Do Men Really Need Fertility Supplements? What the Evidence Says

When couples begin thinking about starting a family, the conversation around preparation tends to focus on the woman. She is the one advised to take folic acid, adjust her diet and book a preconception appointment. But conception is a partnership, and male fertility plays an equally important role in the outcome.

According to the World Health Organization, male factors are involved in approximately half of all cases where couples experience difficulty conceiving.¹ Sperm count, motility, morphology and DNA integrity all influence the chances of successful fertilisation. And all of these can be affected by nutrition, lifestyle and overall health.

So do men really need fertility supplements? In this article we look at the evidence, explain which nutrients matter most and explore what men can do to support their reproductive health in the months before trying to conceive.

Why male fertility matters as much as female fertility

Fertility is not a one sided equation. While much of the public conversation centres on female age and egg quality, the reality is that sperm health is just as relevant. A healthy pregnancy begins with a healthy egg and a healthy sperm meeting under the right conditions.

Several factors can influence male fertility, including:

• Sperm count and concentration
• Motility (how well sperm move)
• Morphology (the size and shape of sperm)
• DNA integrity (the quality of genetic material within the sperm)

Lifestyle factors also play a significant role. Smoking, excessive alcohol consumption, poor sleep, chronic stress, being overweight and a nutrient poor diet have all been associated with reduced semen quality in published research.²

Age is a factor too. While male fertility does not decline as sharply as female fertility, sperm quality and DNA integrity can be affected by age, particularly from the mid 40s onward.³

None of this should cause alarm. The purpose is simply to highlight that male reproductive health deserves the same thoughtful preparation that we routinely encourage for women.

The sperm maturation timeline: why the 74 day window matters

Sperm are not produced overnight. The process of spermatogenesis, from the initial development of a sperm cell to its full maturation, takes approximately 74 days. After that, sperm require additional time to travel through the reproductive tract before they are ready for ejaculation.⁴

This means that the sperm involved in conception today were being formed roughly three months ago. Whatever a man was eating, drinking, supplementing with or exposed to during that window will have influenced the quality of those sperm cells.

This is precisely why fertility specialists, including the NHS, recommend that men begin making positive nutritional and lifestyle changes at least three months before trying to conceive or starting fertility treatment such as IVF.⁵

 

 

Key nutrients for male fertility

Research has identified a number of micronutrients that play important roles in male reproductive function. These are the nutrients most commonly included in specialist male fertility supplement formulations, and each has a specific evidence base behind it.

Selenium

Selenium is a trace mineral with potent antioxidant properties. It is required for the proper development and maturation of sperm cells and is involved in protecting sperm DNA from oxidative damage. Selenium contributes to normal spermatogenesis, which is one of the few nutrient claims officially authorised in relation to male reproduction.⁶

Zinc

Zinc is found in high concentrations in the prostate gland and seminal fluid. It is essential for sperm production, membrane stability and DNA synthesis. Zinc contributes to normal fertility and reproduction and to the maintenance of normal testosterone levels.⁷

Vitamins C and E

Sperm cells are particularly susceptible to oxidative damage because of the high proportion of polyunsaturated fatty acids in their cell membranes. Vitamins C and E both contribute to the protection of cells from oxidative stress, helping to shield sperm from free radical damage during development and transport.⁸

DHA omega 3

DHA is the most abundant fatty acid in the sperm cell membrane and plays a structural role in maintaining membrane fluidity and integrity. Studies have linked higher DHA levels in sperm with improved motility and morphology. Because the body cannot produce DHA efficiently on its own, dietary intake or supplementation is important.⁹

B vitamins including folate and B12

Folate contributes to normal blood formation and has a role in the process of cell division, which is directly relevant to the rapid cell turnover involved in sperm production. Vitamin B12 contributes to normal energy yielding metabolism and red blood cell formation. Together, the B vitamin group supports the metabolic processes underpinning healthy sperm development.¹⁰

What the official evidence supports:

In the EU and UK, health claims made about food supplements must be authorised by the European Food Safety Authority (EFSA). This provides an additional layer of credibility and ensures that any statements about a nutrient's function are supported by scientific evidence.

