Tag: Kirkland signature heavy metals

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Does Costco Saigon Cinnamon Contain Lead? What Recent Tests Found

Dec 28, 2025 •

4 min read

According to a September 2024 report by Consumer Reports, Costco's Kirkland Signature organic Saigon cinnamon was found to contain 0.80 parts per million of lead. This revelation has prompted many shoppers to question the safety of this popular household spice.