#1. Frozen Dinners
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Any time there is a high concentration of fat and salt but low fiber content, such as in frozen dinners and preserved meals, you’re more likely to experience digestion difficulties. According to the Mayo Clinic, adults should ingest approximately 25-38 grams of fiber daily. Diets that primarily include heat-and-eat frozen meals can lead to digestion problems, as the nutrient content compared to fresh foods is low.