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MTHFR Mutation: Symptoms, Causes & Treatment

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What is an MTHFR Mutation?

MTHFR stands for methylenetetrahydrofolate reductase, which is an enzyme the body uses to convert homocysteine to methionine. Homocysteine and methionine are amino acids employed for a wide range of purposes in the body, such as building proteins and ensuring that cells function properly. With an MTHFR mutation, the body cannot convert homocysteine to methionine as efficiently, which may lead to dangerously high levels of homocysteine in the blood, possibly causing atherosclerosis and heart problems (x).

Different MTHFR Mutations

Not all MTHFR mutations are similar, and many do not even cause any noticeable side effects. There are two main MTHFR mutations — the C677T and the A1298C mutation. At least one C677T mutation is present in up to 40 percent of Americans. In fact, up to 15 percent of people have two copies of this mutation. Mutant levels of A1298C are also high, with up to 10 percent of the population having two copies of this mutation (x).

It is also possible to have one of both the C677T and A1298C mutations.

Symptoms of MTHFR Mutation

Vitamin Deficiency

The most common is a deficiency of key B vitamins, including riboflavin, B12, B6 and folate. This can cause anemia, which promotes fatigue and lethargy (x). MTHFR mutations can also cause high levels of homocysteine in the blood, which generate a range of cardiovascular symptoms, including high blood pressure (x).

Mental Illness

MTHFR mutations can prevent the production of methylfolate. Methylfolate deficiency symptoms can include ADHD, depression, and anxiety, as the body cannot produce enough dopamine and serotonin, two neurotransmitters essential for mental health (x).

In addition, MTHFR mutation symptoms can include repeated miscarriages, as well as migraines after miscarriage.

Symptoms of MTHFR Mutation

Causes of MTHFR Mutation

There are a wide range of causes for mutations in genes. However, MTHFR mutations are inherited, so a mutated copy of the genes was likely inherited from parents. The genetic code has been slightly altered so that your body cannot produce as much methylenetetrahydrofolate reductase.

Testing for MTHFR Mutations

Lab tests can show if you have MTHFR polymorphism, indicating a slightly higher risk of elevated homocysteine levels. Although you can have this test done without any symptoms, it is commonly only done on people who have already been diagnosed with high homocysteine levels.

MTHFR Mutation Treatment

There is no way of directly treating MTHFR mutations. However, most of the symptoms commonly associated with the condition can be managed with a variety of therapies.

Methylfolate vitamin supplements are one of the most commonly used treatment options for MTHFR mutation symptoms (x). Other treatments will depend on the specific deficiencies that you have as a result of the condition. These mutations can commonly cause riboflavin and choline deficiencies, as well as elevated homocysteine levels.

You should have your doctor perform a blood test to see if you have low levels of any other key vitamins. They can recommend specific vitamin supplements as needed to correct low levels in your body.

Supplements for MTHFR Mutation

Although there is no cure for MTHFR mutations, there are a number of supplements that can help treat the condition and reduce the severity of symptoms.

Pure Betaine Anhydrous Trimethylglycine

Research has shown that betaine anhydrous trimethylglycine can directly lower levels of homocysteine in the body, making it an effective supplement for those with an MTHFR mutation. This can possibly lower circulating levels of homocysteine in the blood and may help with some of the common side effects of homocystinuria, such as blood clotting.

Omega 3-6-9

Studies have shown that increased intake of omega 3-6-9 fatty acids can regulate activity of MTHFR genes, which may help maintain healthy levels of homocysteine in people who have an MTHFR mutation. Lower levels of homocysteine in the blood can improve cardiovascular health, as well as reduce the risk of blood clotting (x).

Magnesium

Although magnesium alone will not directly treat high homocysteine levels, it may be able to improve heart health by boosting blood flow and reducing high cholesterol and blood pressure (x).

CoQ10

MTHFR mutations have a connection to depleted levels of CoQ10, an enzyme that may play a role in heart health. Taking CoQ10 supplements can return the amount of the enzyme to healthy levels.

Pure Beta Carotene

There are some studies indicating that antioxidant vitamins such as beta carotene can be effective for regulating homocysteine levels, although it is still unknown if beta carotene alone is effective for reducing homocysteine levels. It appears most effective when taken in combination with other antioxidant vitamins, including vitamin C and E (x).

The Bottom Line

MTHFR mutations are a common genetic mutation in up to 40 percent of people in the United States. Although they cause few symptoms in most cases, these mutations can lead to elevated homocysteine levels in others, which can cause heart problems. MTHFR mutations can also cause complications in pregnancy, increasing the risk of birth defects and miscarriages. They may also cause migraine headaches after miscarriages.

Most symptoms are related to high levels of homocysteine and low levels of key B vitamins. Treatment therefore focuses mainly on supplementing with B vitamins and lowering homocysteine in the blood.

By: Justin Stewart

About the author

Ryan Quigley

Graduate of Longwood University in Virginia. Part-time sports journalist covering the Vegas Golden Knights.


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