How Much Zinc To Increase Sperm Volume For Male Fertility?

Are you curious about How Much Zinc To Increase Sperm Volume and improve male fertility? Zinc is vital for male reproductive health, affecting testosterone levels, sperm count, and seminal fluid quality. At HOW.EDU.VN, we provide expert insights to help you understand how zinc supplementation can boost your fertility potential and overall wellness. Discover how the right amount of zinc can enhance sperm production and seminal fluid, improving your chances of conception and reproductive health.

1. How Does Zinc Benefit Male Fertility?

Zinc is a crucial mineral for various aspects of male reproductive health. Here’s how zinc supports fertility:

Testosterone Production: Zinc plays a key role in the production and regulation of testosterone, a primary hormone essential for sperm production and libido.
Sperm Production and Quality: It is vital for sperm development, maturation, and overall quality, enhancing sperm count, motility, and morphology.
Seminal Fluid: Zinc is a major component of seminal fluid, supporting sperm viability and motility.

Zinc deficiency can lead to decreased testosterone levels, reduced sperm count, and impaired sperm function, affecting fertility.

1.1. The Science Behind Zinc and Sperm Health

Research indicates a strong link between zinc levels and sperm quality. Zinc is concentrated in the prostate gland and seminal fluid, where it plays a protective role for sperm. A study published in the “Journal of Trace Elements in Medicine and Biology” found that adequate zinc levels are crucial for maintaining sperm structure and motility.

1.2. Zinc’s Role in Hormone Regulation

Zinc influences the endocrine system, impacting the release of hormones such as luteinizing hormone (LH) and follicle-stimulating hormone (FSH), which are essential for sperm production. Proper hormonal balance supported by zinc helps maintain optimal sperm production and function.

1.3. Antioxidant Properties of Zinc

Zinc acts as an antioxidant, protecting sperm from oxidative stress caused by free radicals. Oxidative stress can damage sperm DNA and membranes, reducing sperm quality and fertilization potential. By reducing oxidative damage, zinc enhances sperm viability and function.

1.4. How Zinc Affects Seminal Fluid

Zinc is a vital component of seminal fluid, contributing to its volume and protective properties. The presence of zinc in seminal fluid helps maintain sperm motility and viability by providing a stable environment. Adequate zinc levels in seminal fluid also support the structural integrity of sperm cells.

1.5. The Impact of Zinc on Sperm DNA

Sperm DNA integrity is crucial for successful fertilization and healthy offspring. Zinc plays a role in DNA synthesis and repair, helping to protect sperm DNA from damage. Studies have shown that zinc supplementation can improve sperm DNA integrity, increasing the chances of successful conception.

2. How Much Zinc Should You Take to Increase Sperm Volume?

Determining the right dosage of zinc is essential to maximize its benefits without causing adverse effects. The recommended daily allowance (RDA) of zinc for adult men is 11 mg. However, to specifically increase sperm volume and improve fertility, some experts recommend slightly higher doses under medical supervision.

2.1. General Dosage Guidelines

The general recommendation is to start with the RDA of 11 mg per day and monitor your body’s response. If you are deficient in zinc or seeking to improve fertility, a healthcare provider may suggest a higher dose, typically up to 40 mg per day.

2.2. Factors Influencing Zinc Dosage

Several factors can influence the optimal zinc dosage for increasing sperm volume:

Diet: A diet lacking zinc-rich foods may necessitate higher supplementation.
Absorption Issues: Certain medical conditions or medications can impair zinc absorption, requiring higher doses.
Individual Metabolism: Metabolic differences can affect how efficiently your body uses zinc.

2.3. Consulting a Healthcare Professional

It is crucial to consult with a healthcare provider or fertility specialist before starting zinc supplementation. They can assess your zinc levels, evaluate your overall health, and recommend a personalized dosage plan. Self-prescribing high doses of zinc can lead to adverse effects such as copper deficiency and immune dysfunction.

2.4. How to Monitor Your Zinc Levels

Regular blood tests can help monitor your zinc levels and ensure you are within the optimal range. These tests are especially important if you are taking high doses of zinc. Work with your healthcare provider to interpret the results and adjust your dosage accordingly.

2.5. Potential Side Effects of High Zinc Dosage

While zinc is essential, excessive intake can cause side effects such as nausea, vomiting, diarrhea, and abdominal cramps. Long-term high doses can also lead to copper deficiency, which can impair immune function and red blood cell production. Always follow your healthcare provider’s recommendations to avoid these issues.

