What if you ate the silica packets marked "do not eat"? What you would be consuming is most likely silica gel or some other desiccant — something that adsorbs (collects) and holds water vapor. These little packets are found in all sorts of products to help maintain quality.
Related Video: 10 Medical Myths You Probably Believe
The Little Packet's Purpose
Is It Dangerous?
Written by Katherine Neer for HowStuffWorks February 21, 2019
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