How to Increase Sperm Count and Improve Sperm Health: Evidence-Based Guide
Written by: Mate Health Clinical Education Team
Medically reviewed by: Nicholas Farber, MD
Published: March 8, 2026
Struggling With Fertility? How to Increase Sperm Count
The subject of female fertility tends to come up as a first concern for couples who have been experiencing trouble conceiving. However, as studies show, male factors contribute to infertility in roughly half of affected couples. It is natural to wonder how to increase sperm count, how to improve sperm count, or more broadly, how to improve sperm health, if you have also been trying to conceive without any result.
The positive aspect is that sperm health can be changed with a change in lifestyle and medical assistance. This blog tells you what factors are associated with sperm count and what measures may support overall sperm health.
Table of Contents
Why Sperm Count Matters
Sperm count refers to the number of sperm in one milliliter of semen. The lower reference limit for sperm concentration reported in the WHO 6th Edition (2021) is 16 million sperm per milliliter. Results below the lower reference limit should be interpreted alongside other semen parameters and the broader clinical picture.
If you are wondering how to improve sperm quality, you must consider more than count alone:
Motility. This is the percentage of sperm that can move and, more specifically, move forward in a purposeful direction. Even if there may be enough sperm, the sperm cell may face problems traveling through the female reproductive tract due to a lack of motility. For this reason, fertility specialists do not depend solely on the sperm count.
Morphology. This indicates the dimensions and form of a single sperm, consisting of its head, midpiece, and tail. Abnormal shapes can make it more difficult for sperm to reach and fertilize the egg, despite normal counts and motility.
Volume. This is the total amount of semen produced per ejaculation. Volume matters because it works together with concentration to determine the total number of sperm available in a sample; low volume can reduce that total even if concentration per milliliter is within a healthy range.
Even men with slightly reduced counts may conceive naturally, as long as the quality of sperm across these other measures is good.
What Causes Low Sperm Count?
A low count of sperm does not occur in a day. It usually develops due to a mix of lifestyle, environmental, and medical factors.
1. Lifestyle Habits
Smoking and alcoholism: Smoking and drinking alcohol. Both have been shown to have a negative effect on sperm concentration and motility. Smoking brings about oxidative stress and possibly damage to sperm DNA. Regular excessive drinking may lead to disruption of testosterone production and all of the signals necessary for sperm development.
Lack of nutrition: An inadequate diet lacking the required nutrients for sperm production, including antioxidants, vitamins, and healthy fats, deprives the body of building blocks needed for sperm production. Deficiency in zinc, folate, and vitamin D has been linked to reduced sperm counts.
Obesity: Having too much fat in the body causes hormonal changes due to the rising transformation of testosterone into estrogen. Studies conducted in 2017 showed that there is a high prevalence of lower sperm count in men who are overweight and obese compared to men who are of normal weight.
Chronic stress: The continued exposure to psychological distress leads to an increase in cortisol levels, disrupting the hormonal pathway that controls both testosterone and sperm production. Studies show that men subjected to prolonged stress caused by either work, financial issues, or the fertility process itself suffer a decrease in semen quality.
Lack of sleep: Testosterone production primarily occurs when sleeping. Inadequate sleep consistently can lead to lower testosterone levels. Some studies have associated shorter sleep duration with lower sperm concentration.
2. Medical Conditions
Varicocele: The expansion of veins in the scrotum, like varicose veins, which increases testicular temperature, is one of the most common surgically treatable causes of male infertility.
Infections: Infections such as sexually transmitted infections, as well as other reproductive infections, can trigger inflammation or blockage, leading to issues with sperm production, motility, or transport from the body.
Diabetes: Uncontrolled sugar levels can lead to nerve damage and vascular problems in sexual function and have been associated in some studies with lower sperm count, reduced motility, and increased sperm DNA damage.
3. Environmental Factors
Frequent exposure to heat: The testes function best a few degrees below core body temperature. Regular exposure to hot tubs, saunas, or prolonged heat from a laptop on the lap can measurably reduce sperm production over time.
Contact with chemical toxins: Pesticides, industrial solvents, and certain plastics, including some found in food packaging, contain compounds that can disrupt hormone signaling and directly affect sperm quality in men with regular occupational or household exposure.
Inhaling polluted air: Prolonged exposure to air pollutants, especially fine particulate matter, has been shown in many studies to decrease sperm concentration and motility; this is probably due to similar oxidative stress mechanisms involved in cigarette smoking.
The first step to learning how to increase sperm count successfully is to understand the cause.
What Increases Sperm Count Naturally? Ways to Improve Sperm Health
If you want to support sperm health without medical intervention, it all starts with your daily routine.
1. Improve Your Diet
Sperm production directly depends on nutrition. It has been shown that high-antioxidant diets are associated with high semen parameters. Your diet should include leafy vegetables, salmon, eggs, red meat, walnuts, etc. These nutrients not only help in supporting count but also in providing assistance to those inquiring how to improve sperm quality by reducing oxidative stress.
