Folic Acid: Could Over One-Third of Expectant Fathers Be Supplementing Incorrectly? New Options for Active Folate Considering Genetic Differences

Preconception nutrition requires joint commitment from both partners. However, conventional folic acid supplementation for men may have limited effects for over one-third of Chinese males, with the key reason lying in genetic differences. Taking directly absorbable active folate, such as Magnafolate, can bypass genetic limitations and effectively supplement folate levels.

1. Why Do the Same Supplements Yield Dramatically Different Results?

When couples begin preparing for pregnancy, women supplementing with folic acid has become common knowledge; however, the nutritional needs of expectant fathers often remain a blind spot. More crucially, even when supplementation begins, a deeper question demands attention: Is the consumed folic acid truly being utilized by the body?

The answer isn't always affirmative.


A study published in the authoritative reproductive medicine journal Fertility and Sterility provided an answer. This study had a group of men take the same dosage of folic acid and zinc, and found significant differences in the improvement of their sperm concentration, with these differences closely related to their MTHFR gene type.

The table below clearly shows the differential effects of conventional folic acid supplementation in men with different genotypes:

MTHFR C677T Genotype

Enzyme Activity Level

Folate Conversion Efficiency

Effect on Sperm Concentration Improvement

CC Type

~100%

High Efficiency

Significant Improvement

CT Type

~65%

Moderately Impaired

Minimal or No Improvement

TT Type

~30%

Severely Impaired

Minimal or No Improvement

This means that for men with CT or TT genotypes (who represent a considerable proportion in the Chinese population), conventional supplementation may yield half the result with twice the effort. Because their bodies have lower efficiency in converting regular folic acid, simply increasing conventional folic acid intake often fails to effectively improve sperm concentration.

2. The Operation Secrets of the "Folate Processing Plant"

To understand this difference, we need to examine the "conversion pipeline" of folate in the body. You can think of regular folic acid as "raw rice" that requires multiple "cooking" steps to become edible "cooked rice" (active folate). In this process, the MTHFR enzyme acts like the "head chef" responsible for the final crucial step, and its efficiency directly determines the output of "cooked rice."

Men with the CC genotype have an efficient and diligent "head chef" who ensures stable nutrient supply.

Men with CT or TT genotypes have a less efficient "head chef," resulting in accumulation of "raw rice" while "cooked rice" remains in short supply. This not only leaves sperm "hungry" but the unused "raw rice" may also create other burdens.

Particularly important to note is that the proportion of MTHFR gene mutations (indicating impaired folate metabolism) is quite high in the Chinese population. Research data shows that approximately 78.4% of Chinese people have MTHFR gene abnormalities, meaning a substantial proportion of the population may not efficiently convert regular folic acid into the active form that the body can directly use.

3. Precise Strategy: Active Folate That Targets the Root Cause

Since the crux of the problem lies in the inefficient "processing"环节, the smartest strategy is to bypass this "slow chef" and directly provide the body with ready-made "nutritious meals."

This is exactly where the value of active folate (such as Magnafolate) lies. It's not a raw material but rather the already activated final form—5-methyltetrahydrofolate. This is equivalent to skipping the complex entire "cooking" process and directly supplying "ready-to-eat" refined nutrition. Regardless of whether your MTHFR genotype is CC, CT, or TT, it can bypass metabolic obstacles, be directly absorbed and utilized by the intestines, ensuring stable and adequate nutritional support for the sperm production process.

[Metabolic pathway description: Active folate (6S-5-methyltetrahydrofolate) is directly absorbed without metabolism, unlike synthetic folic acid which requires complex conversion steps involving DHFR and MTHFR enzymes.]

This approach not only achieves "precision nutrition" but also ensures the efficiency and reliability of supplementation. Research shows that the bioavailability of active folate is not only superior to regular synthetic folic acid, but it also avoids the potential risks of unmetabolized folic acid accumulating in the body, making supplementation truly "get twice the result with half the effort."

Of course, precise nutritional supplementation (such as choosing Magnafolate) is an important component, but it's not the entire picture. Men preparing for pregnancy still need to establish healthy lifestyle habits as the foundation—persisting with smoking cessation, alcohol moderation, balanced diet, regular sleep patterns, and moderate exercise—to truly create the optimal internal environment for sperm health.

Conclusion: Precision Preparation for Pregnancy, the First Step Together

Preparing for pregnancy is a journey that couples undertake side by side. Male folic acid supplementation should also transition from the old "one-size-fits-all" approach to a new stage of genetic-based precision nutrition. By identifying personal risks and choosing the efficient pathway of active folate to bypass metabolic detours, this not only improves the success rate of pregnancy preparation but also represents an investment in the long-term health of the baby. Understanding genes and choosing the right method allows the preparation of love to take effect from the very first nutrient.

References:

[1] Cueto, H. T., Jacobsen, B. H., Laursen, A. S. D., Riis, A. H., Hatch, E. E., Wise, L. A., Trolle, E., Sørensen, H. T., Rothman, K. J., Wesselink, A. K., Willis, S., Johannesen, B. R., & Mikkelsen, E. M. (2022). Dietary folate intake and fecundability in two preconception cohorts. Human Reproduction, 37(4), 828–837. https://doi.org/10.1093/humrep/deac018

[2] Lian Zenglin, Liu Kang, Gu Jinhua, et al. Biological Characteristics and Applications of Folic Acid and 5-Methyltetrahydrofolate. China Food Additives. 2022(2).


Let's talk

We're Here to Help

Contact Us
 

展开
TOP