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Symptoms of Lactose Intolerance

When lactose is poorly absorbed in the digestive tract, it can lead to bloating, abdominal pain, flatulence, and diarrhea. This entry is used for when there are studies that use harmonized clinical scores that combine the specific symptoms. Specific symptoms are usually more useful, and not everyone has the same symptoms and broad clinical scores don't differentiate.

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Human Effect Matrix

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The Human Effect Matrix looks at human studies to tell you what supplements affect Symptoms of Lactose Intolerance.

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Grade Level of Evidence
Robust research conducted with repeated double-blind clinical trials
Multiple studies where at least two are double-blind and placebo controlled
Single double-blind study or multiple cohort studies
Uncontrolled or observational studies only
Level of Evidence
? The amount of high quality evidence. The more evidence, the more we can trust the results.
Supplement Magnitude of effect
? The direction and size of the supplement's impact on each outcome. Some supplements can have an increasing effect, others have a decreasing effect, and others have no effect.
Consistency of research results
? Scientific research does not always agree. HIGH or VERY HIGH means that most of the scientific research agrees.
Notes
grade-c Notable Very High See all 4 studies
Any time symptoms have been harmonized in a single score, lactase had led to a notable reduction, either when milk was pretreated or lactase was taken at mealtime. 24-hour pretreatment seemed to lead to somewhat fewer symptoms than acute consumption.

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