Male Fertility Guides
In-depth protocols for every aspect of male fertility optimisation. Each guide covers clinical mechanisms, peer-reviewed evidence, and practical dosing.
CoQ10 for Low Sperm Motility: Dose, Timeline & Evidence
Clinical research on CoQ10 supplementation for asthenozoospermia. What dose works, how long it takes, and why mitochondrial energy is the core mechanism.
CoQ10 for Sperm DNA Fragmentation: The Antioxidant Mechanism
How CoQ10 reduces sperm DNA fragmentation index (DFI) through antioxidant defense and mitochondrial support — with clinical evidence and protocol guidance.
CoQ10 for Male Fertility After 35: Why Age Increases the Need
Why CoQ10 becomes increasingly important for male fertility after 35 — declining endogenous levels, slower spermatogenesis, and clinical evidence for older men.
L-Carnitine for Sperm Motility: Clinical Evidence and Dosing
How L-carnitine improves progressive sperm motility through epididymal maturation and mitochondrial fatty acid metabolism — doses, timeline, and research.
L-Carnitine for Low Sperm Count: What the Research Shows
Evidence for L-carnitine's effect on sperm concentration (oligozoospermia), mechanisms of action, and how to combine with other fertility compounds.
Zinc for Testosterone: What the Research Actually Shows
The zinc-testosterone relationship explained: mechanisms, clinical evidence, who benefits most, and what dose is needed to move the needle.
Zinc and Sperm Quality: DNA Integrity, Morphology & Count
How zinc supports sperm structural integrity, DNA packaging, morphology, and spermatogenesis — with evidence for men with poor baseline sperm quality.
Selenium for Sperm Motility: The Structural Mechanism
Why selenium is essential for sperm tail structure and progressive motility — through selenoprotein incorporation into the sperm midpiece.
Selenium for Sperm DNA Fragmentation: Antioxidant Defense
How selenium reduces sperm DNA damage through glutathione peroxidase activity and direct selenoprotein protection.
Ashwagandha KSM-66 for Testosterone: Mechanisms and Evidence
How KSM-66 ashwagandha supports testosterone through cortisol reduction and stress axis modulation — with RCT data and dosing guidance.
Ashwagandha for Male Fertility: Sperm Count, Motility & Hormones
Complete evidence review of KSM-66 ashwagandha for male fertility — sperm parameters, testosterone, cortisol, and the protocol that produced a 167% sperm count increase.
Vitamin D and Testosterone: The Steroid Hormone Connection
Why vitamin D functions as a steroid hormone in the testosterone pathway — clinical evidence, testing, and optimal dosing for men.
Male Hormonal Health: The Complete Supplement Protocol
Evidence-based supplements for male hormonal health and testosterone support — what works, mechanisms, and clinical dosing for men optimising reproductive function.
Male Fertility Supplements for Athletes: What Training Does to Sperm
How high training volumes, cortisol, oxidative stress, and caloric restriction affect male fertility — and the supplement protocol to protect sperm quality while training.
How to Improve Sperm Motility Naturally: The Evidence-Based Guide
Lifestyle, diet, and supplement strategies to improve progressive sperm motility — what the research shows actually works.
How to Increase Sperm Count Naturally: Evidence-Based Methods
What actually increases sperm count — lifestyle changes, micronutrients, and supplements with clinical evidence for oligozoospermia.
The Male Fertility Diet: What to Eat (and Avoid) for Sperm Quality
Evidence-based dietary patterns, specific foods, and nutritional strategies for improving sperm count, motility, and DNA integrity.
Improving Sperm Morphology: What Actually Works
What determines sperm morphology, what causes high abnormal morphology rates, and which interventions have evidence for improvement.
Does Chronic Stress Lower Sperm Count? The Science Explained
Yes — chronic stress measurably suppresses sperm count, motility, and testosterone through the cortisol-HPA axis. Here is the mechanism, the research, and what reverses it.
