Tag: Kirkland peanut butter

According to product listings on Costco's and other retail sites, some versions of Kirkland Signature Natural peanut butter contain just one ingredient: 100% dry-roasted Valencia peanuts. This minimalist approach is a key feature, so what are the ingredients in Costco Kirkland peanut butter across its different varieties?

A recent independent lab test conducted on a sample of Kirkland organic peanut butter found no detectable levels of aflatoxins, confirming high safety standards for consumers. This reassurance addresses a key consumer concern regarding the potential presence of these naturally occurring fungal toxins in food products.