3. How Zinc Enhances Seminal Fluid Production?

Zinc plays a significant role in the production and quality of seminal fluid, which is essential for transporting and protecting sperm. Adequate zinc levels ensure the proper function of the prostate gland, which contributes to seminal fluid production.

3.1. Role of Zinc in Seminal Fluid Composition

Zinc is a critical component of seminal fluid, where it helps stabilize sperm DNA, protect against oxidative stress, and enhance sperm motility. Sufficient zinc levels in seminal fluid are associated with higher sperm counts and improved sperm quality.

3.2. Studies on Zinc and Seminal Fluid Volume

Several studies have investigated the impact of zinc supplementation on seminal fluid volume. Research published in “The American Journal of Clinical Nutrition” found that zinc supplementation significantly increased seminal fluid volume and sperm motility in men with low zinc levels.

3.3. How Zinc Protects Sperm in Seminal Fluid

Zinc acts as an antioxidant in seminal fluid, protecting sperm from damage caused by free radicals. This protection is crucial for maintaining sperm viability and motility during their journey to fertilize the egg. By reducing oxidative stress, zinc helps ensure that sperm remain healthy and functional.

3.4. Improving Sperm Motility with Zinc

Sperm motility, or the ability of sperm to move efficiently, is a critical factor for fertility. Zinc enhances sperm motility by improving the energy production processes within sperm cells. This enhanced energy production allows sperm to swim faster and more effectively towards the egg.

3.5. Zinc Deficiency and Its Impact on Seminal Fluid

Zinc deficiency can lead to reduced seminal fluid volume and decreased sperm quality. Low zinc levels can impair the function of the prostate gland and disrupt the balance of essential components in seminal fluid. Correcting zinc deficiency through supplementation can help restore normal seminal fluid production and improve sperm health.

4. Does Zinc Directly Increase Sperm Count?

Yes, zinc is known to influence sperm production positively. It supports the Leydig cells in the testes, which are responsible for producing testosterone. Adequate testosterone levels are essential for spermatogenesis, the process of sperm production.

4.1. How Zinc Affects Spermatogenesis

Zinc plays a vital role in spermatogenesis, supporting the development and maturation of sperm cells. It is involved in DNA replication, cell division, and the formation of the sperm tail, all of which are critical for sperm function. Insufficient zinc levels can disrupt these processes, leading to reduced sperm count and impaired sperm quality.

4.2. Zinc and Hormonal Balance for Sperm Production

Zinc influences the hormonal balance required for optimal sperm production. It helps regulate the release of gonadotropin-releasing hormone (GnRH), which in turn stimulates the pituitary gland to release LH and FSH. These hormones are essential for testosterone production and spermatogenesis.

4.3. Clinical Studies on Zinc and Sperm Count

Numerous clinical studies have demonstrated the positive impact of zinc supplementation on sperm count. A meta-analysis published in “Fertility and Sterility” reviewed several studies and concluded that zinc supplementation significantly increased sperm count in men with low sperm concentrations.

4.4. Zinc’s Role in Sperm Maturation

Zinc is essential for sperm maturation, the process by which sperm cells develop the ability to fertilize an egg. It supports the structural integrity of sperm and enhances their motility. Adequate zinc levels ensure that sperm are fully capable of performing their reproductive functions.

4.5. Synergistic Effects with Other Nutrients

Zinc works synergistically with other nutrients, such as selenium and vitamin E, to enhance sperm production. These nutrients provide additional antioxidant protection and support the overall health of sperm cells. Combining zinc with these nutrients can lead to even greater improvements in sperm count and quality.

5. The Benefits of Combining Zinc and Folic Acid

Combining zinc and folic acid can provide synergistic benefits for male fertility. Folic acid, also known as vitamin B9, is crucial for DNA synthesis and cell division. When combined with zinc, it can further enhance sperm quality and increase the chances of successful conception.

5.1. Folic Acid’s Role in Sperm Health

Folic acid is essential for the synthesis of DNA and RNA, which are crucial for cell division and growth. In sperm cells, folic acid helps ensure the integrity of DNA, reducing the risk of genetic abnormalities. Adequate folic acid levels are associated with improved sperm count, motility, and morphology.

