But for some Costco shoppers, consuming thesefamous roasted birdscomes with a major downside.

Some Redditors speculated that the fat or seasonings in the chickens were to blame.

Others wondered if carrageenan,one of the ingredients in Costco’s rotisserie chickens, was the culprit.

costco rotisserie chicken

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And this theory may not be entirely off base.

Young,Ph.D., RDN, nutrition consultant and author ofFinally Full, Finally SlimandThe Portion Teller Plan.

“If it bothers you, avoid it or have a small amount.

Many people overeat chicken thinking they can eat as much as they want.

This is problematic,” she said.