Fertility
Fertility in men hinges on sperm count, quality, and motility, all of which can be influenced by lifestyle, diet, and environmental exposures. Understanding these factors helps men make informed choices to support reproductive health and address the growing concerns around declining male fertility rates.
Key takeaways
- ✓Male-factor infertility is common — get tested rather than assuming the issue lies elsewhere.
- ✓Heat, smoking, and excess alcohol are the most consistently evidence-backed modifiable risk factors.
- ✓Testosterone therapy can suppress fertility — flag this to a doctor if you're trying to conceive.
- ✓Lifestyle changes help at the margins; abnormal results need a specialist work-up, not just supplements.
- ✓This is a medical topic — a fertility specialist, not video content, should guide treatment decisions.
Where to start with fertility health
- 1Get a semen analysis if you and a partner have been trying to conceive for 12+ months (6 months if the partner is over 35) — it's the only way to know where you stand.
- 2Address the modifiable basics: avoid excessive heat exposure to the testes (hot tubs, laptop-on-lap), maintain a healthy weight, and moderate alcohol.
- 3Reduce or stop smoking and recreational drug use — both are consistently linked to lower sperm count and quality.
- 4Review medications and supplements with a doctor — some, including certain testosterone products, can suppress natural fertility.
- 5See a urologist or fertility specialist for a full work-up rather than relying on lifestyle changes alone if results are abnormal.
Evidence overview
How claims about fertility across all reviewed videos stack up against the evidence.
- Claims assessed
- 61
- Strongly supported
- 13
- Mixed evidence
- 7
- Weak evidence
- 2
- Unsupported
- 1
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Top claims in this topic
- “Taking a daily multivitamin that includes folic acid, selenium, and vitamin E can raise overall male fertility rates by 10–15%.”Claim extracted — not yet reviewedSee evidence →
- “These fertility foods are scientifically proven to boost your sperm count naturally.”Claim extracted — not yet reviewedSee evidence →
- “Age affects male fertility”Claim extracted — not yet reviewedSee evidence →
Common myths about fertility
Myth: “Male fertility issues are rare — it's usually the woman.”
Reality: Male factors contribute to roughly half of infertility cases; a semen analysis is a standard, non-invasive first step for either partner.
Myth: “If you can get an erection and ejaculate, your fertility is fine.”
Reality: Sperm count, motility, and morphology can't be assessed without a semen analysis — sexual function and fertility are separate things.
Featured this week
Sperm Health and Male Fertility
Dr. Natalie Crawford discusses the biological factors influencing sperm health and male fertility, breaking down common misconceptions and diagnostic markers. The video aims to provide a clinical overview of how lifestyle, anatomy, and genetics impact reproductive outcomes.
Natalie Crawford, MD
Sperm count anxiety: The unproven hacks men are using to try and boost fertility - BBC World Service
The BBC World Service video examines the growing anxiety around low sperm counts and critiques a range of unverified methods men are trying to improve fertility.
BBC World Service
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All videos
Top 5 Supplements for Male Fertility | CoQ10, Vitamin C, Vitamin E, Zinc & L-Carnitine
Board-certified urologist Dr. Justin Houman reviews five commonly discussed supplements—CoQ10, Vitamin C, Vitamin E, Zinc, and L-Carnitine—and their potential role in supporting male fertility. The video briefly evaluates whether these specific compounds can help improve sperm parameters.
HoumanMD l Cedars-Sinai l Men's Health Unlocked
5 Sperm Killers That Hurt Male Fertility (and How to Fix Them)
Dr. Justin Houman, a urologist at Cedars-Sinai, outlines five common lifestyle habits that can negatively impact male male fertility and offers basic strategies to address them.
HoumanMD l Cedars-Sinai l Men's Health Unlocked
Male fertility: does sperm quality affect pregnancy?
Dr. Juan Andino from UCLA Health discusses the impact of sperm quality on fertility and provides general guidance on how men can support their reproductive health. This brief video highlights the often-overlooked role of male factors in the pregnancy process.
UCLA Health
351 ‒ Male fertility: optimizing reproductive health, treating infertility, & navigating TRT
Dr. Peter Attia discusses male fertility, covering optimization strategies, infertility treatment options, and considerations when using testosterone replacement therapy (TRT).
