Top 5 natural ways to increase testosterone

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD
Published Oct 18, 2025 · Updated Dec 08, 2025 · 13 min read
Top 5 natural ways to increase testosterone
Photo by Lawrence Crayton on Unsplash

Weight loss, better sleep, smarter training, stress control, and fixing silent medical problems are the top 5 natural ways to increase testosterone. Here is how they work and how to build a practical plan with lab numbers that actually mean something.

“Start with the basics. Lose excess weight, protect your sleep, train your muscles, and look for hidden medical drivers like sleep apnea or diabetes. In many men, these steps move testosterone in the right direction before we even talk about prescriptions.”

Susan Carter, MD: Endocrinologist & Longevity expert

The relationship

Testosterone is a sex hormone that helps regulate energy, mood, sex drive, muscle mass, bone strength, and red blood cell production. In men, the testes make most testosterone under signals from the brain, a loop called the hypothalamic–pituitary–gonadal (HPG) axis. When any link in this chain weakens, levels fall, a condition doctors call hypogonadism.

Natural lifestyle changes can push this axis in the right direction. Weight loss, sleep optimization, resistance training, stress control, and treatment of silent medical problems are consistently supported in research as the top 5 natural ways to increase testosterone.[1],[2] These approaches do not replace testosterone therapy when it is clearly needed, but they can raise both total and free testosterone and may reduce the dose or delay the need for medication.

Total testosterone is the full amount circulating in blood. Free testosterone is the small fraction not tightly bound to proteins and able to act on cells. Meta analyses suggest that symptomatic men are most likely to benefit from treatment when total testosterone is below about 350 ng/dL, or when free testosterone is below 100 pg/mL.[3] Below these thresholds, the top 5 natural ways to increase testosterone often become the first line of action.

How it works

The top 5 natural ways to increase testosterone work through different but overlapping mechanisms. They lower inflammation, improve hormone signaling, and reduce the conversion of testosterone into other hormones like estrogen and cortisol.

1. Weight loss reduces testosterone drain from belly fat

Visceral fat is the deep belly fat that sits around organs and releases inflammatory chemicals. It raises insulin resistance, increases aromatase activity, and speeds up the conversion of testosterone into estrogen. A 2013 systematic review found that men who lost significant weight increased both total and free testosterone, with the largest jumps after bariatric surgery but meaningful gains with lifestyle changes alone.[1]

Aromatase is an enzyme that turns testosterone into estradiol, a form of estrogen. Visceral fat is loaded with aromatase, so more fat usually means more testosterone lost to estrogen. Studies show that even 5–10% body weight loss in men with overweight or obesity is linked to higher testosterone and better sexual function.[2] This makes fat loss one of the highest impact, clinically proven, top 5 natural ways to increase testosterone.

2. Sleep protects the nightly testosterone peak

Circadian rhythm is the body’s internal 24-hour clock that coordinates hormones with day and night. Testosterone normally peaks in the early morning and dips later in the day. In a controlled lab study, young men limited to 5 hours of sleep per night for just one week saw daytime testosterone fall by 10–15%, along with reduced vigor and well-being.[4]

Obstructive sleep apnea is a disorder where the airway collapses during sleep, causing repeated drops in oxygen and micro-awakenings. It is tightly linked to low testosterone and erectile dysfunction. Treatment with continuous positive airway pressure (CPAP) improves sexual function and can modestly increase testosterone in some men, especially when combined with weight loss.[5] Consistent, high-quality sleep is therefore a core part of the top 5 natural ways to increase testosterone.

3. Smart resistance training signals the body to make more testosterone

Resistance training means using weights, bands, or bodyweight to challenge muscles. Short bursts of heavy compound lifts, like squats and deadlifts, produce brief spikes in testosterone and growth hormone, and repeated training improves muscle mass and insulin sensitivity over time.[6]

High-intensity interval training, or HIIT, alternates short, hard efforts with recovery and can also raise testosterone and lower fat mass when programmed carefully. In contrast, chronic extreme endurance exercise, such as high-mileage distance running without enough rest, may lower testosterone. The most effective exercise strategy within the top 5 natural ways to increase testosterone combines regular resistance training, some intervals, and avoidance of overtraining.

4. Stress control limits cortisol that competes with testosterone

Cortisol is the main stress hormone, made by the adrenal glands to help you handle threats. Short bursts are useful, but chronic high cortisol from ongoing psychological stress, sleep debt, or illness can blunt the HPG axis and lower testosterone production.

