Fertility & sperm
Selenium for Male Fertility: Benefits for Sperm Health
Selenium supports sperm movement and protects sperm from damage. Learn the benefits for male fertility, food sources like Brazil nuts, and safe limits.
In short: Selenium for male fertility matters because this trace mineral helps sperm swim properly and protects them from oxidative damage. Some studies link selenium (often with vitamin E) to better sperm motility. Too much is harmful, so food first is wise.
What is selenium?
Selenium is a trace mineral found in soil and foods. The body uses it to make antioxidant enzymes and to support thyroid function. The testes contain high levels of selenium because sperm need it to develop and move.
How selenium supports sperm
- Motility: selenium is part of a protein in the sperm “midpiece” that powers swimming.
- Shape: low selenium is linked to more abnormally shaped sperm.
- Protection: antioxidant enzymes protect sperm DNA from damage.
What does research show?
Some trials in men with fertility problems found that selenium, often combined with vitamin E or other antioxidants, improved sperm motility and, in some studies, pregnancy rates. Results vary, and supplements help most when someone is actually low in selenium.
Food sources
- Brazil nuts – just one or two provide a full day’s needs
- Fish and seafood, such as tuna, sardines and prawns
- Eggs, chicken and beef
- Whole grains, beans and mushrooms
How much is safe?
Adults need about 55 micrograms a day. The upper safe limit is 400 micrograms a day. Too much selenium can cause hair loss, brittle nails, garlic-smelling breath and nerve problems. Eating more than a few Brazil nuts every day, plus a supplement, can push you over the limit.
Other nutrients for sperm
Zinc, folate, vitamin C, vitamin E and omega-3 fats also matter. See zinc benefits for men sexually, folate and sperm health and how to increase sperm count naturally.
Lifestyle matters most
Nutrients help most alongside not smoking, limiting alcohol, keeping a healthy weight and avoiding heat around the testicles. See boxers vs briefs and sperm count.
When to get checked
If you have been trying for a baby for 12 months (or six months if your partner is over 35), ask an appropriately registered medical professional about a semen analysis. Our naturopath in Sandton can support natural nutrition and lifestyle changes alongside that process.
Why men choose our natural approach
Walk in or consult remotely
Walk in at Buccleuch, Sandton, with parking available, or consult by phone or video from anywhere in South Africa.
Natural and non-surgical
Herbal remedies and practical guidance, with no injections or surgery.
Faster appointments
Enquiries answered 24/7, with same-day appointments often available.
Transparent pricing
Consultations are R2,500, with any remedy costs confirmed before you commit.
Private self-check: 5 quick questions
Answer these honestly before you try anything new or book. They help you describe what is happening and get more from your first consultation.
- Have you noticed changes in the colour, amount or consistency of your semen?
- Do you have pain, burning or discomfort when urinating or ejaculating?
- Have you seen blood in your urine or semen, or any coloured discharge?
- Have you been trying for a baby for 12 months or more without success?
- Is this worrying you or affecting your sex life or confidence?
A yes to questions two or three means you should see an appropriately registered medical professional promptly. For lifestyle-related concerns, a naturopath can help with natural support alongside medical care.
What happens at your first consultation
- Walk in or book online, call +27 10 205 9855 or WhatsApp +27 81 823 1313. In Gauteng, walk in at 199 Vanessa Street, Buccleuch, Sandton, where parking is available. Outside Gauteng, choose a confidential phone or video consultation. Enquiries are answered 24/7.
- Talk privately with a naturopath about your symptoms, health history, lifestyle and goals.
- Receive a personalised natural plan, with any remedy costs confirmed upfront.
- Follow up in person or remotely so your progress is reviewed and your plan adjusted.
Your health and safety
Our naturopaths use natural remedies and lifestyle support, and always check your health history and current medicines first. If anything needs medical attention we tell you honestly and refer you to an appropriately registered medical professional. Avoid unregistered “enhancement” products sold online or at markets, as SAHPRA has warned that some contain hidden ingredients.
Seek urgent medical care for chest pain, an erection lasting more than four hours, sudden weakness or other sudden symptoms.
Consultation price
A consultation is R2,500, in person or remote, and your naturopath confirms any further costs before you go ahead. See our mens clinic prices for details.
Frequently asked questions
Does selenium improve sperm count?
Selenium mainly supports sperm movement and shape. Some studies found improvements when men with low levels took it, often with vitamin E.
How many Brazil nuts should I eat for selenium?
One or two Brazil nuts a day usually provides enough selenium for an adult.
Can too much selenium be harmful?
Yes. More than 400 micrograms a day can cause hair loss, brittle nails and nerve problems.
How long does selenium take to improve sperm?
Sperm take about three months to develop, so changes may show after around three months.
Should I take a fertility supplement with selenium?
Check with a qualified practitioner first to avoid doubling up on selenium from food and supplements.
How much does a consultation cost?
A consultation is R2,500, and any remedy costs are confirmed with you before you go ahead.
Book your consultation today
Walk in at our Sandton practice any time, day or night, or book ahead. Outside Gauteng? Book a remote consultation.
References and further reading
Reviewed by George Mulaudzi, Naturopath. This page is general information and does not replace a personal consultation. If you have chest pain, sudden symptoms or a medical emergency, seek urgent medical care.
