LCT
Gastrointestinal & Hepatic System · Intestinal Nutrient Absorption
Can an LCT finding explain why milk causes digestive symptoms?
LCT makes lactase, the intestinal enzyme that breaks down milk sugar. Reduced lactase activity can make lactose difficult to digest, but symptoms and the specific finding matter because milk-protein allergy is a different problem.
- Common Gene Name
- lactase
- NCBI Gene ID
- 3938
- Chromosome
- 2
Clinical Evidence Status
Clinical utility not established here
These labels describe available evidence about a gene. They do not classify your variant or recommend a treatment.
Answer Sources
Explore supporting evidence (1 records)
| Condition or drug | Evidence | Grade / status | Context | Source |
|---|---|---|---|---|
| Lactose intolerance | MedlinePlus related condition | Association type varies; no grade assigned here | View source 2023-03 |
Source snapshot: 2026-09-09. Consumer text updated: 2026-09-10. Source dates describe the cited records, not a new clinical review.
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