Kirkland Signature Organic Peanut Butter

Kirkland Signature is the private-label brand of Costco Wholesale Corporation, a major American multinational retailer. This specific organic peanut butter is a staple of their food lineup, typically sourced and manufactured within the United States using organic Valencia peanuts. The brand was launched in 1992 as a way to provide high-quality products at a lower price point than national brands. Costco maintains strict oversight of the production process to ensure consistency across its global warehouses. The brand's identity is deeply tied to the Costco membership model, representing value and quality to millions of consumers worldwide. Ownership and distribution are managed directly by Costco Wholesale, which is headquartered in Issaquah, Washington.