How is Sperm Made? How Does Ejaculation Work? A Summary of Sperm & Semen Production and Ejaculation Volume

Men who shoot huge loads aren’t necessarily more fertile than men who don't cum a lot. However, research has shown that low sperm count is correlated with low semen volume in some men - so increasing semen volume may be beneficial if you're trying to conceive. Beyond that, many people simply want to cum like a porn star since ejaculating a large volume has been reported to make orgasms feel better. 


Here's everything that you need to know about what academic research says about semen production, ejaculate volume, and everything in between. We'll also cover when you might want to consult your healthcare provider about it.

The Short Answer.

Your ejaculation volume changes from day to day; the amount that you cum depends on a number of different factors.


There are a few ways that you can increase your semen volume: stay hydrated, take natural supplements, and abstain from ejaculating for up to 4 to 5 days (there are diminishing returns after that point).


Some medical conditions have been shown to cause changes in the amount that you ejaculate. Research indicates that low sperm count is correlated with low semen volume, though one does not definitively indicate the other.

How Your Body Produces Semen

Semen is an intricate combination of proteins, vitamins, and minerals that are created by the testicles, prostate, seminal vesicles, and bulbourethral glands. Let's take a look at what semen is made of:

Seminal Vesicles

These are small, tubular glands located between the bladder and rectum. Though small in size, they are responsible for 50 to 65% of your ejaculate volume. The fluid produced by the seminal vesicles is primarily made of fructose, a type of sugar. Sugar acts as a fuel for sperm cells, allowing them to travel through the body. Seminal vesicle fluid also contains nutrients such as ascorbic acid (vitamin c), amino acids, phosphorus, potassium, and more. Ultimately, this blend of nutrients helps keep sperm healthy and energetic.


Prostate Gland

The prostate gland is responsible for 20 to 30% of your semen volume. Similar to fluid from the seminal vesicles, fluid secreted by the prostate is an important nutrition source for sperm and also plays a role in lubrication. It primarily consists of zinc, calcium, citric acid, and magnesium.


Testicles

Surprisingly, only 5% of one's sperm volume is produced in the testes. That being said, the contribution from one's testes is significant - they produce sperm cells. On average, the testes contribute 80 million spermatozoa per milliliter of ejaculate.


Bulbourethral Glands (Cowper's Glands)

Also known as Cowper's glands, these are pea-sized glands located near your prostate that secrete a clear, lubricating fluid. This fluid makes up about 5% of your ejaculate. You might be familiar with its more common name: pre-cum.


On average, about 1.5 to 5 ml of semen is produced each time that you ejaculate (0.05 to 0.17 fl. oz - a bit less than a table spoon on the upper end). Interestingly, there is a strong correlation between testicle size, semen volume, and semen composition. In other words, big balls are correlated with big, healthy loads.

Semen Volume & Sexual Preferences

Do people actually care about how much a man ejaculates? In 2018, the Journal of Sexual Medicine published the first study that explored how male ejaculation volume and intensity are related to women's pleasure during sex. The study surveyed 240 sexually active heterosexual women and found that:

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41% of participants said that the ejaculate volume that they felt contributed to their orgasm intensity.

In other words, almost half of the women in the study said that their orgasm was better when their partner produced more semen.

1 in 8 study participants considered the quantity of their partner's ejaculate to be a reflection of their own sexual attractiveness.

Some people feel more attractive and get more enjoyment out of sex when their partner cums a lot!

Cum in same sex relationships?

Let's be honest, most of us have compared how much we ejaculate with our partner. It's a fun experiment! That being said, researchers have not yet explored preferences in this area. More to cum, uh.., come in the future 😜

How Can You Increase Semen Volume?

There are many factors that go into how much ejaculate you produce. Let's explore each of these areas, including what you can and cannot control.

What CAN'T you control about your semen volume?

Age


According to Seth Cohen, MD, MPH from the NYU Langone Health Center in New York City, "the most semen that you will ejaculate in your life will be when you're young and going through puberty. As you age, the amount of semen that you produce will decrease. This is because the prostate grows as you age, which makes urinating and ejaculating more difficult. Additionally, your prostate produces less seminal fluid over time."

