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CLICK HERENumbing sprays, distraction tricks and willpower all miss the same thing: premature ejaculation is a reflex, and serotonin controls its timing. Here's what that means, and what a urologist built around it.
Most men who finish sooner than they'd like assume the problem is stamina — something closer to fitness or willpower, a muscle that just needs more training. It's an understandable assumption. It's also the reason so many of them spend years working on the wrong thing.
Ejaculation isn't an endurance event. It's a reflex — coordinated by the spinal cord, and timed to a large extent by serotonin signaling in the brain.3 Like any reflex, it fires when a threshold is reached. The point where that threshold sits is set by chemistry, not effort.
That single fact explains almost everything that follows: why it's so common, why it doesn't respond to trying harder, and why nearly every popular fix leaves the actual timer exactly where it was.
The pattern men describe is remarkably consistent. Things are going well — and then a point arrives earlier than he wanted, with no negotiating once it does. Afterward there's the apology, or the joke, or the quick change of subject.
The next time, he starts bracing before anything has even happened. He watches himself instead of being in the moment. Some men start initiating less, just to avoid the moment of finding out — and a partner can easily read that as distance, which turns one problem into two.
None of that is a character flaw. It's a reflex doing exactly what its chemistry tells it to.
And because it feels personal, men tend to reach for personal fixes. Every one of them makes sense. Here's why none of them move the threshold.
Each of these is a reasonable response to the problem as it feels. None of them is aimed at the problem as it works.
None of them gives your body more of the serotonin that sets the timer. Which raises the obvious question: what if that system simply had more of the raw material it runs on?
Serotonin acts as a brake on the ejaculatory reflex: broadly, the more serotonin signaling available, the more arousal it takes to reach the point of no return.3 That's the whole reason SSRIs get prescribed off-label for this — and it's why the useful question isn't "how do I hold on longer?" but "where is my threshold set?"
So there are two ways to act on serotonin. They sound similar but they are not.
Stops serotonin being cleared, so what's already there lingers — everywhere at once, whether or not that part of the body needed more. A drug, on a prescription, with a side-effect profile to match.
Gives the body what it makes serotonin from, and lets it convert at its own pace. That difference is why the side effects that come with the prescription aren't part of the deal.
That's the idea a Beverly Hills urologist spent years building a formula around.
Dr. James Elist has practiced urology in Beverly Hills since 1982. mate endurance is his formula: a daily supplement that supports the serotonin pathway the reflex runs on, rather than numbing, distracting or forcing it. Two capsules each day. Nothing to time around sex.
“I formulated this as a course because that is how the biology works. You are supplying the raw material your body uses to time the reflex, and it uses it at its own pace. Men who take it daily for three months are the ones who tell me it changed things.”
Dr. James Elist, MD Board-certified urologist · Beverly Hills · in private practice since 1982 · formulated mate enduranceMost products in this category cite research on a single ingredient. mate endurance was studied as a finished formula: a randomized, double-blind, placebo-controlled trial published in the Open Journal of Urology, in which 68 men aged 21 to 60 took one capsule daily for twelve weeks.6
A PEDT score of 11 or above is commonly found in men with premature ejaculation. Over twelve weeks the mate endurance group's average fell from 18 to 10 — below that threshold — while the placebo group moved from 17 to 15. Improvements in sexual satisfaction and in sex-related distress were statistically significant against placebo.
Average participant results. Individual results vary. Reported side effects were limited — constipation in three participants and headache in one, against one case of nausea on placebo. The formula has since been updated to use 5-HTP, one step further along the same pathway as the L-Tryptophan used in the trial. Teimouri A, Shivanian V, Elist JJ. Open Journal of Urology, 2020;10(11):325–333. Read the studyWhat each one works on — and what it asks of you in return.
| mate endurance | Numbing sprays | Prescription SSRIs | |
|---|---|---|---|
| What it acts on | Supplies the serotonin pathway | Skin nerve endings | Blocks serotonin reuptake |
| Sensation | ✓Fully intact | ✕Reduced by design | ✓Intact |
| Transfers to partner | ✓Impossible | ✕Known risk | ✓No |
| Timing required | ✓None — daily capsule | ✕Apply & wait before sex | ✓Daily or on-demand |
| Prescription | ✓Not needed | ✓Not needed | ✕Required |
| Common downsides | Takes weeks to build | Numbness, transfer, timing | Lower libido, ED, withdrawal |
| Improves over time | ✓Builds over ~3 months | ✕Flat forever | ✓Somewhat |
A precursor works on a baseline, and baselines move over weeks, not nights.