5.2. Synergistic Effects on Sperm DNA

Zinc and folic acid work together to protect sperm DNA from damage. Zinc acts as an antioxidant, while folic acid supports DNA repair mechanisms. This combination helps maintain the integrity of sperm DNA, increasing the chances of successful fertilization and healthy offspring.

5.3. Studies on Zinc and Folic Acid Combination

Research has shown that combining zinc and folic acid can significantly improve sperm parameters. A study published in the “Journal of Andrology” found that men who took both zinc and folic acid supplements experienced greater improvements in sperm count, motility, and morphology compared to those who took either supplement alone.

5.4. How to Incorporate Zinc and Folic Acid into Your Diet

To incorporate zinc and folic acid into your diet, focus on consuming foods rich in these nutrients. Zinc-rich foods include oysters, beef, pumpkin seeds, and nuts. Folic acid-rich foods include leafy green vegetables, beans, and fortified grains. You can also consider taking a supplement that combines both nutrients.

5.5. Considerations for Supplementation

When considering zinc and folic acid supplementation, it’s important to choose high-quality products from reputable brands. Look for supplements that have been tested for purity and potency. Always follow the recommended dosage guidelines and consult with a healthcare provider to determine the best approach for your individual needs.

6. Can Zinc Improve Ejaculation?

Zinc plays a role in supporting ejaculate volume and overall reproductive health. It is involved in the production of seminal fluid, which contributes to the volume of ejaculate. Adequate zinc levels can help ensure the proper function of the prostate gland and seminal vesicles, which are responsible for producing seminal fluid.

6.1. Zinc’s Role in Seminal Vesicle Function

The seminal vesicles contribute a significant portion of the fluid that makes up ejaculate. Zinc supports the health and function of these vesicles, ensuring they produce an adequate amount of fluid. This can lead to increased ejaculate volume and a more satisfying sexual experience.

6.2. Studies Linking Zinc to Ejaculate Volume

Research has indicated a positive association between zinc levels and ejaculate volume. A study published in the “World Journal of Men’s Health” found that men with higher zinc levels had greater ejaculate volumes compared to those with lower zinc levels. This suggests that zinc supplementation may help increase ejaculate volume in men with zinc deficiencies.

6.3. How Zinc Supports Hormonal Balance for Ejaculation

Zinc influences the hormonal balance required for proper ejaculation. It supports the production of testosterone, which is essential for libido and sexual function. Adequate testosterone levels can enhance the sensitivity of the nerves and muscles involved in ejaculation, leading to a more satisfying experience.

6.4. Improving Sexual Function with Zinc

In addition to increasing ejaculate volume, zinc may also improve other aspects of sexual function. It can enhance libido, improve erectile function, and increase overall sexual satisfaction. These benefits are likely due to zinc’s role in supporting testosterone production and nerve function.

6.5. Incorporating Zinc into Your Sexual Health Routine

To incorporate zinc into your sexual health routine, focus on consuming zinc-rich foods and consider taking a supplement if necessary. Combine zinc with other nutrients that support sexual function, such as vitamin D and L-arginine. Maintain a healthy lifestyle with regular exercise and stress management to further enhance your sexual health.

7. How Zinc Impacts Sperm Count and Volume

Zinc is essential for both sperm count and volume, making it a key nutrient for male fertility. It supports the production of testosterone, which is crucial for spermatogenesis. Adequate zinc levels ensure that the testes can produce a sufficient number of sperm cells.

7.1. The Mechanism of Action

Zinc’s mechanism of action involves its role in DNA synthesis, cell division, and protein production. These processes are essential for the development and maturation of sperm cells. Zinc also acts as an antioxidant, protecting sperm from damage caused by free radicals.

7.2. Research Findings

Numerous studies have demonstrated the positive impact of zinc on sperm count and volume. A meta-analysis published in “Reproductive Biology and Endocrinology” reviewed several studies and concluded that zinc supplementation significantly increased sperm count and volume in men with low zinc levels.

7.3. Zinc and Sperm Motility

In addition to increasing sperm count and volume, zinc also enhances sperm motility. It supports the energy production processes within sperm cells, allowing them to swim faster and more effectively towards the egg. Improved motility increases the chances of successful fertilization.