Genetics


As with all things in life, your abilities ultimately come down to a combination of your genetics and the way that you live your life. Some people simply have a natural ability to cum more, while others do not. Luckily, there are ways to increase the amount of semen that you ejaculate, which we will discuss next.

Medical Conditions:


Certain medical conditions lead to a decrease in the amount of semen that's produced. Dr. Cohen says that there are two main culprits:

Benign Prostatic Hyperplasia (BPH)

Enlargement of the prostate gland. It leads to issues urinating including difficulty expelling all of your urine, increased frequency of the urge to urinate, and a slow or weak urine stream. BPH is extremely common: Over 50% of men over the age of 50 have BPH and over 90% of men over the age of 80 have BPH.

Prostatitis
Swelling and inflammation of the prostate gland. It can cause painful urination as well as changes to the consistency, scent, and color of semen.

What CAN you control about your semen volume:

Diet

Though it might sound cliché, you truly are what you eat. There are a few main parts of your dietary intake that can affect how much you cum:


Hydration

Semen is mostly made of water. It shouldn't come as a surprise that dehydration decreases the volume of semen that's ejaculated. Additionally, dehydration has even been shown to lead to decreased sperm quality, which researchers define by measures like sperm motility and the concentration of sperm for a given volume of semen.


Vitamins & Minerals

Semen is created by many complex processes in your seminal vesicles, prostate gland, testicles, and bulbourethral glands. To function properly, these body parts need many different vitamins and minerals such as zinc, magnesium, vitamin c, and many, many others. If you're deficient in the building blocks that make up semen, then your body will not be able to produce as much.


Abstinence


This is the least fun answer in this entire article. Abstaining from ejaculating is a great way to increase the amount of semen that you produce. A group of physicians and researchers from the American Society for Reproductive Health conducted a study that found that semen volume increases by 16% per day over the first 5 days of abstinence. Put differently, ejaculation volume DOUBLES after 5 days without ejaculating. Maybe No Nut November is good for something after all!

Aside from drinking more water, making sure that your body has the vitamins and minerals that it needs is likely the easiest area for you to affect the amount of semen that you produce. As mentioned above, vitamins and minerals are critically important in the production of semen. A few commonly used semen-boosting compounds are: zinc, pygeum, saw palmetto, lecithin, vitamin E, vitamin B6, pumpkin seed, amino acids, and selenium.

Why Aren't Semen-Related Supplements FDA Approved? Are they Safe?

While there isn't an FDA-approved compound to increase your ejaculate volume, there are supplements on the market that are worth looking into. 


Note: a lack of FDA approval does not mean that a supplement doesn't work. It simply means that a company has not paid the FDA to approve the supplement. That being said, all dietary supplements on the market in America are reviewed for safety by the FDA. Dietary supplements can only be sold if they are deemed safe by the FDA.


There is a significant amount of research about many ingredients that are commonly found in dietary supplements. So why aren't they FDA approved? There are a few reasons:

Cost to Develop a New Drug: 


Creating a new drug is expensive! On average, it costs $2.6 Billion for pharmaceutical companies to develop a new drug and bring it to market.


Cost to Get FDA Approval:


To obtain FDA approval for a new therapeutic treatment, a company must fund a Phase 1, Phase 2, and Phase 3 clinical trial. The average cost to run clinical trials is $37 Million:


  • Phase 1 Cost: $4,000,000
  • Phase 2 Cost: $13,000,000
  • Phase 3 Cost: $20,000,000

FDA Approval = No Improvements:


Medical research is constantly changing as we learn new information. While a drug like Viagra has been studied extensively and may not need to change, the same cannot be said for drugs that increase semen volume.
Let's use zinc, saw palmetto, and pygeum as an example. There's a lot of research that shows that these are promising supplements for increasing one's semen volume.


  • If a company were to get FDA approval for a supplement containing these 3 ingredients, but they later learn that a fourth ingredient will make a better product, they will have to go through another FDA approval process. 
  • Thus, at this point in time, companies often elect to sell products as dietary supplements instead of pursuing FDA approval. 

Ultimately, you get out of your body what you put into your body. Lifestyle decisions like eating a well-balanced diet, exercising regularly, avoiding tobacco, actively managing stress, and avoiding drinking alcohol will improve your health and wellbeing. These things will help improve your mood and libido, which will ultimately increase the odds that you will have a good time in bed.