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The Bottom Line
For most households, refrigerating opened ketchup is a simple way to preserve its quality and extend its shelf life. There is no general medical warning advising people not to keep ketchup in the refrigerator.
Final Thoughts
Not every alarming post reflects a genuine health concern. Everyday products like ketchup can become the subject of viral myths, but reliable guidance usually comes from food safety experts, product manufacturers, and public health organizations—not from incomplete headlines ending with “See More.”
The next time a food-storage claim goes viral, take a moment to check the facts before changing your kitchen routine.
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