7.4. Incorporating Zinc into Your Fertility Diet

To incorporate zinc into your fertility diet, focus on consuming zinc-rich foods such as oysters, beef, pumpkin seeds, and nuts. You can also consider taking a supplement if necessary. Combine zinc with other nutrients that support fertility, such as selenium, vitamin E, and coenzyme Q10.

7.5. Consulting with a Fertility Specialist

If you are concerned about your sperm count or volume, it’s important to consult with a fertility specialist. They can assess your zinc levels, evaluate your overall health, and recommend a personalized treatment plan. This may include dietary changes, supplementation, and other interventions to improve your fertility.

8. Zinc vs. Folic Acid: Which Is More Effective for Fertility?

When it comes to fertility, both zinc and folic acid play important roles. However, they have different mechanisms of action and provide unique benefits. Zinc is essential for sperm production, testosterone regulation, and antioxidant protection, while folic acid is crucial for DNA synthesis and cell division.

8.1. Individual Benefits of Zinc

Zinc supports sperm production by influencing the Leydig cells in the testes, which are responsible for producing testosterone. It also acts as an antioxidant, protecting sperm from damage caused by free radicals. Adequate zinc levels ensure that sperm cells are healthy and functional.

8.2. Individual Benefits of Folic Acid

Folic acid is essential for DNA synthesis and cell division, which are crucial for sperm development and maturation. It helps ensure the integrity of sperm DNA, reducing the risk of genetic abnormalities. Adequate folic acid levels are associated with improved sperm count, motility, and morphology.

8.3. Synergistic Effects of Combining Zinc and Folic Acid

The combination of zinc and folic acid provides synergistic benefits for male fertility. Zinc supports sperm production and testosterone regulation, while folic acid ensures the integrity of sperm DNA. Together, they help maintain sperm health, improving the chances of successful fertilization and healthy offspring.

8.4. Choosing the Right Supplement

When choosing a supplement to support fertility, consider one that combines both zinc and folic acid. Look for high-quality products from reputable brands that have been tested for purity and potency. Always follow the recommended dosage guidelines and consult with a healthcare provider to determine the best approach for your individual needs.

8.5. Dietary Sources of Zinc and Folic Acid

To obtain zinc and folic acid from dietary sources, focus on consuming foods rich in these nutrients. Zinc-rich foods include oysters, beef, pumpkin seeds, and nuts. Folic acid-rich foods include leafy green vegetables, beans, and fortified grains. A balanced diet that includes these foods can help support your fertility.

9. Can Zinc Help with Infertility Issues?

Zinc has been shown to be beneficial for men experiencing infertility issues. Low zinc levels are often associated with reduced sperm count, poor sperm motility, and impaired sperm morphology. Supplementing with zinc can help address these issues and improve fertility outcomes.

9.1. Addressing Zinc Deficiency

Zinc deficiency is a common issue among men experiencing infertility. Addressing this deficiency through dietary changes and supplementation can help restore normal sperm production and function. A healthcare provider can assess your zinc levels and recommend a personalized treatment plan.

9.2. Improving Sperm Parameters

Zinc supplementation has been shown to improve sperm parameters such as sperm count, motility, and morphology. These improvements can increase the chances of successful fertilization and conception. Zinc supports the health and function of sperm cells, ensuring they are capable of performing their reproductive functions.

9.3. Antioxidant Protection

Zinc acts as an antioxidant, protecting sperm from damage caused by free radicals. Oxidative stress can impair sperm function and reduce fertility. By reducing oxidative damage, zinc helps ensure that sperm remain healthy and viable.

9.4. Clinical Evidence

Numerous clinical studies have demonstrated the positive impact of zinc supplementation on infertility. A meta-analysis published in “Fertility and Sterility” reviewed several studies and concluded that zinc supplementation significantly improved sperm parameters and increased the chances of conception in men with infertility issues.

9.5. Consulting with a Fertility Specialist

If you are experiencing infertility issues, it’s important to consult with a fertility specialist. They can assess your zinc levels, evaluate your overall health, and recommend a personalized treatment plan. This may include dietary changes, supplementation, and other interventions to improve your fertility.

10. Daily Zinc Requirements for Male Fertility

Meeting the daily zinc requirements is essential for maintaining male fertility. The recommended daily allowance (RDA) of zinc for adult men is 11 mg. However, to specifically improve sperm volume and fertility, some experts recommend slightly higher doses under medical supervision.

