Lactose IntoleranceLactose Intolerance
Lactose Intolerance
Lactose Intolerance
患病率: 65-70% of global population (varies widely by ethnicity: 5% Northern European to 90% East Asian)
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Evidence-Ranked Ingredients
About
A digestive condition caused by insufficient lactase enzyme activity in the small intestinal brush border, leading to malabsorption of lactose (milk sugar). Undigested lactose reaches the colon where bacterial fermentation produces gas (H2, CO2, CH4) and osmotic diarrhea.
Common Symptoms
Bloating
Gas
Abdominal cramps
Diarrhea
Nausea (typically 30 min-2 hrs after dairy consumption)
Risk Factors
- Genetic (primary hypolactasia, autosomal recessive LCT gene)
- Secondary causes (celiac, IBD, gastroenteritis)
- Ethnicity
- Aging
Frequently Asked Questions
What supplements may help with Lactose Intolerance?
Based on peer-reviewed research, supplements with the strongest evidence for Lactose Intolerance include Lactase. These have earned Grade A or B ratings from our analysis of clinical studies. Always consult your healthcare provider before starting any supplement.
How is the evidence for Lactose Intolerance supplements graded?
We grade supplements on an A-F scale based on clinical study quality, consistency of results, sample sizes, and study design. Grade A indicates strong evidence from multiple clinical trials, while Grade D indicates preliminary evidence requiring further research.
How many studies on Lactose Intolerance supplements have been reviewed?
Our evidence grades for Lactose Intolerance are based on a total of 15 peer-reviewed studies across 1 ingredients. Studies are sourced from PubMed and include randomized controlled trials, meta-analyses, and other clinical research.
What are common symptoms of Lactose Intolerance?
Common symptoms associated with Lactose Intolerance include Bloating, Gas, Abdominal cramps, Diarrhea, Nausea (typically 30 min-2 hrs after dairy consumption). If you are experiencing these symptoms, consult a healthcare professional for proper diagnosis and treatment options.
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