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Lactose intolerance is the most common carbohydrate malabsorption

FODMAPs are naturally occurring sugars such as lactose, fructose, sorbitol, mannitol and sucrose found in milk and dairy products, fruits and vegetables, cereals and processed foods. These dietary sugars are poorly absorbed in the gut, and fermentation of the sugar by gut bacteria results in water retaining effect as well as gas production. In IBS sufferers this causes gut symptoms such as bloating, pain and diarrhoea. Restricting dietary intake of FODMAPS has been shown to relieve symptoms of IBS in up to 75% of patients.

healthy-food-iscreen

Fructose and lactose breath testing are standard in all IBS sufferers and should be performed first. Testing for malabsorption of sucrose, sorbitol and mannitol should be considered in individuals with normal breath tests for fructose and lactose, or if symptoms fail to improve with restriction of fructose/ lactose intake. If you have a positive breath test result, our nutritionist can work with you to develop a low FODMAP diet to suit your requirements.

What we test

Lactose Malabsorption

Hydrogen/methane breath tests are highly specific and sensitive tools for the diagnosis of FODMAP malabsorption. They are considered first line interventions in the diagnostic workup of IBS symptoms and are recommended before dietary intervention. Breath tests avoid unnecessary food restrictions and adverse effects on gut microflora.

This breath test looks for lactose malabsorption which is advised in all IBS sufferers, especially those with symptoms related to milk/dairy products.

This represents the amount of hydrogen present in an exhaled breath a period of time after taking a lactose dose. Hydrogen is produced by microbial fermentation of carbohydrates in the gut.

Breath hydrogen is used for measurement of malabsorption where possible. If breath hydrogen production is low, further tests are conducted using equipment that also measures methane (CH4).

Fructose Malabsorption

Hydrogen/methane breath tests are highly specific and sensitive tools for the diagnosis of FODMAP malabsorption. They are considered first line interventions in the diagnostic workup of IBS symptoms and are recommended before dietary intervention. Breath tests avoid unnecessary food restrictions and adverse effects on gut microflora.

This breath test looks for fructose malabsorption which is advised in all IBS sufferers, especially those with symptoms related to fruit ingestion.

This represents the amount of hydrogen present in an exhaled breath a period of time after taking the fructose dose. Hydrogen is produced by microbial fermentation of carbohydrates in the gut.

Breath hydrogen is used for measurement of malabsorption where possible. If breath hydrogen production is low, further tests are conducted using equipment that also measures methane (CH4).

Test instructions

Your test kit and all instructions are posted directly to you, and there is no need to visit a collection centre.

Mail your sample back to the lab in the prepaid envelope.

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