What is the MTHFR Genetic Defect and How Can it Affect You?

by Dr. Edward Group DC, NP, DACBN, DCBCN, DABFM Published on , Last Updated on

DNA-Helix

Conventional science wants us to believe that we are merely a product and victim of our genes, but these “facts” aren’t entirely true. While genetics do play a role in the initiation and development of some diseases, our choices determine how (or if) they are expressed. By learning simple lifestyle modifications, you can gain the information you need that will enable you to take control of your genes and your health.

What is the MTHFR Gene?

Also known as methylenetetrahydrofolate reductase, the MTHFR gene is a genetic polymorphism, or what is seen as a genetic variance or flaw in today’s science. One in every two people may have this variance — about half of the population.

Is this genetic “defect” dangerous? Well no, not really; however, any sort of genetic mutation or variance does have the possibility of affecting your health. Knowing what this gene is and how it could affect you is the knowledge you need when seeking to protect your health.

What Does the MTHFR Gene Do?

The MTHFR gene instructs the body to make an enzyme necessary to convert vitamin B9 into a usable form. This enzyme is also important in the process of converting homocysteine into methionine — an amino acid the body needs for growth and metabolism. Methylation, a process involving a methyl group activating an enzyme, is also associated with the MTHFR gene. Proper methylation enables the body to detoxify toxic metals, toxins, and other wastes more efficiently.

Effects on the Human Body

The process of methylation and the conversion of homocysteine to methionine play an important role in protecting both physical and mental health. Methionine is essential for producing glutathione, the body’s primary antioxidant. The liver also converts methionine into SAM-e, a chemical that helps metabolize brain chemicals dopamine, serotonin, and melatonin. Therefore, it is possible that a defect in the MTHFR gene may promote high levels of homocysteine levels in the blood, negatively affecting mental health and mood.

In the case of an MTHFR mutation, an inability to process folic acid (vitamin B9) can have serious effects. For one, a developing fetus can suffer brain defects like spina bifida or anencephaly if the mother has a severe defect in the gene. Folate deficiency can also result in lethargy, impaired cognitive function, and mood disorders. [1] [2]

Other Health Effects

As mentioned previously, a defect with the MTHFR gene can cause an abnormally high level of homocysteine in the blood. High levels of homocysteine are associated with cardiovascular disease, high blood pressure, glaucoma, ischemic stroke, and atherosclerosis. [3] Research links migraines and mental disorders (schizophrenia, bipolar disorder, and depression) to inadequate methylation resulting from variances of the MTHFR gene. [4] [5]

Some research has also examined the effects of the gene defect on influencing the development of certain cancers. The free radical damage and toxic buildup that results from poor methylation, for example, may contribute to certain cancers. [6] Those with hypothyroidism may experience problems associated with a MTHFR defect, mainly because the thyroid produces hormones needed by the MTHFR gene.

Solutions

Whether your doctor has determined that you have the MTHFR gene defect or you are experiencing similar symptoms related to the disorder, there are a few steps you can take to protect yourself. First, address any dietary and nutritional deficiencies. Consume a diet with folate-rich foods such as spinach, asparagus, chickpeas, beans, and broccoli. Avoid folic acid, exposure to environmental toxins which can tax the liver, and perform an occasional liver cleanse to facilitate the removal of toxins and wastes. Methyl folate may be an important supplement to implement in your daily health regime if you are suffering from methylation, so speak to your doctor about possibly adding this to your current supplement plan.

References:

  1. Ramos Ml, Allen LH, Mungas DM, Jagust WJ, Haan MN, Green R, Miller JW. Low folate status is associated with impaired cognitive function and dementia in the Sacramento Area Latino Study on Aging. American Journal of Clinical Nutrition. 2005 December;82(6):1346-52.
  2. Williams E, Stewart-Knox B, McConville C, Bradbury I, Armstrong NC, McNulty H. Folate status and mood: Is there a relationship? Public Health Nutrition. 2008 February;11(2):118-23.
  3. Li P1, Qin C2. Methylenetetrahydrofolate reductase (MTHFR) gene polymorphisms and susceptibility to ischemic stroke: a meta-analysis. Gene. 2014 Feb 10;535(2):359-64. doi: 10.1016/j.gene.2013.09.066. Epub 2013 Oct 16.
  4. Azimova JE1, Sergeev AV, Korobeynikova LA, Kondratieva NS, Kokaeva ZG, Shaikhaev GO, Skorobogatykh KV, Fokina NM, Tabeeva GR, Klimov EA. Effects of MTHFR gene polymorphism on the clinical and electrophysiological characteristics of migraine. BMC Neurol. 2013 Aug 5;13:103. doi: 10.1186/1471-2377-13-103.
  5. Gilbody S1, Lewis S, Lightfoot T. Methylenetetrahydrofolate reductase (MTHFR) genetic polymorphisms and psychiatric disorders: a HuGE review. Am J Epidemiol. 2007 Jan 1;165(1):1-13.
  6. Prasad VV1, Wilkhoo H. Association of the functional polymorphism C677T in the methylenetetrahydrofolate reductase gene with colorectal, thyroid, breast, ovarian, and cervical cancers. Onkologie. 2011;34(8-9):422-6. doi: 10.1159/000331131.