Peter Attia MD
Why Male Fertility Is Declining Drastically | Dr. Shanna Swan & Dr. Andrew Huberman
Dr. Shanna Swan and Dr. Andrew Huberman discuss the documented decline in male sperm counts, its potential health implications, and factors that may influence fertility.
Huberman Lab Clips
Boost Male Fertility Naturally: Top Tips for Healthier Sperm (Part 2)
Dr. Lora Shahine discusses evidence-based lifestyle modifications and natural approaches to improve male fertility and sperm health in this second part of her series.
Lora Shahine, MD
Boost Male Fertility Naturally: Top Tips for Healthier Sperm (Part 1)
The video discusses natural ways to improve male fertility, addressing common challenges and providing tips for healthier sperm. It is presented by Lora Shahine, MD, and is the first part of a series.
Lora Shahine, MD
The Best Fertility Supplements for Men, Explained by an Infertility Doctor
The video outlines several over‑the‑counter supplements that a fertility‑focused doctor claims can improve male reproductive health, while also promoting a paid course and bonuses.
Rena Malik, M.D.
Foods to increase higher sperm count | How to improve sperm quality naturally at home
This short video from The Yoga Institute explores natural remedies and dietary approaches intended to support male reproductive health and improve sperm parameters.
The Yoga Institute
5 Tips to Improve Male Factor Fertility You Need to Know from a Fertility MD - Dr. Lora Shahine
Dr. Lora Shahine outlines five evidence‑based strategies men can adopt to support their fertility, covering lifestyle, diet, stress management, environmental exposures, and timing of intercourse.
Lora Shahine, MD
Male Fertility and Diet
This brief video clip from the As a Woman Podcast discusses the significant role of male fertility factors in overall conception challenges. It highlights that sperm have a 90-day lifecycle during which they are susceptible to various developmental influences.
As a Woman Podcast by Natalie Crawford, MD
Men’s Rapid Fertility Test
Labcorp introduces an at-home men's fertility test designed to provide initial clarity on reproductive health with privacy and convenience. The video promotes the product as a comfortable alternative for individuals seeking preliminary insights into their fertility status.
Labcorp
5 Supplements to Boost Male Fertility
This short video offers a curated list of five supplements intended to enhance male fertility for couples trying to conceive. While it targets a common concern, viewers should approach the claims with appropriate clinical skepticism.
Fertile as F*ck with The Fertility Nut
Do you know how a fertility clinic tests men for their fertility?
This brief educational video from New Hope Fertility Center outlines the standard initial assessment used in fertility clinics to evaluate male reproductive health. It highlights the semen analysis as the primary diagnostic tool.
New Hope Fertility Center
Related topics
Frequently Asked Questions
›What lifestyle habits most affect male sperm quality?
Research links smoking, excessive alcohol, high stress, and sedentary behavior to lower sperm count and motility, while regular exercise, adequate sleep, and weight management tend to improve parameters (WHO, 2021).
›Can diet really boost sperm count?
Yes—studies show that nutrients like zinc, omega‑3 fatty acids, and antioxidants found in foods such as eggs, nuts, and leafy greens are associated with higher sperm concentration and motility (Harvard Health, 2022).
›Are over‑the‑counter supplements effective for improving fertility?
Some supplements, including CoQ10, vitamin E, and L‑carnitine, have modest evidence of enhancing sperm motility, but results vary and they should complement, not replace, a balanced diet (Cochrane Review, 2020).
›How do environmental chemicals impact male fertility?
Exposure to endocrine‑disrupting chemicals like phthalates and BPA has been linked to reduced sperm quality in multiple epidemiological studies, suggesting modern pollutants may contribute to the fertility decline (BBC REEL, 2023).
›Is an at‑home sperm test reliable for assessing fertility?
At‑home kits can provide a preliminary snapshot of sperm count and motility, but they are less comprehensive than clinical semen analysis and should be followed up with professional evaluation if concerns arise (Labcorp, 2023).
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Educational content only. This page summarizes publicly available video content for informational purposes. It is not medical advice. Always speak with a licensed healthcare professional before making any medical decisions.