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.
You should keep tax returns for more than three years in the following situations: If you omit more than 25% of your gross income on your tax returns, you should keep the return for six years. In that case, the IRS has six years to assess additional tax. If you claimed loss for worthless securities or bad debt deductions, you should be save the tax return for seven years.