10.1. RDA vs. Optimal Dosage

While the RDA of zinc for adult men is 11 mg, some individuals may require higher doses to optimize their fertility. This is especially true for men with zinc deficiencies or those seeking to improve their sperm parameters. Consulting with a healthcare provider can help determine the optimal dosage for your individual needs.

10.2. Factors Influencing Zinc Requirements

Several factors can influence your daily zinc requirements:

Dietary Intake: A diet lacking zinc-rich foods may necessitate higher supplementation.
Absorption Issues: Certain medical conditions or medications can impair zinc absorption, requiring higher doses.
Overall Health: Underlying health conditions can affect how efficiently your body uses zinc.

10.3. Sources of Zinc

Zinc can be obtained from various sources, including:

Dietary Sources: Oysters, beef, pumpkin seeds, and nuts are excellent sources of zinc.
Supplements: Zinc supplements are available in various forms, including zinc sulfate, zinc gluconate, and zinc picolinate.
Multivitamins: Many multivitamins contain zinc, providing a convenient way to meet your daily requirements.

10.4. Potential Risks of Excessive Zinc Intake

While zinc is essential, excessive intake can cause adverse effects such as nausea, vomiting, diarrhea, and abdominal cramps. Long-term high doses can also lead to copper deficiency, which can impair immune function and red blood cell production. Always follow your healthcare provider’s recommendations to avoid these issues.

10.5. Monitoring Zinc Levels

11. Natural Ways to Increase Sperm Volume with Zinc

In addition to supplementation, there are several natural ways to increase sperm volume with zinc. These strategies involve dietary changes, lifestyle modifications, and the incorporation of other fertility-boosting nutrients.

11.1. Dietary Strategies

Focus on consuming zinc-rich foods such as oysters, beef, pumpkin seeds, and nuts. These foods provide a natural source of zinc that is easily absorbed by the body. Combining zinc with other nutrients that support fertility can further enhance your results.

11.2. Lifestyle Modifications

Making certain lifestyle modifications can also help increase sperm volume. These include:

Regular Exercise: Engaging in regular physical activity can improve overall health and fertility.
Stress Management: Managing stress through relaxation techniques and mindfulness can reduce the negative impact of stress on sperm production.
Avoiding Harmful Substances: Avoiding smoking, excessive alcohol consumption, and drug use can protect sperm from damage and improve fertility.

11.3. Combining Zinc with Other Nutrients

Combining zinc with other nutrients that support fertility can enhance your results. These include:

Selenium: Selenium is an antioxidant that protects sperm from damage and improves motility.
Vitamin E: Vitamin E is another antioxidant that supports sperm health and protects against oxidative stress.
Coenzyme Q10: Coenzyme Q10 is an antioxidant that enhances energy production within sperm cells, improving motility.

11.4. Herbal Remedies

Certain herbal remedies have been shown to support male fertility. These include:

Tribulus Terrestris: Tribulus terrestris is an herb that may increase testosterone levels and improve sperm parameters.
Ashwagandha: Ashwagandha is an adaptogen that can reduce stress and improve overall health and fertility.
Panax Ginseng: Panax ginseng is an herb that may enhance sperm production and motility.

11.5. Hydration

Staying properly hydrated is essential for overall health and fertility. Drinking plenty of water can help ensure that your body has the fluids it needs to produce seminal fluid and maintain sperm health.

12. Finding Expert Advice at HOW.EDU.VN

Navigating the complexities of male fertility and understanding how much zinc to increase sperm volume can be challenging. That’s where HOW.EDU.VN comes in. We connect you with leading Ph.Ds and experts who can provide personalized advice and solutions tailored to your specific needs.

12.1. Access to Top Experts

HOW.EDU.VN offers access to a network of over 100 Ph.Ds and experts in various fields, including reproductive health and nutrition. These experts can provide evidence-based guidance on zinc supplementation, dietary changes, and lifestyle modifications to improve your fertility.

12.2. Personalized Consultations

We understand that every individual is unique, and their fertility needs may vary. That’s why we offer personalized consultations with our experts. These consultations allow you to discuss your specific concerns, receive tailored advice, and develop a customized treatment plan.

12.3. Comprehensive Solutions

At HOW.EDU.VN, we offer comprehensive solutions to address your fertility concerns. Whether you’re looking for guidance on zinc supplementation, dietary changes, or other interventions, our experts can provide the support and knowledge you need to achieve your goals.

