Skip to content

Why Do Men Lack Folic Acid? A Look at Common Causes

5 min read

While often associated with women's health, studies show that men can also experience folic acid deficiency, which is linked to poor diet and specific health issues. A deficit in this essential B vitamin can lead to a range of health problems affecting energy, mental function, and overall well-being.

Quick Summary

This article explores the primary reasons men experience low folic acid levels, including dietary inadequacies, excessive alcohol consumption, certain medications, and genetic variations, and outlines how to prevent and address this issue.

Key Points

  • Poor Dietary Habits: The most common reason men lack folic acid is an insufficient intake of folate-rich foods like leafy greens, legumes, and citrus fruits.

  • Excessive Alcohol Use: Chronic, heavy alcohol consumption impairs the body's ability to absorb and store folate, making it a major risk factor for deficiency.

  • Certain Medications: Drugs such as methotrexate and phenytoin can interfere with folate metabolism and absorption, potentially leading to a deficiency.

  • Genetic Factors: A mutation in the MTHFR gene can inhibit the body's conversion of folate into its active, usable form, regardless of dietary intake.

  • Gastrointestinal Disorders: Conditions like Crohn's disease and celiac disease can cause malabsorption, preventing the body from properly absorbing folate.

  • Men's Health Impacts: Low folic acid can affect male fertility and increase the risk of heart disease due to elevated homocysteine levels.

In This Article

Understanding Folic Acid vs. Folate

Before delving into the reasons for low levels, it’s crucial to understand the difference between folate and folic acid. Folate (Vitamin B9) is the naturally occurring form of the vitamin found in foods like leafy green vegetables, legumes, and citrus fruits. Folic acid is the synthetic, man-made version added to fortified foods and found in dietary supplements. While both are forms of Vitamin B9, the body absorbs them differently. Folic acid is often more bioavailable, meaning the body uses it more efficiently. Understanding this distinction helps in identifying potential causes of deficiency, especially related to diet.

Leading Causes of Folic Acid Deficiency in Men

Several key factors contribute to why men may lack folic acid, ranging from lifestyle choices to underlying medical conditions.

Dietary Insufficiency

The most straightforward reason for a deficiency is inadequate intake through diet. Folate is a water-soluble vitamin, meaning the body cannot store it for long periods and a consistent daily supply is necessary. Men with poor dietary habits, who do not regularly consume folate-rich foods like leafy greens, vegetables, fruits, and legumes, are at a higher risk. Overcooking vegetables can also destroy their folate content, further limiting a person's intake.

Excessive Alcohol Consumption

Chronic and excessive alcohol use is a major contributor to folate deficiency. Alcohol interferes with the absorption of folate in the intestines and also increases its excretion through urine. For men who misuse alcohol, this can lead to severely depleted folate stores, even if their diet provides some folate. Alcohol can also lead to liver damage, further disrupting the body's ability to store and process folate.

Certain Medications

Several prescription medications can interfere with the body's absorption and use of folic acid, leading to a deficiency. Men taking these medications for various health issues may be unknowingly depleting their folate levels. Some of the medications include:

  • Methotrexate: Used to treat certain cancers and autoimmune diseases, it directly interferes with folate metabolism.
  • Phenytoin: An anti-seizure medication that can impair folate absorption.
  • Sulfasalazine: Used for inflammatory bowel disease, it can inhibit folate absorption.
  • Trimethoprim: An antibiotic that can interfere with folate utilization.

Genetic Predisposition (MTHFR Gene Mutation)

Some men have a genetic mutation in the methylenetetrahydrofolate reductase (MTHFR) gene. This gene provides instructions for making an enzyme that is crucial for converting folate into its active form (5-methyl-THF), which the body can use. For individuals with this mutation, the conversion process is less efficient, even with adequate dietary intake, placing them at a higher risk of deficiency.

Gastrointestinal Disorders

Chronic medical conditions affecting the digestive tract can impair the absorption of nutrients, including folate. Celiac disease, Crohn's disease, and other inflammatory bowel conditions can lead to malabsorption, making it difficult for the body to get enough folate from food. Surgical procedures that remove part of the intestine can also affect absorption.

