Food Safety Report: Cinnamon toast crunch, Costco Wholesale, Wellington Road South, London, Ontario, Canada 2 years ago • details 11 Comments Comment Suspected food poisoning. Symptoms: Nausea, Cramps, Chills, Headache Suspected source: Cinnamon toast crunch Onset: 1 to 2 days Duration: 12 to 24 hours Sick: A loved one