Your FoodMarble device will allow you to track your fermentation levels after taking an all-natural FODMAP sample. The FODMAP substrates included in our food intolerance tests are: lactose, fructose, sorbitol & inulin

There is some preparation required before you do a test (or Challenge), which will help ensure you get the best results. The FoodMarble app contains more information on the preparation needed. 

Most people won't feel any different during the test, however some people may experience some discomfort. This discomfort shouldn't last long. 

The packets contain sugars which occur naturally in food. The contents of each FODMAP packet is equivalent to eating the following:

Fructose = the same amount of fructose as 2 medium-to-large apples*
Lactose = the same amount of lactose as drinking 2 cups of milk*
Inulin = the same amount of inulin as eating 1-1.5 average Jerusalem artichokes**
Sorbitol = the same amount of sorbitol as eating 2 servings of prunes (actually it's only 1.7 servings of prunes but we'll round up)***

Therefore, if you feel any discomfort when eating these foods, you may choose to skip this test or you can elect to use a smaller amount of the substrate to test with. Please note that if you use a smaller amount than the entire packet, your results may not be accurate.

The food intolerance tests are optional, but highly recommended if you want to get answers quickly. If you decide not to do them, you can continue to log your foods and take breath readings daily. Over time you will begin to see patterns in your fermentation levels after eating certain foods.

*Source: United States Department of Agriculture
***Source: Stacewicz-Sapuntzakis M, Bowen PE, Hussain EA, Damayanti-Wood BI, Farnsworth NR. Chemical composition and potential health effects of prunes: a functional food? Crit Rev Food Sci Nutr. 2001 May;41(4):251-86.

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