Food Safety Report: Costco Wholesale, Gemini Place, Columbus, OH, USA 1 year ago • details 60 Comments Comment Suspected food poisoning. Symptoms: Diarrhea Suspected source: Peanut butter was chocolate pie Onset: 4 to 12 hours Duration: 4 to 12 hours Sick: Me Additional information: Eaten multiple times with days in between and the same reaction occurred.