No. In order for nutrients to be absorbed by the body, the food has to be mechanically chewed in the mouth; navigate down the esophagus into the stomach to be mechanically and chemically churned further; *then* enter the small intestine where (most) nutrient absorption occurs. That’s a long way to go.
Maybe *some* carbohydrates broken down by amylase in the saliva and absorbed through the oral mucosa, but a *highly* negligible amount.
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