Best Male Fertility Supplements in 2026: What the Research Actually Shows
A clinician-referenced guide to male fertility supplements backed by peer-reviewed research. Which compounds have RCT evidence, what doses work, and what to ignore.
Air Pollution and Sperm Quality: What PM2.5 Does and How to Counter It
Fine particulate matter (PM2.5) from air pollution measurably damages sperm quality through oxidative stress. Here is the research and the antioxidant protocol that counteracts it.
Male Fertility for High-Performing Men: The Overwork, Sleep, and Stress Protocol
For men in demanding careers — long hours, chronic stress, poor sleep — here is how occupational high performance suppresses male fertility and the clinical protocol to reverse it.
CoQ10 + L-Carnitine: Why the Combination Outperforms Either Alone
The additive effect of combining CoQ10 and L-carnitine for sperm motility — the complementary mitochondrial mechanisms and trial evidence for the combination.
Zinc + Folate for Sperm Count: The 74% Increase Explained
How zinc and folate combined produced a 74% increase in total normal sperm count in the landmark Wong et al. (2002) trial — the mechanism and the optimal dose.
Alcohol and Sperm Count: How Drinking Affects Male Fertility
The dose-dependent effects of alcohol on sperm count, motility, morphology, and testosterone — and how long after stopping alcohol sperm quality recovers.
Heat and Sperm Quality: Laptops, Hot Baths, Tight Clothing
How elevated scrotal temperature impairs spermatogenesis, the specific sources of heat exposure, and the temperature threshold at which damage begins.
Sleep and Testosterone: Why 7 Hours Minimum Is Non-Negotiable for Male Fertility
How sleep duration and quality affect testosterone production, LH pulsatility, sperm count, and the specific mechanisms linking sleep deprivation to fertility impairment.
Obesity, BMI and Male Fertility: The Hormonal Mechanism
How excess body fat impairs testosterone via aromatase, elevates oestrogen, reduces sperm quality, and what nutritional support helps during weight loss.
Pre-ICSI Sperm Optimization: The 90-Day Protocol
How male supplementation before ICSI improves sperm DNA quality, embryo development, and live birth rates — the specific parameters that matter for intracytoplasmic sperm injection.
Varicocele and Sperm Quality: Supplement Support Before and After Surgery
How varicocele impairs sperm quality through oxidative stress and heat, which supplements reduce the damage, and how to optimise sperm before and after varicocelectomy.
Male Fertility Over 40: What Changes and What to Do About It
How male fertility changes after 40 — testosterone decline, rising DFI, reduced spermatogenesis efficiency, and evidence-based strategies to optimise sperm quality at 40–55.
Male Fertility Bloodwork: The 6 Tests Every Man Should Run
Which blood tests matter for male fertility, what results reveal, what optimal ranges are (not just normal ranges), and how to track response to supplementation.
Ubiquinol vs. Ubiquinone for Fertility: Which Form of CoQ10 Is More Effective
The clinical difference between ubiquinol and ubiquinone CoQ10 — bioavailability data, which form the fertility studies used, and why the distinction matters for supplementation.
Smoking and Sperm Quality: The Mechanisms and Recovery Timeline
How cigarette smoking damages sperm count, motility, morphology, and DNA — the specific chemical mechanisms and how long it takes for sperm quality to recover after quitting.
Cycling and Male Fertility: Managing Perineal Compression and Scrotal Heat
How cycling impairs sperm quality through scrotal heat and perineal compression, the dose-response relationship, and how to maintain fertility while continuing to train.
Intermittent Fasting and Testosterone: What the Research Actually Shows
How intermittent fasting affects testosterone, LH pulsatility, and sperm quality — separating the evidence from the hype.
How Ashwagandha Raises Testosterone Naturally: The HPA-HPG Mechanism
The specific pathway through which KSM-66 ashwagandha raises testosterone — cortisol, GnRH, LH, and Leydig cells — and why this approach preserves fertility unlike TRT.
37 evidence-based guides · Updated 2026