The following claims are officially authorised and directly relevant to male fertility supplements:^6,7,8,10

• Selenium contributes to normal spermatogenesis
• Zinc contributes to normal fertility and reproduction
• Zinc contributes to the maintenance of normal testosterone levels
• Vitamin C contributes to the protection of cells from oxidative stress
• Vitamin E contributes to the protection of cells from oxidative stress
• Folate contributes to normal blood formation and has a role in the process of cell division
• Vitamin B12 contributes to normal energy yielding metabolism

These are not marketing claims. They are scientifically assessed statements approved by a regulatory authority. When evaluating male fertility supplements in the UK, checking whether the listed benefits align with authorised claims is a good starting point.

 

 

What to look for in a quality male fertility supplement

The supplement market is crowded, and not every product marketed for male fertility is created with the same level of care. If you are looking for the best male fertility vitamins in the UK, here are some criteria worth considering.

• Evidence led formulation: The product should contain nutrients with published evidence supporting their role in male reproductive health, not just trending ingredients.
• Meaningful nutrients, not generic fillers: A specialist male preconception supplement should focus on nutrients relevant to sperm health, not simply replicate a standard multivitamin formula.
• Appropriate nutrient forms: The bioavailability of a nutrient depends on its form. Look for methylfolate rather than folic acid, and chelated minerals where possible.
• Sensible daily dosing: Effective doses based on evidence rather than excessively high amounts that offer no additional benefit.
• Trusted specialist brand: Products developed by brands with genuine expertise in fertility and reproductive health carry more weight than generic wellness brands.
• Easy routine adherence: The best supplement is one you will actually take consistently. A simple daily routine is far more effective than a complicated multi product protocol that you abandon after a fortnight.

Vitamen: a closer look

Zita West Vitamen is formulated as a comprehensive daily multivitamin specifically for men who are trying to conceive. It was developed through years of clinical practice at a leading fertility clinic, with a focus on providing the nutrients that matter most for sperm health at meaningful doses.

Vitamen includes:

• Zinc which contributes to normal fertility and reproduction
• Selenium which contributes to normal spermatogenesis
• Vitamins C and E for antioxidant support
• B vitamins including folate and B12
• Vitamin D which contributes to the normal function of the immune system

It is designed to be taken as a single daily supplement, making it straightforward to incorporate into an everyday routine. For men who also want to include omega 3 support, Vital DHA can be taken alongside Vitamen to provide DHA and EPA fatty acids for sperm membrane health.

Common mistakes men make with fertility preparation

Even with the best intentions, there are a few common pitfalls that can undermine a man's preconception preparation. Being aware of these can help you avoid them.

Assuming fertility is only a female issue

This is the most common and most significant mistake. Fertility is a shared responsibility, and both partners benefit from preparation. Waiting until problems arise before considering male health is a missed opportunity.

Thinking preparation doesn't matter

Because sperm take around 74 days to develop, beginning supplements or lifestyle changes just a few weeks before trying to conceive does not give the body enough time to make a meaningful difference. Three months is the minimum recommended lead time.

Non fertility focused multivitamins

A specialist male fertility supplement is often preferable to a generic multivitamin because it focuses on nutrients relevant to reproductive health rather than broad everyday maintenance. Generic formulations may not include the right nutrients at the right doses for sperm health.

Ignoring lifestyle basics

Supplements work best alongside a healthy lifestyle, not in place of one. A nutrient rich diet, regular exercise, adequate sleep, limited alcohol and avoiding smoking all contribute to an environment where supplements can do their best work.

Inconsistent use

Supplements only work when taken consistently. The 74 day sperm cycle means that daily intake over a sustained period is what matters, not occasional use.

Not checking overall health

A semen analysis and general health check before trying to conceive can identify any issues early and allow both partners to address them proactively.

A shared approach: The Zita West Fertility Couples Edit

Fertility preparation is most effective when both partners are involved. The Zita West Fertility Couples Edit provides a simple shared protocol that supports both of you during the preconception window.

