Two scoops of newly reformulated Advanced Fiber contain 3 grams of fructooligosaccharide (FOS), a prebiotic that supports a healthy intestinal environment and increases absorption of calcium and magnesium.* Prebiotics in general provide a favorable environment for beneficial bacterial in the gut.* Unflavored powder makes a convenient addition to juices, smoothies, or meal replacement shakes. 30 serving jar. Adequate amounts of daily dietary fiber are important for maintenance of digestive regularity and increased fiber intake has been associated with a number of protective health benefits. The recommended intake for adults is 14 g total fiber per 1,000 kcal, or 25 g for women and 38 g for men.1 Two servings of reformulated Advanced Fiber provides 12 g of dietary fiber.Many people, including bariatric patients, obtain low amounts of fiber from their diet. Newly reformulated Advanced Fiber from Bariatric Advantage provides a convenient option for supplementary fiber and has been formulated specifically for the bariatric surgery patient.