Hydrogen(SIBO)
A carbohydrate breath test measures the amount of hydrogen and methane gas in your breath. It is typically used to find out if you can digest specific sugars, like those found in milk. When large amounts of carbohydrates, such as lactose or fructose, are incompletely digested in the intestine and pass through to the colon, hydrogen and methane gases are produced and can be measured in exhaled breath
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