Food Safety Report: Starbucks, Van Nuys Boulevard, Van Nuys, CA, USA 2 years ago • details 50 Comments Comment Suspected food poisoning. Symptoms: Nausea, Vomiting, Stomach Pain, Cramps, Chills Suspected source: Spinach and feta cheese sandwich at Starbucks Onset: 12 to 24 hours Duration: 4 to 12 hours Sick: A loved one