2. Maintain a Healthy Weight
Testosterone in men is decreased by body fat. Even a weight loss of 5 to 10% is beneficial to hormone balancing.
If you're serious about how to increase sperm count, maintaining a healthy BMI is one of the most evidence-backed steps.
3. Exercise, But Don't Overdo It
Some moderate exercise improves testosterone and blood flow. But overly extensive endurance exercise can temporarily disrupt hormones. Strive towards consistency rather than intensity.
4. Reduce Stress
Cortisol at high levels disturbs the production of testosterone. Chronically stressed men tend to experience a reduction in the production of sperm. Hormones and sperm production can be aided with proper sleep, between 7 and 8 hours of sleep per night, and the incorporation of a few stress coping mechanisms.
5. Avoid Heat Exposure
The process of sperm production needs lower temperatures than body temperature. Snug underwear, long-term use of laptops on the lap, and hot baths reduce sperm output.
Supplements and Medical Support to Boost Sperm Count
Some men require more than lifestyle changes to see meaningful movement in their numbers.
Some published research has examined whether certain supplements are associated with semen parameters, though findings are mixed and no supplement is established as a treatment. Studies have looked at CoQ10 in relation to motility, zinc's role in testosterone production, L-carnitine's involvement in sperm energy metabolism, and ashwagandha in relation to sperm concentration. Anyone considering supplements should discuss them with their own physician, who can advise based on individual circumstances.
In case of a diagnosis of a hormonal imbalance, medication can be prescribed by physicians. In the case of varicocele, some studies have reported improvements in semen parameters following surgical repair, though outcomes vary and evaluation by a physician is needed.
Depending on the cause and individual circumstances, a physician may discuss assisted reproductive options such as IUI or IVF.
Time Taken To See Results
The mean cycle of sperm production is 74 days. This implies that the current lifestyle changes can only be shown in the output of semen after 2 to 3 months.
As a way of enhancing the amount of sperm in the body, one has to be patient and consistent. Building sperm count is rarely immediate, and by maintaining healthy habits and regularly checking progress with an at-home laboratory semen analysis, improvements in sperm health can be observed naturally over time.
When to See a Specialist
In case of 12 months, or 6 months if your partner is older than 35, of failed attempts to conceive, it is recommended to be tested. Early semen analysis helps identify whether focusing on how to improve sperm quality is sufficient or whether medical treatment is needed.
Male fertility testing is simple, non-invasive, and provides clarity.
How Mate Health Can Support You
Mate Health is a CLIA-certified, CAP-accredited high-complexity andrology laboratory offering confidential, at-home mail-in semen analysis. You collect your sample at home and mail it in. Our laboratory reports your core semen parameters using WHO 6th Edition (2021) methodology. Testing can provide a clearer picture of semen health and help inform conversations with a physician about whether additional evaluation may be appropriate.
Conclusion
Fertility can be stressful, since one has to know their body and make informed decisions to ensure that their sperm count is increased. Issues such as better nutrition, reduction of stress, sleep, and weight control are everyday changes that have the potential to positively influence the issue of reproductive health. In case of failed attempts to conceive, it is necessary to have testing and professional guidance. By being given the right path and working hard, sperm quantity and overall male reproductive health can be improved practically in the early stages of life.
Read more about why sperm respond to heat and how it affects fertility.
FAQs
1. Can low sperm count improve?
In some men, sperm concentration and other semen parameters may change over time or following lifestyle changes or treatment of an underlying condition. The potential for improvement depends on the cause, which is why testing and evaluation can be helpful.
2. Is low sperm count permanent?
Not always. Sperm concentration and other semen parameters can change over time, depending on factors such as overall health, lifestyle, medications, and underlying medical conditions.
3. How can I check sperm count at home?
At-home semen analysis allows you to collect a semen sample privately at home using a collection kit. With a mail-in laboratory test such as Mate Health, the sample is then shipped to the laboratory for analysis of sperm concentration and other semen parameters.
4. Does age affect sperm count?
Yes, sperm concentration and other measures of semen quality may change with age, although age-related changes vary between individuals.
5. Which foods improve sperm?
Research has examined dietary patterns rich in antioxidants, fruits, vegetables, healthy fats, and other nutrients in relation to semen quality. No single food is established as a treatment for low sperm count.
6. What is the quickest way to boost sperm count?
There is no overnight way to increase sperm count. Sperm development takes about 74 days, so changes in semen parameters may take two to three months to become apparent. Lifestyle changes such as stopping smoking, maintaining a healthy weight, improving sleep, and reducing excessive heat exposure may support overall sperm health.
7. What should I do if lifestyle changes aren't increasing my sperm count?
If semen parameters have not changed after several months, consider speaking with a physician about whether additional evaluation may be appropriate. Depending on individual circumstances, a physician may evaluate for underlying factors such as hormonal abnormalities or varicocele.