Most Americans only get about half the recommended daily allowance of fiber (for men, it's 38 grams). Fiber helps you feel full, and it also scrubs the gut. Particularly high sources include lentils (15.6 grams per cup, cooked), artichokes (10.3 grams per medium artichoke, cooked), and broccoli (5.1 grams per cup, cooked).
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