†Results may vary. Information and statements made are for education purposes and are not intended to replace the advice of your doctor. Global Healing Center does not dispense medical advice, prescribe, or diagnose illness. The views and nutritional advice expressed by Global Healing Center are not intended to be a substitute for conventional medical service. If you have a severe medical condition or health concern, see your physician.

  • Judith

    This article is confusing to me -perhaps someone can enlighten me. It says that someone with with MRHFR gene can have difficulty using folate. From my understanding it is folic acid which is difficult to convert but this can be overcome by taking methyl folate. I have always though folate was OK. I would appreciate someone’s advice on this.

  • sophia

    the article sais MRHFR mutation is responsible for that. If you continuously show up as being chronically deficient in folate or the B vitamins then this may be why.. you have the mutation. This does affect some people. Otherwise you are ok even with the defect. I think it’s good to know if you have a defect, or not or mutation because then you know which alternative and natural path to go down and which products will help with digestion, elimination, metabolism, etc. it’s all about learning more about who we are as individuals….

  • einahpets

    Hello, am I misunderstanding–isn’t it MThfr, vs MRhfr? Sorry noone responded, Judith. From my understanding (some college in both nutrition,and laboratory studies, and 20yrs in med. lab) folic acid and folate are the same thing, in different forms. I think both can be taken into your body in food, but one is the active form in the body. Folic acid is very important in developing fetus, thus it became a government prescribed supplement for pregnant women. My mother was probably low in it, before 1952 supplements, and my sister had both mental retardation and severe imbalance between bone growth and soft tissue (muscle, skin, organs) growth. She had a 6 foot spine (all us “sibs”) in a 4 foot 11 inch body.
    My parents had many of the conditions listed in this article, while the remaining children have long medical histories. Possibly due to nutrition from being born in the depression??
    I can’t remember everything, but Folic Acid has a big part in Hemoglobin (red stuff-a protein) of the Red Blood Cells, which delivers oxygen to the cells all over the body. Those with anemia, also have problems with what the liver does in everything cholesterol related.

  • kim

    Folic acid and folate are not the same things, folic acid is the chemical version of folate(B9). Those that have the MTHFR gene defect should avoid folic acid because their body’s are unable to convert it to a usable form, therefore it builds up in their system and can attach to folate (active form B9) making it unusable by their body’s as well.

  • Martins

    I have a question.. I have the mthfr gene defect. I also am a epileptic (still active ) do you think theses two things are related? I am always freezing esp hands and feet . But I also sweat (which is discussing) . Sometimes I go through 6 shirts a day. I also have a no appetite . Currently I am off all meds. I was on 19 medications which was 42 pills total a day. Every doctor I see just wants to push medications no other supportive care. Just trying no to go back to all the scripts.. any suggestions? I’m open to all ideas except to feel like a zombie again.

  • http://www.globalhealingcenter.com/ Global Healing Center

    It’s tough to say definitively but it’s also hard to ignore the absolute interconnectedness of our bodies… I understand your frustration with the just-take-a-pill approach. Have you been able to find a natural healer in your area who can offer first hand evaluation?

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  • Kristen

    I just typed a huge response and went to sign in to post and deleted! So will make a brief one and feel free to get in contact with me if you want to go more in depth. Everything is connected and it is very likely that the root causes of those conditions are directly related. As a Holistic Healer specializing in Vibrational Medicine, it seems to me that there is an underlying theme that connects all of those conditions together. Let me ask you this: how connected to you feel to your family and friends? How do you feel about your home, work, and about food? If you are unhappy in many or all of these areas, you could be resisting fully grounding your energy, you being fully in the moment, fully in life. There could be some blocks in your mid to upper body in the upper chakras, keeping energy from fully descending down your spinal column. Now if you were just on a bunch of meds, then chances are they are even more blocked now. There are many things you can do to release blocked energy and heal. Do some research. Work with a holistic doctor or practitioner, someone that knows how to treat and correct imbalances and blocks in the body. Work with someone 1:1. I could help you with understanding of your energy system, how it works, what is happening when it’s not functioning properly that manifests as conditions such as those, but do not specialize in those conditions themselves. Congratulations on taking control of your life and getting off of meds that make you feel like a zombie. I recommend medical marijuana for the epilepsy, there are many studies proving that it significantly reduces and even eliminates epilepsy. Many parents have turned to medical marijuana for their children (in the form of capsules, edibles, just to deliver the therapeutic canaboids that does not give them a “high”) and their children all of the sudden stop having seizures. Something to look into :)

  • Kristen

    I think you are correct, I reread it multiple times and I’m not seeing any reference of someone with the genetic defect having difficulty using folate. We need folate! It’s essential! It’s the folic acid that is not necessarily usable, and creates a deficiency of folate, since those with the mutation cannot covert the folic acid.

