How to Produce More Sperm and Semen: What Actually Helps

“How can I produce more sperm?” can mean two very different things: increasing the amount of semen you see during ejaculation, or improving sperm count and quality for fertility. Those are not the same goal. Most semen volume comes from accessory glands, while sperm cells make up only a small part of the fluid.

Semen Volume Is Not the Same as Sperm Count

A larger-looking ejaculate does not prove that it contains more sperm, and a smaller volume does not automatically mean infertility. A semen analysis evaluates several measures together, including volume, sperm concentration, total sperm number, motility and morphology.

The current WHO-based lower reference values used by NICE include a semen volume of 1.4 mL, sperm concentration of 16 million/mL and total sperm number of 39 million per ejaculate. These are reference values from fertile populations, not a simple pass/fail line between fertile and infertile. See the current NICE semen-analysis guidance.

Where Semen and Sperm Come From

Sperm are produced in the testes. During ejaculation they mix with fluid from the seminal vesicles, prostate and other glands to form semen. That distinction explains why a change in fluid volume does not necessarily mean a matching change in sperm production.

Low semen volume can also occur because part of a sample was missed during collection, because ejaculation was very recent, or because of medical issues such as obstruction, retrograde ejaculation or hormonal problems. If volume is repeatedly low, guessing at supplements is less useful than proper evaluation.

1. Do Not Chase Volume With Long Abstinence

Waiting longer between ejaculations can increase volume or sperm concentration in some samples, but that does not mean longer abstinence automatically improves fertility. ASRM notes that abstinence longer than five days may adversely affect sperm counts, while daily ejaculation can still produce normal sperm concentration and motility in men with normal semen quality.

For couples trying to conceive, ASRM advises that intercourse every one to two days during the fertile window produces the highest pregnancy rates, and people should not be told to limit sex just to “save sperm.” See the ASRM natural fertility guidance.

2. Stop Smoking if You Can

Smoking is one of the better-supported modifiable factors affecting semen parameters. The American Society for Reproductive Medicine reports lower sperm concentration, motility and morphology in smokers on average, with evidence of dose-related effects.

That does not mean every smoker is infertile or that quitting guarantees a dramatic increase in semen volume. It means smoking cessation is a sensible fertility and general-health step with broader benefits beyond sperm.

3. Limit Heavy Alcohol Use

Heavy or chronic alcohol use has been associated with lower sperm counts, motility, morphology, semen volume and testosterone. Evidence about moderate alcohol intake and male fertility is less clear, so claims that one drink destroys sperm or that complete abstinence always increases volume are not supported.

If fertility is a priority, limiting alcohol is reasonable, especially when use is heavy or frequent.

4. Aim for Sustainable Metabolic Health

Obesity is associated in some studies with lower sperm count, concentration, motility and altered reproductive hormones. The evidence that weight loss itself will reliably normalize semen parameters is less complete, but healthy weight management can improve general health, testosterone in some men and sexual function.

Avoid crash diets or extreme exercise plans marketed as sperm boosters. Sustainable nutrition, movement and sleep are more useful than short-term hacks.

5. Protect the Testes From Excessive Heat

Sperm production works best below core body temperature. Repeated intense heat exposure may affect semen parameters in some men. That is different from saying one hot shower will cause infertility.

If you are concerned about fertility, avoid unnecessary prolonged heat directly around the testes, especially if you already have abnormal semen results or occupational heat exposure.

6. Be Cautious With Testosterone and Anabolic Steroids

This is one of the most important fertility points. External testosterone and anabolic steroids can suppress the hormonal signals that drive sperm production. Someone can have higher blood testosterone while producing fewer sperm.

If you are trying to conceive, tell your clinician about testosterone therapy, bodybuilding drugs and supplements that may contain hormone-like substances. Do not stop prescribed treatment without medical guidance, but do not assume testosterone is a fertility treatment.

7. Do Not Rely on “Sperm-Boosting” Herbs and Supplements

The evidence for over-the-counter fertility stacks, herbs, antioxidants and volume pills is inconsistent. Some supplements are marketed using changes in laboratory markers rather than proven improvements in pregnancy or live-birth rates.

AUA/ASRM guidance notes that evidence linking specific diets and many lifestyle interventions to male infertility is limited. If a clinician finds a deficiency or medical cause, targeted treatment is different from taking a broad supplement stack “just in case.”

8. Hydrate Normally, but Do Not Expect Water to Create More Sperm

Severe dehydration can affect overall health and may change how secretions feel, but drinking excessive water is not a proven way to increase sperm production. Drink enough to stay normally hydrated. Clearer urine and better general hydration should not be mistaken for a fertility treatment.

