Education
How to Naturally Increase Testosterone: What Actually Works
Written and reviewed by Dr. Slava Fuzayloff, DO · Board-Certified Internal Medicine · Last updated: July 5, 2026
Education
Written and reviewed by Dr. Slava Fuzayloff, DO · Board-Certified Internal Medicine · Last updated: July 5, 2026
Learning how to naturally increase testosterone comes down to fixing the habits that suppress it: get 7–9 hours of sleep, lift weights, lose excess belly fat, drink less alcohol, and correct any nutrient deficiencies. These work best if your testosterone is low because of lifestyle. If you have true low testosterone (hypogonadism), natural methods usually aren't enough — but they still help, and they're worth doing first.
The rest of this page breaks down each method, what the research shows, and how much it can actually move the needle.
Sleep is when most of your testosterone is made, so short sleep lowers it fast. Healthy young men who slept just 5 hours a night for one week dropped their testosterone by 10–15% — equal to aging 10 to 15 years. Aim for 7–9 hours of quality sleep to protect your levels.
Cut it short and your levels drop fast.
In a University of Chicago study, healthy young men who slept just 5 hours a night for one week saw testosterone fall 10–15% — the same drop you'd get from aging 10 to 15 years (Van Cauter, JAMA, 2011). That happened in a single week.
Aim for 7–9 hours of quality sleep. If you snore heavily or wake up unrefreshed, get checked for sleep apnea — it's strongly tied to low testosterone and often missed.
Lifting weights raises testosterone in the short term and helps keep it up long-term by building muscle and cutting fat. Compound lifts and high-intensity interval training work best. But chronic endurance overtraining can lower testosterone — train hard, don't grind yourself down.
Resistance training — lifting weights — raises testosterone in the short term and helps keep it up long-term by building muscle and cutting fat. Compound lifts like squats and deadlifts and high-intensity interval training (HIIT) work best.
One caveat: more isn't always better. Chronic endurance overtraining — think marathon-level running volume — can actually lower testosterone. You want to train hard, not grind yourself into the ground.
Losing excess weight is one of the most effective ways to raise testosterone naturally. Fat tissue converts testosterone into estrogen, so dropping weight reverses the process. A 5% weight loss raised testosterone by about 58 ng/dL; a 10% loss by about 84 ng/dL on average.
Carrying excess weight — especially belly fat — directly drags your levels down. A 5% loss produced a meaningful rise (EMAS data), and a ~10% loss produced a larger one (Corona meta-analysis, European Journal of Endocrinology). The more excess weight you drop, the bigger the gain.
If you're overweight and your testosterone is borderline, dropping weight is often the single highest-impact thing you can do.
No single food raises testosterone, but your overall diet matters. Protein, healthy fats, and zinc-rich foods support it; heavy alcohol, ultra-processed food, and very low-fat diets work against it. Cutting dietary fat too low has been shown to lower testosterone.
There's no magic testosterone food, but your overall diet matters.
Foods that support testosterone:
| Support testosterone | Work against it |
|---|---|
| Protein (eggs, lean meat, fish) | Heavy alcohol |
| Healthy fats (olive oil, nuts, avocado) | Ultra-processed / high-sugar foods |
| Zinc-rich foods (oysters, beef, beans) | Very low-fat diets |
| Vitamin D sources (fatty fish, sunlight) | Chronic calorie excess (weight gain) |
One point most guides skip: very low-fat diets can lower testosterone. A meta-analysis of intervention studies found men on low-fat diets had measurably lower testosterone than on higher-fat diets. You don't need a high-fat diet — just don't cut fat to the bone.
Zinc, vitamin D, and magnesium only raise testosterone if you're deficient. Correcting low zinc or magnesium brings levels back up; extra won't push a normal level higher. Vitamin D evidence is mixed — fix a deficiency for your health, but don't expect it to raise testosterone.
These three come up constantly. Here's the honest read.
Zinc. A deficiency lowers testosterone, and correcting it brings levels back up. But if you're not deficient, extra won't push you higher (systematic review, NCBI).
Vitamin D. The evidence is mixed. Early studies suggested supplementation raised testosterone, but stronger, more recent trials found no effect in men with low testosterone. Bottom line: fixing a vitamin D deficiency is good for your overall health, but don't count on it to raise testosterone.
Magnesium. Low magnesium is linked to lower testosterone, and correcting a deficiency can help — same pattern as zinc. Most guys who train hard and sweat a lot are the ones who run low.
The theme: these correct a deficiency. They're not boosters if your levels are already normal.
Heavy drinking lowers testosterone by interfering with the brain signals that drive production and by damaging the cells in the testicles that make it. Occasional drinking is fine for most men, but regular heavy use drags levels down over time.
Heavy drinking lowers testosterone. According to the NIH, alcohol interferes at all three points of the system that makes testosterone: the hypothalamus and pituitary gland in your brain (which send the signals) and the Leydig cells in your testicles (which do the producing). Occasional drinking isn't a problem for most men, but regular heavy use will drag your levels down over time.
Chronic stress raises cortisol, and cortisol works against testosterone — when one goes up, the other comes down. High cortisol also drives overeating and weight gain, which lowers testosterone further. Managing stress protects your levels.
Chronic stress raises cortisol, and cortisol works against testosterone — when one goes up, the other tends to come down. High cortisol also drives overeating and weight gain, which lowers testosterone further. Managing stress is one of the simpler ways to boost testosterone naturally: sleep, exercise, and downtime all help.
Mostly, no.
Walk into any supplement store and you'll see shelves of "test boosters" — tribulus, fenugreek, D-aspartic acid, and proprietary blends. The honest answer from the research: most of these don't meaningfully raise testosterone in healthy men. The main thing they reliably boost is the manufacturer's revenue.
The exceptions. Zinc and magnesium help — but only if you're deficient (covered above). One herb has real evidence: ashwagandha. A randomized controlled trial in overweight men aged 40–70 found a 14.7% rise in testosterone versus placebo, and a systematic review named it one of the few herbs that actually moves the needle. It's worth a try — but it's not a replacement for fixing sleep, weight, and training.
If your testosterone is genuinely low, no over-the-counter pill is going to fix it. Which brings us to the honest limit of all this.
Realistic expectations matter.
If your low testosterone is driven by lifestyle — poor sleep, excess weight, heavy drinking — fixing those can raise your levels meaningfully, sometimes by 60–100+ ng/dL when weight loss is involved. Give it consistent effort, not a few weeks.
If your testosterone is low for a medical reason (your testicles or the hormone signals from your brain aren't working properly), lifestyle changes will help your health but usually won't bring your levels back to normal. That's not a failure of effort — it's a different problem that needs a different solution.
If you've fixed your sleep, lost the weight, cleaned up your diet, and still have the symptoms of low testosterone — low energy, low sex drive, brain fog, loss of muscle — it's time to get tested rather than keep guessing. A simple morning blood test tells you where you stand.
At Testosterone Clinic NYC, Dr. Slava Fuzayloff, DO evaluates every new patient in person to tell whether your symptoms are lifestyle-driven or true low testosterone. Self-pay evaluation is $175; same-day appointments available.
Book your evaluation or call (212) 696-5900.
Low Testosterone Signs & Symptoms →
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