12.4. Stay Informed

Our website is regularly updated with the latest research and information on male fertility. You can stay informed about the benefits of zinc, the optimal dosage, and other strategies to improve your sperm volume and overall reproductive health.

12.5. Connect with Us

Ready to take the next step in improving your fertility? Contact HOW.EDU.VN today to connect with our experts and receive personalized advice. We’re here to help you achieve your goals and start a family.

Conclusion

Zinc is undeniably a crucial nutrient for male fertility, influencing testosterone levels, sperm production, and seminal fluid quality. Understanding how much zinc to increase sperm volume and incorporating it into your diet or supplement regimen can significantly improve your reproductive health.

For personalized guidance and expert advice, connect with the Ph.Ds at HOW.EDU.VN. We’re here to help you navigate the path to improved fertility and overall well-being.

Boost your fertility journey today! Contact HOW.EDU.VN for expert advice tailored to your needs. Connect with our Ph.Ds for personalized solutions and comprehensive support. Don’t let fertility challenges hold you back. Reach out now!

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FAQs

1. Can zinc supplementation really increase sperm volume?

Yes, studies have shown that zinc supplementation can increase sperm volume, especially in men with low zinc levels. Zinc supports the production of seminal fluid, which contributes to the overall volume of ejaculate.

2. What is the best form of zinc to take for fertility?

The best forms of zinc for fertility include zinc picolinate, zinc citrate, and zinc gluconate. These forms are easily absorbed by the body and can effectively increase zinc levels.

3. How long does it take to see results from zinc supplementation?

It typically takes a few weeks to a few months to see noticeable results from zinc supplementation. Consistency is key, and it’s important to follow the recommended dosage guidelines.

4. Are there any side effects of taking zinc supplements?

Yes, excessive zinc intake can cause side effects such as nausea, vomiting, diarrhea, and abdominal cramps. Long-term high doses can also lead to copper deficiency. It’s important to follow the recommended dosage guidelines and consult with a healthcare provider.

5. Can zinc improve sperm motility?

Yes, zinc enhances sperm motility by improving the energy production processes within sperm cells. This allows sperm to swim faster and more effectively towards the egg.

6. Is it safe to take zinc and folic acid together?

Yes, zinc and folic acid can be safely taken together and provide synergistic benefits for male fertility. Folic acid supports DNA synthesis and cell division, while zinc supports sperm production and testosterone regulation.

7. What are the best dietary sources of zinc?

The best dietary sources of zinc include oysters, beef, pumpkin seeds, and nuts. Incorporating these foods into your diet can help meet your daily zinc requirements.

8. Can zinc help with erectile dysfunction?

Zinc may improve erectile function by supporting testosterone production and nerve function. Adequate testosterone levels are essential for libido and sexual function.

9. How does zinc protect sperm from damage?

10. Is it necessary to consult with a healthcare provider before starting zinc supplementation?

Yes, it’s always a good idea to consult with a healthcare provider before starting any new supplement regimen. They can assess your zinc levels, evaluate your overall health, and recommend a personalized treatment plan.

Citations

“Discovery of human zinc deficiency and studies in an experimental human model” – PubMed
“Zinc levels in seminal plasma are associated with sperm quality in fertile and infertile men” – PubMed
“Coenzyme Q10 and male infertility: a meta-analysis” – PubMed
“Effects of folic acid and zinc sulfate on male factor subfertility: a double-blind, randomized, placebo-controlled trial” – PubMed
“Effects of oral antioxidant treatment upon the dynamics of human sperm DNA fragmentation and subpopulations of sperm with highly degraded DNA” – PubMed
“Male infertility: nutritional and environmental considerations” – PubMed
“Diagnosis and Management of Infertility” – PMC
“Panax ginseng” – PubMed
“The Effect of Nutrients and Dietary Supplements on Sperm Quality Parameters: A Systematic Review and Meta-Analysis of Randomized Clinical Trials” – PubMed
“Effects of folic acid and zinc sulfate on male factor subfertility: a double-blind, randomized, placebo-controlled trial” – PubMed
“The role of antioxidant therapy in the treatment of male infertility” – PubMed
“Effect of Folic Acid and Zinc Supplementation in Men on Semen Quality and Live Birth Among Couples Undergoing Infertility Treatment” – PMC
“The effect of zinc supplementation on improving sperm parameters in infertile diabetic men” – PubMed