This test measures how much carbon dioxide is in your blood. When you digest food, your body makes carbon dioxide as a waste product in the form of gas. Your blood carries this gas to your lungs. You exhale it and breathe in oxygen thousands of times a day.
One of the more common side effects of consuming maltodextrin is just a general feeling of sickness or an upset stomach. It is not unusual for someone who just consumed a large amount of maltodextrin to feel a bit ill, even if they do not have an allergy to the additive.
Be afraid of any peanut butter whose first ingredient is not peanuts. Maltodextrin is a caloric sweetener and flavor enhancer made from rice, potatoes or, more commonly, cornstarch. Through treatment with enzymes and acids, it can be converted into a fiber and thickening agent.