Should You Refrigerate Ketchup After Opening?

When grocery shopping, some items are refrigerated, others frozen, and many are stored at room temperature. However, not all shelf-stable foods remain unrefrigerated after opening. Many products carry a small “refrigerate after opening” label that often goes unnoticed. Ketchup, for example, is typically found on store shelves, but Heinz recommends refrigerating it after opening. Their bottles even state, “For best results refrigerate after opening.” Recently, Heinz sparked a debate by tweeting, “FYI: Ketchup. goes. in. the. fridge!!!” A poll they conducted revealed that 63.2% of people refrigerate ketchup, while 36.8% keep it in the cupboard. Those who store ketchup in the cupboard remain vocal about their choice