The masculine body holds countless mysteries. Why room guys constantly scratching your balls? What specifically is a foreskin supposed to do? Why do flaccid penises look for this reason ridiculous?

But the many pressing concerns we have issue semen—also well-known as ejaculate, spunk, and by a host of much less printable nicknames. Sure we know it consists of sperm, yet what rather is in there? Why does it look and smell different sometimes, and also is it just a myth that it's great for her skin? To prize these and other questions, us talked come a men's wellness specialist, who common some seriously fascinating facts.

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Semen and also sperm room not the very same thing. Sperm room tadpole-shaped, microscope cells that are part the semen. Their task is come fertilize an egg inside your body, and also to acquire there, they're brought along by liquid that's developed by various male sex organs.

“The prostate fluid includes chemicals the make semen much more liquid-y so the sperm have the right to swim much more freely,” Michael Reitano, MD, physician in residence because that the men’s company Roman, tells “The seminal engine carry out fructose, a street that offers spermatozoa the power it requirements to swim all the way to the woman egg.” all together, this components comprise semen.

Dr. Reitano claims that sperm contains vitamin C, B12, ascorbic acid, calcium, citric acid, fructose, lactic acid, magnesium, zinc, potassium, sodium, fat, and hundreds of various proteins. However don’t battered your everyday vitamin just yet. “The quantity of really nutritional components is tiny,” he says, and also most of the is simply water. What around the calorie count? "If the really nutritional elements are added—meaning all the fats, proteins, and carbohydrates—then a ¾ teaspoonful that semen may provide little an ext than a few calories the nutrition.”

The typical amount of semen exit during ejaculation averages between two and five ml, the identical of about one teaspoon. However this stuff fill a punch—there are practically 15 million come 200 million sperm in an mean milliliter the semen.

True, men can create sperm transparent their entire lives. Yet it isn’t always viable. Dr. Reitano says that according to one study, sperm developed by men over age 52 were more likely to be abnormal than the sperm the younger men. Young guys likewise produce much more sperm per ejaculation. “Semen production is highest in males in their 20s or so, yet can decrease slowly starting at any point from that age onward,” that says.

Precum, or the pre-ejaculate fluid that comes the end of a man's penis when he's turned on, contains barely any kind of viable sperm. “Most that the proof leans toward pre-ejaculate containing no sperm, or only very tiny amounts of sperm,” Dr. Reitano says. “What sperm is discovered tends to be poorly formed and also immobile. Guys are thought about infertile if they have actually too little sperm, therefore the tiny quantities that may be uncovered in pre-ejaculate are exceptionally unlikely to result in pregnancy.” (Good to know, but it's most likely wise to make sure the stuff doesn't get inside friend if you yes, really don't want to acquire pregnant.)

So what's the suggest of precum? It's nature's lube, in part. "Pre-ejaculate is a slightly basic secretion exit from glands referred to as Cowper glands," Dr. Reitano says. "The clear secretion protects sperm from the acid setting of the urethra and also the vagina, as well as lubrication to some degree."

Stinky semen could be indicative that a bigger issue. “Foul-smelling semen deserve to be a authorize of one infection, perhaps a sexually sent infection. STIs may likewise be at work if the semen bring away on a yellow or green color,” states Dr. Reitano. “On occasion, a broken blood courage in the urethra or prostate have the right to make semen show up brown or reddish.”

What is semen supposed to odor like? "Semen can generally have a slim ammonia or bleach-like odor," he adds. "Anecdotally, semen have the right to have a slight change in odor or taste with transforms in food, definition eating asparagus may result in a similar change in the smell of semen as provided with urine."

Sperm deserve to live increase to 5 days inside a woman's reproductive tract, just waiting for that egg to show up so they have the right to fertilize it and also do what nature intends them come do. Yet outside the the body, semen can’t survive an extremely long. “If ejaculation occurs in a hot bathtub with chemicals, the sperm can live no an ext than a few seconds. If that is deposited into a bath of heat water the is roughly 98 degrees,  may live because that a couple of minutes,” Dr. Reitano says. “If the is deposited into the air and also onto a tough surface, it will certainly live until the semen is dry. The sperm dies once that occurs.”

For whatever reason, semen appears to be the latest trend in skincare. Yet Dr. Reitano says that while it's likely safe, it's more than likely not walking to benefit your skin in any type of way. "Semen doesn’t have any inherent components that are negative by nature," claims Dr. Reitano. Stick come acne products to clear up those breakouts instead.

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Remember the mrs who entered anaphylactic shock ~ her companion ejaculated in she mouth? Yeah, so execute we. Unfortunately, semen allergies space possible. Says Dr. Reitano: "



This is a rare condition yet it exists. The allergy reaction is normally localized and also causes redness or ede at the point of contact—usually the vagina." To it is in precise, it's the proteins in semen that cause the allergy reaction.

"Another way a partner have the right to be allergy to their partner's semen is if she has actually an allergy come a specific food or antibiotic, together examples, and also the male partner has consumed the food or is acquisition the antibiotic to which she is allergic," adds Dr. Reitano. "The allergen accumulates in the male's semen, and when the is inserted in the vagina, the allergen is soaked up into the bloodstream. The female partner may build widespread hives or worse." Yikes!