How to Increase Testosterone and Sperm Count in 2026

2026-08-05 · How Do Everything

Male fertility is quietly becoming one of the most urgent health conversations of our time. Research shows that sperm counts have declined sharply over recent decades, and low testosterone — once considered a concern only for older men — is now appearing in men in their twenties and thirties. If you are trying to conceive, or simply want to safeguard your hormonal health, understanding how to increase testosterone and sperm count naturally has never been more relevant. The good news: the body makes new sperm continuously, and a full cycle of sperm development takes roughly 64 to 74 days — meaning the changes you make today can show measurable results within two to three months.

Why Testosterone and Sperm Count Are Linked

Testosterone is a male sex hormone produced in the testes and is directly required for sperm production. Normal testosterone levels in adult men typically fall between 270 and 1,070 nanograms per deciliter (ng/dL), though what counts as "normal" can vary between individuals. When levels dip too low, sperm production slows. Interestingly, when levels run excessively high — especially from external testosterone sources — the body can actually suppress the hormonal signals needed to make sperm, causing counts to plummet. The goal is balance, not simply "more testosterone."

One important warning for men trying to conceive: testosterone replacement therapy (TRT), while popular, typically leads to very low or even zero sperm counts in semen. If you stop TRT, sperm generally return within about three months with no permanent damage — but if you are actively trying to father a child, speak to a reproductive urologist before starting or continuing any testosterone treatment.

Step 1: Optimize Your Exercise Routine

Exercise is one of the most powerful levers you can pull. Physical activity stimulates the release of luteinizing hormone (LH), which in turn supports testosterone production in the testes. Strength training in particular is among the most effective ways to boost testosterone and fertility naturally — resistance workouts improve hormone production, mitochondrial health, and blood flow, all of which support higher sperm count and better motility. Aim for two to three weightlifting sessions per week, focusing on large muscle groups such as legs, back, and chest.

Moderation matters, however. Extreme overtraining or prolonged endurance cardio can raise cortisol levels and actually lower testosterone. Regular moderate activity is the sweet spot — it helps maintain a healthy hormonal balance, supports circulation, and keeps body weight in check, all of which are linked to better sperm health.

Step 2: Eat the Right Foods (and Ditch the Wrong Ones)

Diet has a direct impact on both testosterone and sperm parameters. A nutrient-rich eating plan built around these key foods can make a meaningful difference:

• Oysters and zinc-rich foods: Oysters contain more zinc per serving than almost any other food. Zinc plays a critical role in sperm development, testosterone production, and the structural integrity of sperm DNA. Deficiency is strongly associated with reduced sperm count, poor motility, and abnormal morphology. If oysters aren't your thing, zinc is also plentiful in red meat, legumes (chickpeas, lentils), pumpkin seeds, cashews, and dairy products.
• Fatty fish and omega-3s: Harvard research has highlighted that eating more fish and less processed meat is associated with better sperm count and quality. Omega-3 fatty acids help protect the sperm head and improve motility.
• Leafy greens (especially spinach): Spinach is rich in folate (vitamin B9), which aids sperm production and helps prevent DNA abnormalities in sperm cells.
• Walnuts: Loaded with omega-3 fatty acids, walnuts are associated with improved sperm count, vitality, and movement.
• Pomegranate: Full of antioxidants that reduce oxidative stress — one of the key causes of sperm damage.
• Garlic: Boosts blood circulation via allicin and provides selenium, which supports the creation of healthy, functional sperm.
• Eggs and lean protein: Protein is essential for testosterone production. Lean beef, chicken, fish, and eggs are excellent choices.

On the other side of the ledger, men following a diet heavy in fried foods, processed snacks, and refined sugars have been found to have significantly lower sperm counts than those eating a balanced diet of fish, chicken, vegetables, and fruit. Both sugar and trans fats are linked to inflammation, reduced testosterone, and lower sperm motility. Avoid or limit alcohol and cigarettes too — both smoking and heavy drinking lower testosterone levels and impair sperm quality. Cannabis use can disrupt hormones and increase the proportion of abnormal sperm.

For a deeper look at fertility-friendly foods, RMA Network's guide to male fertility nutrition is an excellent starting point.

Step 3: Prioritize Sleep

Sleep is when the body does the bulk of its testosterone production, and chronic sleep deprivation is a significant — and underappreciated — driver of low T and poor sperm health. Optimizing your sleep not only supports testosterone but also has a significant positive impact on sperm health overall. Aim for seven to nine hours of quality sleep per night. Establishing consistent sleep and wake times, reducing screen exposure before bed, and keeping your bedroom cool and dark are all evidence-based ways to improve sleep quality.

