Male hormones and myths
Does Masturbation or Ejaculation Lower Testosterone?
Reviewed by a qualified clinician · analysed at UKAS-accredited UK labs (ISO 15189)
Last reviewed October 20267 min read
Every Helvy guide is written by our health editors, then checked by a qualified clinician before it goes live and re-checked as the science moves. We name clinical roles, not individuals, until each reviewer has agreed to be credited publicly. This is wellness guidance to help you understand your own data, not a diagnosis.
QUICK ANSWER
No. Masturbation and ejaculation do not lower your testosterone. In one small study it rose at ejaculation and was back to normal ten minutes later. Ejaculating often has never been shown to drain it. Going without for three weeks nudged it up in a study of ten men. The viral day-seven spike came from a retracted study.
Check your testosterone with the right test →As of October 2026. This guide sticks to what the studies found, and to what a blood test can and cannot tell you.
You have read that masturbation drains you. That it tanks your testosterone, saps your drive, or that quitting for a week will make you feel like a new man. It is a fair worry. It is also, on the evidence, mostly a myth.
1. Does masturbation or ejaculation lower testosterone?
No. Ejaculating, from masturbation or sex, does not lower your testosterone. The research is small, but no study has found a drop.
One study followed ten men through three weeks without orgasm. It found the opposite: levels were a little higher afterwards. Nobody has shown that rise lasts or changes how you feel.
If you feel flat, low on drive or tired, take it seriously. But those symptoms are vague, as the NHS points out.
“In many cases the symptoms are nothing to do with hormones.”
— NHS, The ‘male menopause’
So do not blame your habits and stop there. If the worry is real, measure the hormone.
2. How long does testosterone take to return to normal?
About ten minutes.
A small 2020 study measured hormones before, at and after ejaculation. Testosterone rose sharply at the moment of ejaculation. Ten minutes later it sat back at its starting value.
So for testosterone, you do not need to abstain before a blood test. The clock matters far more. Testosterone peaks in the first few hours after you wake and drifts down through the afternoon, so UK labs ask for a morning sample. Our guide on the best time to test testosterone covers the window.
3. Does ejaculating too often lower testosterone?
There is no evidence that it does, even daily. The worry usually comes from feeling flat afterwards, and that has a different cause.
The hormone that genuinely changes after orgasm is prolactin, a hormone from the pituitary gland at the base of the brain that damps arousal. In the ten-man study, orgasm raised prolactin every time. A second study found it still raised an hour after sex.
That rise is the sleepy, done feeling. It is not a testosterone drop. Prolactin is read on a male hormone blood test too, so skip sex and masturbation in the hours before your sample.
Is sex different from masturbation?
Not for testosterone, as far as anyone has measured. The difference shows up in prolactin. Pooling three lab studies, researchers found the prolactin rise after sex was 400% greater than after masturbation.
Does edging increase testosterone?
Nobody has studied it. Edging means holding off orgasm for a long stretch of arousal. No published research has measured what that does to testosterone, so any claim that it raises your level is a guess.
4. Where did the “no-fap raises testosterone” claim come from?
You have probably seen the number: skip ejaculation for seven days and your testosterone jumps by about 45 percent. It sounds precise. It is built on shaky ground.
The figure traces to a single 2003 study of 28 men, which reported a peak of 145.7 percent of baseline on day seven. The journal later retracted it, because it overlapped heavily with an earlier article by the same author. Even at face value, it described a one-day peak, not a higher level you keep.
The fact-checking site Snopes traced the viral claim to that same paper. If you want a real number, you have to test for it.
5. What actually changes your testosterone?
If you want to protect your testosterone, forget about masturbation and focus on the things that genuinely move it:
- Sleep. Most of your daily testosterone is made while you sleep. Short, broken nights lower it, as our sleep and testosterone guide explains.
- Body fat. Carrying extra weight, especially around the middle, is one of the strongest drivers of low levels. See belly fat and testosterone.
- Alcohol. Heavy or regular drinking suppresses testosterone. Our guide on whether alcohol lowers testosterone covers how much is too much.
- Age. Levels drift down slowly from your late thirties, as our testosterone levels by age chart shows.
- Stress. Long spells of stress raise cortisol, which works against testosterone.
These are the levers that matter. Our guide on how to increase testosterone naturally walks through the habits that help, and the ones that do nothing.
6. How do you check your real testosterone level?
You cannot feel a testosterone level. Symptoms like low drive, low mood or tiredness are real, but they overlap with many other things. The only way to know your number is a blood test. The markers worth reading together are:
- Total and free testosterone. The hormone itself, plus the active fraction your cells can actually use.
- SHBG. The protein that binds testosterone and sets how much is free to work.
- LH and FSH. The brain signals that show whether a low reading starts in the testes or higher up.
- Prolactin. The hormone that rises after orgasm, and which can also be high for reasons worth a clinician’s look.
Timing matters. Test in the morning, ideally before 10am, because levels are highest then and drift down through the day. Our guide to the best time to test testosterone covers the rules.
These markers sit in Helvy’s Complete Male Hormones panel (£119). Testosterone and SHBG also appear in the Women's Hormones panel (£99). To check the mix that fits your symptoms, the Find my test tool matches you to the right markers. All are home finger-prick tests, with results in about five working days from UKAS-accredited UK laboratories.
READY TO TEST?
Swap the myth for a number
Helvy’s home blood tests read testosterone alongside the other markers that shape male hormone balance, with clear, plain-English context. So you can stop worrying about habits that do not matter, and see what your levels are really doing. Results in about 5 working days from UKAS-accredited UK laboratories.
Frequently asked questions
Does masturbation lower testosterone?
No. In the small studies that measured it, testosterone rose briefly at ejaculation and was back to normal within minutes. No study has found masturbation lowering it. This is general information, not medical advice.
How long after masturbating do testosterone levels return to normal?
About ten minutes. Testosterone climbs from arousal to orgasm, then sits back at its starting value roughly ten minutes later. There is no waiting period before a blood test. The time of day you give the sample matters far more, because testosterone peaks in the first few hours after you wake.
Does ejaculating too often lower testosterone?
There is no evidence that it does. What rises after orgasm is prolactin, the hormone behind the sleepy, done feeling. That is not a testosterone drop.
Does not ejaculating for 7 days raise testosterone?
The viral “day 7 spike” comes from a 2003 study the journal later retracted. A sounder study of ten men found testosterone a little higher after three weeks without. Nobody has shown that lasts or changes how you feel.
Does edging increase testosterone?
No study has measured it, so any claim that it does is a guess.
How do I check my testosterone level?
A morning blood test that reads total and free testosterone, SHBG, LH and FSH together gives the clearest picture. The Find my test tool matches you to the right markers. If a result is abnormal or your symptoms are severe, speak to a qualified clinician.
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