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Search 23,475 SNPs and 4,278 genes, conditions and medicines, or browse by category.
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- Conditions351
Traits and conditions with genetic links.
All conditions - Medicines101
Medicines affected by your genes.
All medicines - Genes3,826
Genes with at least one linked SNP.
All genes - SNPs23,475
SNPs with a notable genotype or detailed notes.
7,971 well documented
Well-known SNPs
- Digesting milkrs4988235MCM6G;G likely to be lactose intolerant as an adult
- Caffeine metabolismrs762551CYP1A2A;A Faster caffeine metabolism in smokers and heavy coffee consumers
- Folate and MTHFRrs1801133MTHFRA;A homozygous for C677T of MTHFR = 10-20% efficiency in processing folic acid = high homocysteine, low B12 and folate levels
- Alzheimer's riskrs429358APOEC;C one of 2 snps relevant to classifying APOE genotype
- Eye colorrs12913832HERC2G;G blue eye color, 99% of the time
- Bitter tasters713598TAS2R38G;G Can taste bitter.
- Alcohol flushrs671ALDH2A;A Asian Flusher; increased risk of esophageal cancer; East Asian ancestry; Disulfiram not effective for alcoholism.
- Sprint and power musclers1815739ACTN3C;C Better performing muscles. Likely sprinter.
- Earwax typers17822931ABCC11T;T Dry earwax. No body odour. Likely Asian ancestry. Reduced colostrum.
- Red hairrs1805007MC1RT;T increased response to anesthetics; 13-20x higher likelihood of red hair; increased risk of melanoma
- Body weightrs9939609FTOA;A obesity risk and 1.6x risk for T2D
- Iron overloadrs1800562A;A Two copies of C282Y, likely affected by hemochromatosis which may be serious if male or post-menopausal.
- Blood clottingrs6025F5T;T 11.4x higher risk of thrombosis
- Warfarin dosers9923231VKORC1T;T reduced warfarin dose if treated for VTE
- Clopidogrel responsers4244285CYP2C19A;A poor metabolizer of several popular medicines; patients prescribed Plavix get less benefit, and have higher risk for adverse cardiovascular events
- Type 2 diabetesrs7903146TCF7L2T;T 2x increased risk for Type-2 diabetes
Source and license
Adapted from SNPedia, using a snapshot taken October 16, 2026. SNPedia content is shared under CC BY-NC-SA 3.0 US, and this page is shared under the same license.
SNPedia is a community-edited wiki. Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice. Magnitude is a community rating of how interesting a genotype is, not a risk score.