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Glam Journal

Does 23andMe test for MTHFR gene mutation?

Author

Andrew Henderson

Updated on March 10, 2026

Does 23andMe test for MTHFR gene mutation?

As statements from multiple scientific and medical organizations indicate, that is currently not the case for the common MTHFR variants. Our team will continue to monitor research in this area – as we do for a wide variety of genetic research – and evaluate new information as it becomes available.

What does MTHFR A1298C mean?

There are two common MTHFR mutations, known as C677T and A1298C. The term MTHFR stands for methylenetetrahydrofolate reductase. MTHFR is an enzyme that breaks down the amino acids’ homocysteine and folate. Homocysteine is an amino acid that works to maintain the body’s cells.

How do I know if I have MTHFR 23?

MTHFR Gene Mutation: Check your raw data If you have 23andMe data, log in on 23andMe.com and go to “browse raw data”. Cut and paste the rs id (e.g. rs1801133) to see your genotype.

Does everyone have MTHFR gene?

Everyone has two MTHFR genes, one inherited from your mother and one from your father. Mutations can occur in one or both MTHFR genes. There are different types of MTHFR mutations. An MTHFR test looks for two of these mutations, also known as variants.

Which MTHFR gene is worse?

Because each person has two copies of the MTHFR gene , people can inherit one copy of a MTHFR gene variant or two copies of it (one from each parent). People who inherit two copies of C677T have a higher risk for having a child with a neural tube defect.

What are the 2 MTHFR genes?

There are two MTHFR gene variants, called C677T and A1298C, that have been an active area of study. These variants are common. In America, about 25% of people who are Hispanic, and 10-15% of people who are Caucasian have two copies of C677T.

Is MTHFR really a problem?

In the vast majority of people, the presence of an MTHFR variant, even if it leads to moderately high homocysteine levels, really doesn’t cause problems, experts say. Slightly high homocysteine levels (15-30 micromoles per liter) are quite common.

Is MTHFR an autoimmune disorder?

The MTHFR mutation will also cause issues with detoxing properly, as well as issues with hormone balance and immune system function. It has been associated with autoimmune conditions such as fibromyalgia, Hashimoto’s, and lupus.

Does MTHFR run in families?

What are the signs of MTHFR?

Symptoms of a MTHFR mutation

  • cardiovascular and thromboembolic diseases (specifically blood clots, stroke, embolism, and heart attacks)
  • depression.
  • anxiety.
  • bipolar disorder.
  • schizophrenia.
  • colon cancer.
  • acute leukemia.
  • chronic pain and fatigue.

Does everyone have the MTHFR gene?

How do I Check my MTHFR gene on 23andMe?

If you have done 23andMe, just click on the link next to the rs id below to check your MTHFR gene. The link takes you to 23andMe where you can view your raw data. If you have AncestryDNA results, you will need to download your raw data file and search for the rs id number below. ( How to download AncestryDNA and Search)

What is the MTHFR gene and what does it do?

MTHFR also helps our cells recycle homocysteine, a chemical in the blood, into methionine, a building block for proteins. [1] We also know that there are two common naturally occurring variants in the MTHFR gene, called C677T and A1298C.

What is the most asked about gene on 23andMe?

January 5, 2017 By 23andMe under Health and Traits. The methylenetetrahydrofolate reductase gene, more commonly known as MTHFR, is the most asked-about gene by 23andMe customers.

Are the MTHFR C677T and A1298C variants considered mutations?

Neither MTHFR C677T nor A1298C variants are considered mutations because both are commonly found in the population. What problems can the MTHFR C677T or A1298C variants cause?