Mind–body practices such as mindfulness meditation, breathing exercises, and yoga reduce perceived stress and cortisol in randomized controlled trials. While direct testosterone changes are modest, lowering cortisol helps restore a healthier balance between catabolic, or breakdown, hormones and anabolic, or build-up, hormones. Stress reduction is therefore a key support pillar among the top 5 natural ways to increase testosterone.

5. Treating silent conditions removes hidden hormone blockers

Metabolic syndrome is a cluster of high blood pressure, high blood sugar, abnormal cholesterol, and larger waist size. It is strongly associated with lower testosterone in men, and the relationship runs both ways: low testosterone can worsen metabolic health, and poor metabolic health can suppress testosterone.[7]

Chronic illnesses such as type 2 diabetes, advanced liver disease, kidney disease, and untreated thyroid disorders often lower testosterone. Addressing these conditions with guideline-based care can raise levels without hormone therapy. For example, improved glucose control in men with diabetes is linked to higher testosterone and better sexual function over time.[8] Fixing these medical drivers is the quiet but powerful fifth member of the top 5 natural ways to increase testosterone.

Conditions linked to it

Low testosterone is rarely an isolated problem. It often sits in the middle of a web of conditions that both cause and worsen hormone imbalance.

  • Obesity and metabolic syndrome: These increase aromatase activity, raise inflammation, and are tightly linked to low total and free testosterone in large population studies.[2],[7]
  • Type 2 diabetes: Up to 30–50% of men with type 2 diabetes meet criteria for biochemical hypogonadism. Insulin resistance and high blood sugar can directly blunt testicular function.[8]
  • Cardiovascular disease: Low testosterone is associated with higher rates of coronary artery disease and all-cause mortality, although causation is still debated.[7]
  • Sleep apnea: Repeated drops in oxygen, surges in blood pressure, and fragmented sleep reduce the normal nightly testosterone rise.[5]
  • Mood disorders: Depression and low testosterone frequently coexist. Low testosterone can worsen mood, and chronic depression can alter hormone signaling.

Limitations note: Many of these links come from observational studies. They show strong associations but cannot always prove that low testosterone causes these conditions. In some cases, low testosterone may be more of a warning light than the root cause.

Symptoms and signals

Not every man with a lower testosterone lab needs treatment. What matters is the combination of numbers and symptoms. Watch for:

  • Drop in sex drive or fewer sexual thoughts
  • Weaker, less frequent morning erections
  • Difficulty getting or keeping an erection
  • Low energy, especially in the afternoon
  • Reduced exercise performance or slower recovery
  • Loss of muscle mass, strength, or grip strength
  • Increased body fat, especially around the waist
  • Low mood, irritability, or feeling “flat”
  • Brain fog, poorer focus, or slower thinking
  • Reduced beard growth or body hair over time
  • Thinner bones, height loss, or fractures after minor falls

When several of these symptoms appear together, especially with a waist circumference over 40 inches or a BMI over 30, it is reasonable to check testosterone and consider the top 5 natural ways to increase testosterone as a targeted response.

What to do about it

The most effective way to use the top 5 natural ways to increase testosterone is as a structured plan, not a random list. Think in three phases: test, change, and track.

  1. Get proper testing and a clear baseline
    • Ask your clinician for two early-morning total testosterone tests, done before 10 a.m., on different days. Levels naturally fluctuate, so one low value is not enough.
    • If total testosterone is between 250–400 ng/dL, request a free testosterone level as well. Values below 350 ng/dL for total or 100 pg/mL for free, with symptoms, support a diagnosis of hypogonadism.[3]
    • Have basic labs checked: fasting glucose or HbA1c, lipids, complete blood count, liver function, thyroid-stimulating hormone (TSH), and if sleep apnea is suspected, a sleep study.
  2. Deploy the top 5 natural ways to increase testosterone
    • Weight loss: If you carry excess fat, aim for losing 5–10% of body weight over 6–12 months with a calorie deficit and higher protein intake. Even modest fat loss often improves testosterone and sexual function.[1],[2]
    • Sleep: Target 7–9 hours per night. Keep a consistent bedtime, limit screens in the last hour, and avoid heavy alcohol close to sleep. If you snore loudly or stop breathing at night, push for a sleep apnea evaluation.
    • Strength and intervals: Do resistance training at least 2–3 times per week, focusing on large muscle groups. Add 1–2 HIIT sessions weekly if joints and heart are healthy. Keep extreme endurance work in check. You can also use hormone-friendly training techniques to line your workouts up with your testosterone goals.
    • Stress control: Practice daily stress tools: 5–10 minutes of slow breathing, brief meditation, or a quiet walk without your phone. Reduce excessive caffeine and build regular down time into your week.
    • Fix medical drivers: Work with your clinician to optimize blood pressure, blood sugar, and thyroid function. If you have diabetes or metabolic syndrome, follow evidence-based treatment, not just supplements.
  3. Monitor progress and choose next steps
    • Repeat testosterone, weight, and waist measurements after 3–6 months of serious lifestyle change.
    • If symptoms improve and levels rise, keep going. If symptoms persist and levels remain below about 350 ng/dL total or 100 pg/mL free, discuss whether testosterone replacement therapy is appropriate for you.[3]
    • Check in at least yearly on sleep, cardiovascular risk, and metabolic health. Testosterone is one part of the larger health picture.