• Vitafem for her: a comprehensive fertility multivitamin with methylfolate, vitamin D, zinc and antioxidants
• Vitamen for him: a specialist male preconception multivitamin with zinc, selenium, B vitamins and antioxidant support
• Vital DHA for both: high quality omega 3 providing DHA and EPA for cell membrane health

One edit, everything both of you need. It is a practical, evidence led way to start your fertility journey together.

Frequently asked questions

Do men need fertility supplements?

While a balanced diet provides a strong foundation, many men may not consistently meet the nutrient levels needed to optimise sperm health. A targeted male fertility supplement can help fill nutritional gaps, particularly during the 74 day sperm development window before conception.

 

What are the best male fertility supplements in the UK?

The best male fertility supplements contain nutrients with evidence for reproductive health, such as selenium, zinc, vitamins C and E, folate and DHA omega 3. Look for products formulated by fertility specialists rather than generic high street multivitamins.

 

How long should men take supplements before trying for a baby?

At least three months. Sperm take approximately 74 days to develop, so starting supplements at least 12 weeks before trying to conceive allows the full maturation cycle to benefit from improved nutrition.

 

Does zinc help male fertility?

Yes. Zinc contributes to normal fertility and reproduction and to the maintenance of normal testosterone levels. These are EFSA authorised claims based on scientific evidence. Zinc is found in high concentrations in seminal fluid and is essential for sperm production and DNA synthesis.

 

Is selenium important for sperm health?

Selenium contributes to normal spermatogenesis, which is the process of sperm cell development. This is an officially authorised health claim. Selenium also has antioxidant properties that help protect developing sperm from oxidative damage.

 

Should men take omega 3 when trying to conceive?

DHA omega 3 is the most abundant fatty acid in the sperm cell membrane and supports membrane fluidity and structural integrity. Research has linked adequate DHA intake with improved sperm motility and morphology. For men who do not regularly eat oily fish, supplementation with a product like Vital DHA can be beneficial.

 

Can a regular multivitamin help fertility?

A generic multivitamin may provide some useful nutrients, but it is unlikely to contain the specific forms and doses most relevant to male reproductive health. A specialist male fertility supplement is designed to target the nutrients that matter for sperm development, antioxidant protection and reproductive function.

 

What should both partners take before IVF?

Both partners benefit from targeted nutritional support before IVF. For women, key nutrients include methylfolate, vitamin D, zinc and antioxidants. For men, selenium, zinc, vitamins C and E, and DHA are particularly important. Starting at least three months before treatment allows time for the nutrients to support egg and sperm quality during their maturation windows.

 

References

1. World Health Organization. Infertility fact sheet. WHO. 2023.
2. Gaskins AJ, Chavarro JE. Diet and fertility: a review. American Journal of Obstetrics and Gynecology. 2018;218(4):379–389.
3. Johnson SL et al. Consistent age-dependent declines in human semen quality: a systematic review and meta-analysis. Ageing Research Reviews. 2015;19:22–33.
4. Amann RP. The cycle of the seminiferous epithelium in humans: a need to revisit? Journal of Andrology. 2008;29(5):469–487.
5. NHS. How can I improve my chances of becoming a dad? NHS Website. 2023.
6. EFSA Panel on Dietetic Products, Nutrition and Allergies. Scientific opinion on the substantiation of health claims related to selenium. EFSA Journal. 2009;7(9):1220.
7. EFSA Panel on Dietetic Products, Nutrition and Allergies. Scientific opinion on the substantiation of health claims related to zinc. EFSA Journal. 2009;7(9):1229.
8. Tremellen K. Oxidative stress and male infertility: a clinical perspective. Human Reproduction Update. 2008;14(3):243–258.
9. Safarinejad MR. Effect of omega 3 polyunsaturated fatty acid supplementation on semen profile and enzymatic anti-oxidant capacity of seminal plasma. International Journal of Fertility and Sterility. 2011;5(2):72–77.
10. EFSA Panel on Dietetic Products, Nutrition and Allergies. Scientific opinion on the substantiation of health claims related to folate. EFSA Journal. 2009;7(10):1213.