You're building a baseline. For most men the first signal shows up somewhere around week two or three — a little more room before the point of no return, a little less bracing to get there.
The change gets more consistent. Instead of hoping tonight goes well, you start expecting it — and at some point you notice you've stopped monitoring yourself at all.
Twelve weeks is the point the clinical trial recorded its results, and the point men describe as the difference between a good run and simply how sex works now.
“Before using mate, I had used anesthetic spray, anesthetic condoms, and antidepressant medication. Of everything I've used, mate has helped me the most. I can now control my ejaculation.”
Yash S. · Verified buyer · 6 months in“Used to take SSRIs for PE. No longer. Hated the side effects I was experiencing. Thank god for this product.”
Chirag R. · Verified buyer“The first few weeks there was no noticeable difference. By the 5th week I start to notice that I'm lasting longer, probably lasting 100% longer. I was skeptical at first, but I took a chance and it seems to work for me. I would recommend to all men who suffer from PE to give this a try, there nothing to lose.”
HV · Verified buyer“This product works great! You will last longer in bed. The difference was noticeable after about 3 months of taking it, and significantly better after 6 months. I've been using it for well over a year now.”
B G · Verified buyer · a year inThe best results come from consistent, daily use over three full months — the same twelve weeks the clinical trial measured.
Take it daily for the full three months. If you get to the end of the course and you aren't lasting longer, get in touch and we'll work with you to help address your ongoing PE concerns.
Including the questions most supplement pages would rather you didn't ask.
No — it works the opposite way around. An SSRI blocks serotonin from being cleared, forcing what's already there to linger throughout the body. 5-HTP is a precursor: it supplies the raw material, and your body converts what it needs at its own pace. Same pathway, very different mechanism, which is why the prescription's side-effect profile isn't part of the deal.
Talk to your prescriber first. mate endurance contains 5-HTP, which acts on the same serotonin pathway as SSRIs and other serotonergic medications, so this is a genuine conversation to have rather than a formality — and never stop a prescription on your own.
Check with your doctor before combining them. mate endurance includes L-Citrulline and Niacin, which support blood flow and circulation, and ED medications act on blood flow too. We'd rather you ask than guess.
Almost — and we'd rather tell you the difference than blur it. The twelve-week, placebo-controlled trial studied the mate endurance formula when it used L-Tryptophan. The current formula uses 5-HTP, which is one step further along the same pathway: the body converts L-Tryptophan into 5-HTP, then 5-HTP into serotonin. The trial's results are for the formula as studied.
Not on day one, and that's expected. Most men describe a first signal somewhere around week two or three — more room before the point of no return rather than a dramatic change. It builds from there, and month three is where the clinical trial recorded its results. Individual results vary.
Then tell us and we'll make it right. Take it daily for the full three months, get in touch, and we'll work with you to help address your ongoing PE concerns.
No. mate endurance is a dietary supplement, not a drug. It's made in the USA, manufactured to the FDA's current Good Manufacturing Practices, and third-party lab tested for microbes and contaminants.
Yes. Everything ships in plain packaging with no indication of what's inside, with free tracked US shipping, and orders leave within one business day.
Physician-formulated, studied against placebo, and nothing to time around sex.Get ready to start lasting longer.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. mate endurance contains 5-HTP, which acts on the same serotonin pathway as SSRIs and other serotonergic medications. If you take an antidepressant, a migraine medication, or any other drug affecting serotonin, talk to your prescriber before starting — and never stop a prescription on your own.
This article was written by the mate editorial team and medically reviewed by Dr. James Elist, MD, who formulated mate endurance. It is published by mate and is not a substitute for advice from your own doctor.
