Fit • Form • Function. Supports Food Digestion. Eases Bloating & Gas. Helps to Increase Energy. Digestion Advantage! Digestive Enzymes assist in regulating all of the metabolic processes in our bodies while also ensuring that all of the nutrients we consume are fully absorbed. . F3™ Nutrition Digestive Enzymes are plant based enzymes in vegetarian capsules. This broad spectrum blend of effective digestive enzymes will provide for proper digestion and effective assimilation of nutrients form any food source.