Can ‘Spermaxxing’ Make Cum Taste Better?

There is a subsection of men on the internet that are very into biohacking. By approaching their looks, health, and relationships like some sort of data-driven performance metric, they hope to optimize themselves as human beings. Overall, I’m not the biggest fan of this movement, which includes offshoots like Looksmaxxing, with deep roots in Intel and manosphere culture. But a recent trend, spermaxxing, may actually be one I can get on board with.The “responsibility” of fertility has almost always fallen onto women. But because of this new wave of men being obsessed with augmenting their bodies, they’re suddenly becoming aware of the role their sperm—and overall health—play in reproduction. Hence, spermaxxing.Spermaxxing is when men try to aggressively optimize their sperm count, motility, morphology, volume, and overall reproductive health. They do this through nutrition, exercise, and healthy habits. Well, at least some do. Others stupidly attempt to “spermaxx” through other channels like eating a lot of garlic or putting their testicles in ice water.And while nothing intelligent really comes out of the manosphere, I do think this attention to men’s reproductive health (even in the name of “maximizing” their sperm) can be used for good instead of evil—as long a you keep your testicles far away from ice baths.What Are Some Ways Men Are ‘Spermaxxing’?Some men are being relatively sensible: eating better, exercising, getting enough sleep, maintaining a healthy weight, cutting back on smoking and alcohol, and generally trying to be healthier.The American Urological Association and American Society for Reproductive Medicine note that certain lifestyle and environmental factors can affect male fertility. Diets that emphasize fruits and vegetables over higher-fat foods and meats have been associated with ”healthier” semen, while smoking and anabolic steroid use can negatively affect sperm.Weight matters, too. Studies suggest that improving diet and losing weight when appropriate can improve some measures of semen quality, including sperm concentration and total sperm count. But making a number on a semen analysis look better doesn't automatically mean you’ve increased your chances of getting someone pregnant. As Dr. Andi Toufexis, a board-certified family medicine physician and sex educator, tells Cosmopolitan, “improving a laboratory measurement isn’t the same thing as demonstrating a higher chance of pregnancy or live birth.”And then there’s ejaculation—or, more specifically, how long you should go without it. This is where spermaxxing gets particularly funny because the internet would have you believe that men should simply hoard their sperm.It’s true that longer periods without ejaculating can increase semen volume and sperm concentration. A 2024 study found that longer abstinence was associated with roughly one additional milliliter of semen on average. But more isn't necessarily better: longer abstinence was also associated with higher sperm DNA fragmentation and lower progressive motility.So if you’re trying to conceive, “saving up” for as long as possible isn't necessarily a fertility fix. The relationship between ejaculation frequency and sperm quality is complicated, and shorter periods of abstinence can produce sperm with better motility and DNA integrity even though the resulting ejaculation contains less semen.So where did this idea of dipping your testicles in ice water come from? “Small studies of targeted cooling have shown some promising results,” Toufexis says, “but we don’t have strong evidence to recommend icing as a routine fertility practice.”If someone is genuinely concerned about their fertility, the most productive form of spermaxxing is probably significantly less sexy than whatever is trending on TikTok: see a doctor. A semen analysis can actually assess sperm concentration, motility, morphology and volume, rather than relying on how much semen comes out or whether it looks particularly impressive in a tissue.“The evidence doesn’t establish a universal spermaxxing ‘stack,’ and fertility care should be individualized,” Toufexis says. “For products that claim to boost fertility or semen parameters, look for published human clinical trials measuring the outcomes being advertised. Laboratory testing of a product’s ingredients alone doesn’t establish that it improves fertility.”But What About Making Your Sperm Taste Better?There have been old wives tales about what you eat affecting how your semen tastes. So obviously, it might strike someone that eating healthy through “spermaxxing” might even make them taste better.The short answer is: there isn't good evidence that spermaxxing can make semen taste better. Despite years of memes and anecdotal reports claiming that eating pineapple makes semen taste sweeter, there isn't convincing clinical evidence demonstrating that it actually works.The same goes for products marketed specifically as semen-taste enhancers. “Products that claim to improve semen taste don’t have convincing clinical evidence behind those claims,” Toufexis says.It is true that semen taste can be influenced by a variety of factors, but there isn't a scientifically established diet that guarantees a sweeter or more pleasant result—especially because what tastes “good” when it comes to semen is pretty subjective.More importantly, improving sperm quality isn't the same thing as changing semen taste. A man could theoretically improve his sperm concentration or motility without his partner noticing any difference whatsoever during oral sex. Likewise, producing more semen doesn't mean it will taste better.“Improving sperm quality or increasing ejaculate volume doesn’t establish that semen will be more palatable,” Toufexis says.There’s nothing wrong with men taking their reproductive health seriously. In fact, considering how often fertility has historically been framed as primarily a woman's responsibility, men becoming more aware of their own reproductive health is a good thing.But there’s a difference between taking care of your fertility because it’s important to you and trying to “optimize” your sperm because you think it says something about your masculinity or worthiness. I’m all for men having more agency with their reproductive health, but I’d rather they do it just for the sake of being healthy.