Comparing Causes of Folate Deficiency in Men

Factor How it Leads to Deficiency At-Risk Population
Dietary Habits Insufficient intake of folate-rich foods. Folate is not stored long-term and must be replenished daily. Men with consistently unhealthy eating patterns, limited access to diverse foods, or those overcooking vegetables.
Excessive Alcohol Interferes with folate absorption and increases its urinary excretion. Damages liver, which stores folate. Men who consume alcohol heavily and chronically.
Medications Certain drugs like methotrexate or phenytoin inhibit folate absorption or metabolism. Men being treated with specific anticonvulsants, certain antibiotics, or rheumatoid arthritis medications.
Genetic Factors MTHFR gene mutation hinders the conversion of folate to its active form. Individuals with a specific genetic variation, regardless of diet or lifestyle.
Gastrointestinal Issues Chronic digestive disorders like Crohn's or Celiac disease cause poor nutrient absorption. Men with a history of digestive system diseases or intestinal surgery.

Addressing and Preventing Folic Acid Deficiency

Fortunately, addressing and preventing low folic acid is achievable through dietary and, if necessary, supplemental changes.

Increase Folate-Rich Foods

Prioritizing a diet rich in natural folate sources is the most effective approach. Incorporate more green leafy vegetables (spinach, kale), legumes (lentils, chickpeas), citrus fruits, eggs, and fortified grain products.

Manage Alcohol Intake

Reducing or eliminating excessive alcohol consumption is a critical step for men whose deficiency is linked to heavy drinking.

Discuss Medications with a Doctor

Men on medications known to affect folate levels should consult their healthcare provider. A doctor can monitor folate levels and recommend supplementation to counteract the drug's effect without compromising the primary treatment.

Consider Supplements and Fortified Foods

For men with dietary limitations, malabsorption issues, or the MTHFR gene mutation, supplements containing folic acid or the active form, methylfolate, may be necessary. Many cereals and breads are fortified with folic acid, offering an easy way to increase intake. Always consult a healthcare professional before starting supplementation.

Regular Health Screenings

Regular blood tests can help diagnose and monitor folic acid levels, especially for men with known risk factors. Early detection allows for prompt treatment and prevents more severe complications.

Potential Benefits of Folic Acid for Men

Maintaining optimal folic acid levels is not just about preventing a deficiency. It is also linked to several health benefits for men, including improved fertility and heart health. It supports the production of healthy red blood cells, which prevents anemia and its associated symptoms like fatigue and weakness. Folate also plays a role in regulating homocysteine levels, an amino acid that, when elevated, can increase the risk of cardiovascular disease. For men concerned about fertility, some studies suggest that folic acid, sometimes combined with zinc, can improve sperm quality.

Conclusion

Folic acid deficiency is not exclusive to women and can significantly impact a man's overall health, affecting everything from energy levels and mood to heart health and fertility. The causes are varied, including poor diet, excessive alcohol intake, certain medications, genetic factors, and underlying gastrointestinal conditions. By understanding these risk factors and taking proactive steps—such as improving dietary habits, moderating alcohol consumption, and consulting a doctor about potential drug interactions—men can effectively prevent or address low folic acid levels. Maintaining adequate folate is a simple yet crucial part of a holistic approach to men's wellness.

The Importance of Monitoring

While mild deficiency might go unnoticed, persistent low levels can lead to more serious health issues over time. Therefore, men with known risk factors, or those experiencing symptoms like fatigue, irritability, or cognitive difficulties, should consider a blood test to check their folate levels. Timely intervention ensures any deficiency is corrected before it leads to long-term complications.

Frequently Asked Questions

Symptoms can include fatigue, extreme tiredness, a lack of energy, pale skin, a sore and red tongue, mouth sores, irritability, and cognitive issues like memory problems or difficulty concentrating.

Yes, excessive alcohol consumption can directly interfere with folate absorption and increase its excretion through urine, making it a significant cause of deficiency even if diet is otherwise adequate.

A doctor can diagnose folic acid deficiency with a simple blood test that measures the amount of folate in the blood. This is often done along with a vitamin B12 test.

Yes, men with an MTHFR gene mutation may benefit from supplements containing methylfolate (5-MTHF), the active form of folate, as their body's ability to convert standard folic acid is impaired.

Excellent sources of folate include leafy greens like spinach and kale, legumes such as lentils and chickpeas, citrus fruits, eggs, asparagus, and fortified grains and cereals.

While it is rare to get too much from food alone, excessive intake from supplements can mask a vitamin B12 deficiency and potentially cause other side effects. The Tolerable Upper Limit for adults is 1,000 mcg per day.

With proper treatment, including supplements and dietary changes, a deficiency can typically be corrected in a few months. Regular blood tests help monitor progress and confirm levels have normalized.

Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.