Lactose Intolerance Testing Kit

Lactose, a disaccharide, is not normally absorbed directly from the gut, but is broken down into glucose and galactose by the enzyme lactase.

£99.00

In such cases, the lactose, on reaching the large bowel is fermented by colonic bacteria producing hydrogen and sometimes methane. These gasses pass across the gut wall into circulation and are exhaled in the breath.

This test requires the collection of breath samples after avoiding dietary fibre, resistant starch, complex carbohydrates and dairy products for 24 hours, followed by an overnight fast. An initial breath sample is collected, the patient then consumes 25G of lactose (supplied with the test kit) and then further breath samples hourly for three hours. A negative test will return very low levels of hydrogen and methane throughout, whereas a patient with lactose intolerance will exhibit raised levels of breath gasses when the lactose reaches the colon, as illustrated in the sample report which can be viewed below.

Test datasheet: Lactose Intolerance datasheet

Sample report: Lactose Intolerance Breath Test sample report

Patient instruction sheet: Lactose Intolerance Breath Test patient instructions.

Directions:

Lactose, a disaccharide, is not normally absorbed directly from the gut, but is broken down into glucose and galactose by the enzyme lactase. If the lactase is absent (or insufficient for the dietary load of lactose), then non-absorbed lactose will be the pass into the lower small intestine and the colon. This may result in diarrhoea with cramps and flatulence, the symptoms of the condition known as “lactose intolerance”, which is not an allergic condition but a digestive problem.

In such cases, the lactose, on reaching the large bowel is fermented by colonic bacteria producing hydrogen and sometimes methane. These gasses pass across the gut wall into circulation and are exhaled in the breath.

This test requires the collection of breath samples after avoiding dietary fibre, resistant starch, complex carbohydrates and dairy products for 24 hours, followed by an overnight fast. An initial breath sample is collected, the patient then consumes 25G of lactose (supplied with the test kit) and then further breath samples hourly for three hours. A negative test will return very low levels of hydrogen and methane throughout, whereas a patient with lactose intolerance will exhibit raised levels of breath gasses when the lactose reaches the colon, as illustrated in the sample report which can be viewed below.

Test datasheet:

Lactose Intolerance datasheet

Sample report:

Lactose Intolerance Breath Test sample report

Patient instruction sheet:

Lactose Intolerance Breath Test patient instructions.

Suitable for:

Adults
Age 18+

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Testing Kits

Refunds or free re-tests are not possible in the circumstances where an insufficient or incorrect sample has been taken. Customers must ensure they strictly adhere to the testing guidelines provided otherwise additional costs and delays may be incurred.

If your testing kit has been purchased from our website and already dispatched, you can return it unopened and unused with the original packaging for a refund within 14 days of it having been dispatched. Please ensure you obtain proof of postage.

If your testing kit has already been opened, used, or is incomplete or damaged, we are unable to provide a refund, although a refund will be given if the product is faulty. Where applicable, and in order to cover our costs for the test kit and its delivery, we reserve the right to offer a refund less £35.00 as our administration fee.