9. Sleep and Stress Matter to Health, but Avoid Miracle Claims

Sleep disruption and chronic stress can affect hormones, sexual function and general health. Improving sleep may support overall reproductive health, but there is no reliable rule that a certain number of hours will suddenly increase semen volume.

Focus on consistent sleep and treatment for persistent sleep disorders, especially conditions such as sleep apnea that can affect broader metabolic and hormonal health.

10. Understand What Edging Can and Cannot Change

Edging may make an ejaculation feel more intense or change the subjective sense of volume, especially after longer arousal, but it is not a proven method for increasing sperm production. Semen volume, sperm count and orgasm intensity are separate measures.

If you enjoy orgasm control for pleasure, see our edging guide. Do it because you enjoy the technique, not because it is a fertility treatment.

When to Get a Semen Analysis

If the goal is fertility, the only useful way to know what is happening is a proper semen analysis. A laboratory report evaluates multiple parameters rather than eyeballing ejaculate size.

For laboratory semen testing, ASRM guidance commonly uses two to seven days of abstinence before sample collection so results can be standardized. That instruction is for testing, not a recommendation that couples trying to conceive should wait a week between sex.

If a semen analysis is abnormal, repeat testing may be needed because semen varies naturally from sample to sample. A clinician can decide whether additional evaluation is appropriate.

When to See a Fertility Specialist

Seek medical evaluation if you and a partner have been trying to conceive without success for 12 months, or earlier when the partner carrying the pregnancy is 35 or older, when semen analysis is abnormal, or when there are known reproductive health concerns.

Also discuss symptoms such as very low or absent ejaculate, blood in semen, testicular pain or swelling, erectile or ejaculatory problems, a history of testicular injury, chemotherapy, anabolic steroid use or reproductive surgery.

If Your Goal Is a Bigger-Looking Ejaculate, Be Realistic

Semen volume naturally varies. Longer intervals between ejaculations may make volume look larger temporarily, but that is not the same as producing healthier sperm. Pornographic media and marketing can also create unrealistic expectations about what normal ejaculation should look like.

If fertility is not the goal and you simply prefer the visual effect of more fluid, avoid risking your health with unregulated pills or extreme abstinence. There is no medically necessary target for a “large” ejaculation.

What Actually Matters for Fertility

Fertility depends on more than semen volume. Sperm number, movement, morphology, reproductive anatomy, hormones, age and the fertility of the other partner all matter. A normal-looking ejaculation cannot diagnose fertility at home.

If you want to optimize natural conception, regular intercourse during the fertile window matters more than trying to engineer one unusually large ejaculation.

What Can Change Semen Volume Without Changing Fertility?

Volume can vary from one ejaculation to the next because of abstinence interval, incomplete collection, illness and individual gland secretions. A single small-looking ejaculation therefore tells you very little about fertility.

Conversely, a large volume does not guarantee high sperm concentration, good motility or normal morphology. This is why fertility clinics measure semen rather than relying on appearance.

Medications and Medical Conditions Can Matter

Some medications, hormonal treatments and medical conditions can affect ejaculation, semen production or sperm parameters. Examples include testosterone therapy, certain cancer treatments, some medications that affect ejaculation, diabetes, hormonal disorders and obstruction of the reproductive tract.

If a change in semen volume is new and persistent, review medications and health history with a clinician rather than assuming the cause is diet or hydration.

What About Varicocele?

A varicocele is an enlargement of veins in the scrotum and can be associated with abnormal semen parameters in some men. It is not diagnosed by semen volume alone. A reproductive urologist can determine whether a physical examination, ultrasound or treatment is appropriate.

Trying to Conceive? Do Not Optimize the Wrong Number

People trying for pregnancy sometimes focus on producing the largest possible ejaculate. That can lead to long abstinence periods that actually reduce the number of opportunities for conception during the fertile window.

ASRM’s guidance emphasizes intercourse every one to two days during the fertile window, with less frequent intercourse two to three times per week producing nearly comparable results. The practical target is regular exposure at the right time, not maximum visible fluid at one encounter.

What a Semen Analysis Can Tell You

A standard analysis measures several parameters together. Volume tells you how much fluid was collected. Concentration tells you how many sperm are present per milliliter. Total count combines volume and concentration. Motility describes movement, morphology describes shape, and vitality assesses how many sperm are alive.

One result can fluctuate, so an abnormal result may need confirmation. Interpretation is especially important because WHO reference values describe a population distribution rather than guaranteeing fertility above a cutoff or infertility below it.

FAQs About Producing More Sperm and Semen