Is it normal to eat the peanut shell?
Unusual.Less common, but harmless
Some people eat peanut shells, but most people spit them out. A small amount is usually harmless, though shells are tough, fibrous, and hard to digest.
It’s a thing, just not the usual way to eat peanuts. The shells are mostly tough fiber, so they don’t break down easily and can be unpleasant to chew or swallow. A few shells are unlikely to cause trouble, but eating a lot may irritate your digestive system or, rarely, contribute to a blockage.
If you enjoy the crunch, you’re not alone in the habit—but it’s generally better to stick to the peanut inside, especially since shells can carry dirt or residue.