Digestive Enzymes. No matter what specific foods we eat, our diets are composed of protein, fat and carbohydrates. Digestive enzymes break down protein, carbohydrates and fats into progressively smaller components. Enzyme supplements normally contain amylase, protease and lipase. Cellulase, lactase, malt diastase, invertase (sucrase), glucoamylase, bromelain and papain may also be included in digestive products. These enzymes increase the level of digestion in the stomach, increasing the amount of food broken down.
Still, you'd be surprised at how much you can safely discard. Here is what you should keep and how long you should keep it. Three Years. Keep your federal and state income tax returns and related receipts and statements for at least three years.
Time Requirements for Tax Records. The rule for retaining tax returns and documents supporting the return is six years from the end of the tax year to which they apply. Your 2015 return and its supporting documents, for example, are safe to destroy at the end of 2021. There are situations that alter this rule.