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  • bodica

    An authentic, experienced Homeopathist should be able to help you.

  • Donna

    This is strange I was told to stay away from cabbage, greens, salads, but I was put on folic acid tablets

  • Judith

    Well Donna – I think many medical and health practitioners are unaware of the difference beween folic acid and folate. Our autistic granson was not abe to process folic acid and it became a toxin in his system but the GP did not know the difference or the fact that someone with the MTHFR genetic defect may not be able to process it. He started to really improved on the Methylated B vitamins.

  • CJ

    Nice you say that this mutation isn’t dangerous in your opening paragraph. If you have a double mutation as I do, MTHFR is very dangerous. Please research a bit more before making a statement like that. People die of coinary disease and DVT. People with MTHFR need to be aware of this mutation and change their lifestyle.

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  • Kathy Rainero

    Thanks for bringing this up. I also have the double mutation and had 3 runs with cancer and now showing to be at risk for arthrescolosis with high homocysteine and CPR and both my parents have heart disease. One has 7 stints and other had a 5 way. Along with thyroid kidney etc. My son is getting tested this month he has big issues with thyroid cognitive and depression. Yes it surely is dangerous

  • Kathy Rainero

    Oh and my son had a cancer scare at age 10 and we all have digestive problems

  • Kathy Rainero

    Not the same at all

  • Tiffany Rearley Riffle

    Can you please tell me which tests you are referring to. I know I have a mutation but no doctor has addressed the issue. I have many health problems.

  • Tiffany Rearley Riffle

    On the back of my vitamin bottle, this is how it’s labeled…
    Folate (folic acid)……400 mcg (amount per serving)
    I’m wondering if I should take it since I have a C677T mutation.

  • Kathy Rainero

    Personally I wouldn’t but maybe best to see what others say as well

  • Kathy Rainero

    MTHFR GENE MUTATION

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  • susansylvia

    I agree. I have experienced a lifetime of serious health problems due to this problem, many of which could have killed me including several bouts with pneumonia, and breast cancer. MTHFR is clearly linked to tne three biggest killers today–several cancers, heart disease and diabetes, all of which I was facing without treatment. It’s an insult to say this problem is not dangerous–try walking a mile in our shoes.

  • Lisa

    the MTHFR variant is also a fairly new genetic finding, so many doctors are not yet aware of it, or if they are, that folic acid is a problem and not a good way to increase the folate. I have tested as having an MTHFR C677T mutation and my doctor actually told me that means I needed to take MORE folic acid. I’m so glad I researched it before doing that as it could have made my symptoms worse. She didn’t mean to give me poor information, she just knew enough about this new finding to be dangerous.:-(

  • Lisa

    I’m not a doctor, but I have recently found out that I have one of the mutations MTHFR C677T. My understanding is that since my body is not utilizing the folic acid, it actually builds up in my body, in my blood. So no, a blood test would not necessarily show a deficiency if I had a build up of unprocessed folic acid nor if I was being negatively impacted by not processing the folate well. Yikes, huh?

  • Lisa

    I recently found out I have a single mutation, C667T, and I’ve still had ill effects. So yes I agree with you, this could be potentially life altering, in a good way, for people to know about so they can do something about it! It’s a fairly recent genetic finding, so I’m open about going easy on folks ignorance, for now, but the ignorance needs to be educated because this turns out to be a fairly common issue. The folic acid being added to everything needs to stop in it’s place an easy to methylate B vitamin. Please! Even people without this variation can more easily use methylfolate over folic acid.

  • Lisa

    I wouldn’t. I also have C667T variant and after researching it, I’m not taking any vitamin that has folic acid in it. Only l-methylfolate also called 5-MTHF or Metafolin.

  • Greg Louderback

    I was just diagnosed with this. There are over 40 different types of mutations that can affect you. But my doctor said it’s usually just 1 that will affect you. He said I have multiple gene mutations that are affecting my health. Needless to say I haven’t had an easy way to go. I test positive for lupus but they say it’s not. I have several different types of arthritis with a crazy one that travels to different parts of my body. I have an enlarged heart, hardening of the arteries, severe DDG and a hyperactive immune system. Blood clots went to my lungs of 3.5 cm and 5 cm which took close to a year to recover from but the arthritis had set in and a loss of height of 4.75 inches total now. Now I’m having a problem with the red blood cells increasing without the oxygen in them adding to the difficulty of breathing because of the COPD. I have also had a problem with a high level of homocysteine that is being difficult to lower. I have been on folic acid which has been changed to Folgard. It’s a new type of folic acid that has other supplements in it. I can’t eat traditional foods with folic acid because of the vitamin K in them. Now I take 10 pills a day that not even one of them is a narcotic. So I also stopped many of the narcotic prescriptions that I have taken for years. I still have to take a pain pill or muscle relaxer every now and then when I can hardly stand it any longer. They help much more when you take fewer of them.

  • Justin

    I have double C677t mutation and I feel a lot worse when I eat salads. I thought they’re supposed to be good for you since they contain folate. Am I mistaken?

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