FULL SPECTRUM PREBIOTIC FIBER: The secret to Human Food Bar is a powerful prebiotic fiber blend, including Resistant Starch. Found in plants like green bananas and tubers, Human Food Bar is a convenient and delicious way to get this missing nutrient in your diet.CURB CRAVINGS NATURALLY: Beneath decadent flavors you know and love are science-backed ingredients carefully selected for being rich in prebiotic fiber and resistant starch. They increase the production of fatty acids in your gut, which stimulates GLP-1, the “hunger-quieting hormone”.