Step 4: Manage Stress Effectively

Chronic stress triggers the release of cortisol, which directly suppresses testosterone and can impair sperm production. High cortisol levels from ongoing stress can significantly reduce a man's testosterone and, by extension, his fertility. Practical stress-management strategies — such as meditation, yoga, walks outdoors, or simply spending time with friends — have all been linked to improved male fertility. Even 10 to 15 minutes of daily mindfulness or deep breathing can bring cortisol down meaningfully over time.

Step 5: Maintain a Healthy Weight

Obesity is strongly associated with reduced testosterone and poorer sperm parameters. Excess visceral fat (belly fat) disrupts hormone balance, raises estrogen relative to testosterone, slows sperm production, and can increase DNA damage in sperm cells. Even losing just five to ten pounds of visceral fat can lead to noticeable improvements in energy, libido, and sperm quality. A balanced diet combined with regular exercise is the most sustainable path to a healthy body weight — and a more fertile one.

Step 6: Key Vitamins and Supplements

When diet alone falls short, targeted supplementation can help. Here are the options with the strongest current evidence:

• Vitamin D: Often called the "sunshine vitamin," vitamin D functions more like a steroid hormone in the male body, playing a crucial role in testosterone synthesis within the Leydig cells of the testes. Studies consistently show a strong correlation between optimal vitamin D levels and higher total testosterone. A simple blood test can reveal whether you're deficient. Speak with your doctor before supplementing.
• Zinc: As noted above, zinc is one of the most concentrated minerals in seminal plasma. Supplementation shows the strongest effects in men who are zinc-deficient at baseline. A dose of around 66 mg elemental zinc per day has been studied in clinical trials, but check with your doctor to find the right amount for you.
• Vitamin C: A powerful antioxidant, vitamin C is found in concentrations roughly ten times higher in sperm than in the blood. It neutralizes free radicals that can damage sperm and is associated with improved sperm motility and count.
• Ashwagandha (KSM-66): This adaptogenic herb has the most robust clinical backing of any supplement in this category. A 2025 prospective, randomized, double-blind, placebo-controlled study in 100 healthy men aged 30–50 found that 300 mg of ashwagandha root extract taken twice daily for eight weeks produced significant improvements in semen volume, sperm count, sperm concentration, and sperm morphology, with no adverse events reported. A 2026 follow-up study published in Frontiers in Reproductive Health confirmed these findings. The mechanism appears to involve reduced cortisol interference with testosterone and direct antioxidant effects in testicular tissue.
• CoQ10: Coenzyme Q10 is a well-studied antioxidant with evidence supporting improvements in sperm motility and overall sperm quality, particularly in men with oxidative stress.

Always consult a healthcare professional before starting a new supplement regimen, particularly if you take prescription medications. For an overview of the clinical evidence behind men's supplements, CryoChoice's 2026 supplement evidence guide offers a useful, research-grounded breakdown.

Step 7: Protect Your Testes from Heat

Sperm production is temperature-sensitive — the testes sit outside the body specifically because they need to be a few degrees cooler than core body temperature. Frequent use of saunas, hot tubs, or hot yoga can temporarily reduce sperm production. Sitting for long periods, wearing tight underwear or trousers, and keeping a laptop on your lap can all raise scrotal temperature enough to affect sperm quality. Switching to loose-fitting underwear and taking regular movement breaks if you have a desk job are simple but effective changes.

Step 8: Review Your Medications

Several common medications can reduce testosterone and sperm count, including certain antidepressants, blood pressure drugs, and hair-loss treatments such as finasteride. Anabolic steroids used to build muscle — even when prescribed — can drastically lower sperm count, often to zero, by tricking the brain into thinking enough testosterone is already being produced and shutting down signaling to the testes. If you are trying to conceive and taking any regular medication, review your prescription list with a reproductive urologist or men's health specialist. The Cleveland Clinic has a useful guide to which drugs can lower sperm count.

When to See a Doctor

If you and your partner have been trying to conceive for 12 months without success (or six months if your partner is over 35), it's time to seek professional evaluation. A simple blood test can measure testosterone levels, and a semen analysis evaluates sperm count, motility (movement), and morphology (shape). Many causes of male infertility are treatable, and earlier diagnosis leads to better outcomes. For authoritative guidance, the American Society for Reproductive Medicine's patient fact sheet is an excellent resource.

The Bottom Line

Raising testosterone and sperm count naturally is not about any single magic bullet — it is about building a lifestyle that supports your hormonal health from multiple angles simultaneously. Consistent exercise, a nutrient-dense diet, quality sleep, stress management, healthy weight, and targeted supplementation all work together. Because a complete sperm cycle takes roughly two to three months, commit to these changes for at least that long before evaluating results — and always work with a qualified healthcare provider for personalized guidance.