Myth vs Fact: Natural testosterone boosters

  • Myth: “Herbal testosterone boosters can replace lifestyle changes.”
    Fact: Most supplements marketed for testosterone have weak or inconsistent human data, and effects, if any, are usually small compared with weight loss, sleep, and exercise.
  • Myth: “More protein and heavy lifting will always raise testosterone.”
    Fact: Adequate protein and resistance training help, but overtraining, extreme calorie restriction, or very low fat intake can actually lower testosterone in some men.[6]
  • Myth: “If my testosterone is low, it is the only thing causing my symptoms.”
    Fact: Fatigue, low mood, and reduced performance are often multifactorial, involving sleep, stress, thyroid, and mental health as well as testosterone.
  • Myth: “Natural means safe, so I can ignore monitoring.”
    Fact: Even natural strategies can backfire if pushed too hard, such as aggressive fasting or extreme exercise. Regular labs and honest symptom tracking are still essential.
  • Myth: “If lifestyle does not fix my levels, I failed.”
    Fact: Some men have primary testicular failure or genetic factors. For them, lifestyle still improves health and lowers treatment risks, even if testosterone therapy is needed.

Bottom line

The top 5 natural ways to increase testosterone are not secrets or exotic hacks. They are the fundamentals: losing excess fat, protecting sleep, training your muscles, calming chronic stress, and treating silent medical conditions like sleep apnea and diabetes. The evidence shows that these steps can raise testosterone by meaningful amounts, improve sexual and physical function, and reduce long-term disease risk. When symptoms persist and lab numbers stay low despite serious effort, guideline-based medical therapy is worth considering. Either way, the same lifestyle foundations will support better hormones, better health, and a stronger, more resilient body over time.

References

  1. Corona G, Monami M, Rastrelli G, et al. Testosterone and metabolic syndrome: a meta-analysis study. The journal of sexual medicine. 2011;8:272-83. PMID: 20807333
  2. Khoo J, Tian HH, Tan B, et al. Comparing effects of low- and high-volume moderate-intensity exercise on sexual function and testosterone in obese men. The journal of sexual medicine. 2013;10:1823-32. PMID: 23635309
  3. Bhasin S, Brito JP, Cunningham GR, et al. Testosterone Therapy in Men With Hypogonadism: An Endocrine Society Clinical Practice Guideline. The Journal of clinical endocrinology and metabolism. 2018;103:1715-1744. PMID: 29562364
  4. Leproult R, Van Cauter E. Role of sleep and sleep loss in hormonal release and metabolism. Endocrine development. 2010;17:11-21. PMID: 19955752
  5. Morselli LL, Guyon A, Spiegel K. Sleep and metabolic function. Pflugers Archiv : European journal of physiology. 2012;463:139-60. PMID: 22101912
  6. Hayes LD, Grace FM, Baker JS, et al. Exercise-induced responses in salivary testosterone, cortisol, and their ratios in men: a meta-analysis. Sports medicine (Auckland, N.Z.). 2015;45:713-26. PMID: 25655373
  7. Kupelian V, Hayes FJ, Link CL, et al. Inverse association of testosterone and the metabolic syndrome in men is consistent across race and ethnic groups. The Journal of clinical endocrinology and metabolism. 2008;93:3403-10. PMID: 18559915
  8. Grossmann M. Low testosterone in men with type 2 diabetes: significance and treatment. The Journal of clinical endocrinology and metabolism. 2011;96:2341-53. PMID: 21646372

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Dr. Susan Carter, MD

Dr. Susan Carter, MD: Endocrinologist & Longevity Expert

Dr. Susan Carter is an endocrinologist and longevity expert specializing in hormone balance, metabolism, and the aging process. She links low testosterone with thyroid and cortisol patterns and turns lab data into clear next steps. Patients appreciate her straightforward approach, preventive mindset, and calm, data-driven care.

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