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How do I check my Secretor status?

How do you know if you are a secretor or non-secretor?

If you secrete your blood type in your bodily fluids, then you are a secretor. The ‘body fluids’ here include intestinal mucosa, saliva, mucus in the lungs, and semen.

Your blood type is an oligosaccharide, which is technically a carbohydrate that the body uses to identify ‘self’.

As a carbohydrate, though, your blood type in your intestinal mucosa can be used as a food source for intestinal bacteria. Thus, non-secretors tend to have different bacteria in their gut microbiome.

You can get a secretor status test from the 4 Your Type website, which sells books and more that explain (out of date) theories on what to eat for your blood type.

But you don’t have to order expensive tests if you already have 23andMe, AncestryDNA, or other genetic raw data! It is easy to check your genetic raw data to see if you are a secretor or non-secretor.

View the SNPs to look up secretor status free article for more details.



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What can you do with your 23andMe or AncestryDNA raw data?
Resources for using your raw genetic data file from 23andMe or AncestryDNA


About the Author:
Debbie Moon is the founder of Genetic Lifehacks. Fascinated by the connections between genes, diet, and health, her goal is to help you understand how to apply genetics to your diet and lifestyle decisions. Debbie has a BS in engineering from Colorado School of Mines and an MSc in biological sciences from Clemson University. Debbie combines an engineering mindset with a biological systems approach to help you understand how genetic differences impact your optimal health.