multivitamin Gummies
Children's Complete Multivitamin Gummies
Product 57 Brand 82
Chewable C Tangy Orange Taste
Chewable C Tangy Orange Taste
Product 56 Brand 82
Adult Gummies C
Adult Gummies C
Product 53 Brand 82
Optifiber Prebiotic Fiber Supplement
Optifiber Prebiotic Fiber Supplement
Product 33 Brand 82

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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.