{"id":1315,"date":"2020-07-03T08:00:00","date_gmt":"2020-07-03T01:00:00","guid":{"rendered":"https:\/\/drsoaraweeurology.com\/?p=1315"},"modified":"2026-08-30T06:16:18","modified_gmt":"2026-08-29T23:16:18","slug":"7-supplements-de-sperme-sains","status":"publish","type":"post","link":"https:\/\/drsoaraweeurology.com\/fr\/2020\/07\/03\/7-sperm-supplements-healthy\/","title":{"rendered":"7 compl\u00e9ments alimentaires qui am\u00e9liorent la sant\u00e9 des spermatozo\u00efdes : les preuves et les doses"},"content":{"rendered":"\n<div class=\"wp-block-columns coblocks-author-columns has-background is-layout-flex wp-container-core-columns-is-layout-52275889 wp-block-columns-is-layout-flex\" style=\"background-color:#8C8C971A;padding-top:2.5rem;padding-right:2.5rem;padding-bottom:2.5rem;padding-left:2.5rem\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image size-full is-style-rounded\"><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" data-attachment-id=\"7037\" data-permalink=\"https:\/\/drsoaraweeurology.com\/fr\/new-photo-2024\/\" data-orig-file=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2023\/12\/New-Photo-2024.png?fit=800%2C800&amp;ssl=1\" data-orig-size=\"800,800\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Dr. Soarawee Weerasopone \u2014 Board-Certified Urologist in Bangkok, Thailand\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Dr. Soarawee Weerasopone \u2014 Board-Certified Urologist in Bangkok, Thailand&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2023\/12\/New-Photo-2024.png?fit=800%2C800&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2023\/12\/New-Photo-2024.png?resize=800%2C800&#038;ssl=1\" alt=\"Dr. Soarawee Weerasopone \u2014 Board-Certified Urologist in Bangkok, Thailand\" class=\"wp-image-7037\" srcset=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2023\/12\/New-Photo-2024.png?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2023\/12\/New-Photo-2024.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2023\/12\/New-Photo-2024.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2023\/12\/New-Photo-2024.png?resize=768%2C768&amp;ssl=1 768w, 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2.578-2.016 5.025-5.325 5.025h-3.919V7.416zm1.444 1.303v7.444h2.297c3.272 0 4.022-2.484 4.022-3.722 0-2.016-1.284-3.722-4.097-3.722h-2.222z\"\/>\n    <\/svg>\n  <\/a>\n  \n  <a href=\"https:\/\/scholar.google.com\/citations?user=lTgsRMUAAAAJ&#038;hl=en\" \n     target=\"_blank\" \n     rel=\"noopener\"\n     title=\"Google Scholar\"\n     aria-label=\"View Google Scholar Profile\"\n     style=\"text-decoration: none; color: #4285F4; transition: transform 0.2s; display: inline-block;\"\n     onmouseover=\"this.style.transform='scale(1.15)'\"\n     onmouseout=\"this.style.transform='scale(1)'\">\n    <svg width=\"28\" height=\"28\" viewBox=\"0 0 24 24\" fill=\"currentColor\">\n      <path d=\"M5.242 13.769L0.5 9.5 12 1l11.5 8.5-4.742 4.269C17.548 11.249 14.978 9.5 12 9.5c-2.977 0-5.548 1.748-6.758 4.269zM12 10a7 7 0 1 0 0 14 7 7 0 0 0 0-14z\"\/>\n    <\/svg>\n  <\/a>\n  \n<\/div>\n\n\n\n<p class=\"has-drop-cap wp-block-paragraph\">Infertility is defined as failure to conceive after 12 months of regular unprotected intercourse, and it is becoming more common. The point worth stating plainly at the outset is that <strong>more than 50% of cases involve a male factor<\/strong> \u2014 which still surprises couples, because the investigation so often begins and ends with the woman. This article covers the over-the-counter supplements most often used for sperm health, the doses that were actually studied, and \u2014 just as importantly \u2014 what the best trials found when they measured whether any of it leads to a baby.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Need supplement strengthen sperm health? <a href=\"https:\/\/drsoaraweeurology.com\/product\/strengthen-sperm-fertilaid-for-men\/\">Visit recommended supplement page here!<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Start with the disappointing part, because it changes how you read the rest<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Almost everything written about sperm supplements reports <em>semen parameters<\/em> \u2014 count, motility, shape. Those are easy to measure and they do shift with treatment. But a couple sitting in my clinic is not trying to improve a number on a laboratory report; they are trying to have a child, and those are not the same endpoint.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When researchers have measured the outcome that actually matters, the results have been sobering. The <strong>MOXI trial<\/strong>, a randomised study of a combined antioxidant formulation containing vitamin E and zinc among other ingredients, found <strong>no improvement in semen parameters, no improvement in sperm DNA fragmentation, and no improvement in live birth<\/strong> \u2014 15% in the antioxidant group against 24% on placebo. A Cochrane review of antioxidants for male subfertility reached a similar place from a different direction: the evidence that any of this improves pregnancy or live birth is of <strong>low certainty<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That does not make supplements worthless, and it does not mean nothing here is worth taking. It means the honest claim is narrower than the one usually made: some of these agents produce a measurable change in semen parameters, and none of them has been shown reliably to increase the chance of a baby. Anyone selling you certainty beyond that is selling you something.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Before you start any of them, a word on sequence.<\/strong> Supplements are worth taking after a <strong>semen analysis<\/strong> has shown what is actually wrong, not instead of one. Several genuinely treatable causes of male infertility \u2014 varicocele, hormonal deficiency, infection, obstruction \u2014 will not respond to any antioxidant, and months spent on capsules is time a couple trying to conceive cannot get back. Get the test first; the supplements make far more sense afterwards.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Two things drive most of the damage that supplements are aimed at: <strong>nutritional deficiency<\/strong> and <strong>oxidative stress<\/strong>. Nearly every agent below works on one or the other.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7 supplements studied for sperm health, and the doses that were tested<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>L-Carnitine<\/strong> \u2014 occurs naturally at high concentration in the epididymis, where sperm mature, and is central to their energy metabolism. <strong>2 g daily for 6 months<\/strong> significantly improves motility on semen analysis. This has the strongest evidence of the seven for motility specifically.<\/li>\n\n\n\n<li><strong>Vitamin C<\/strong> \u2014 a water-soluble antioxidant, abundant in citrus fruit. <strong>2 g daily<\/strong> has been reported to improve motility and count and to protect sperm DNA from oxidative damage.<\/li>\n\n\n\n<li><strong>Vitamin E<\/strong> \u2014 a fat-soluble antioxidant (alpha-tocopherol) found in almonds, spinach and avocado. <strong>Correction, August 2026: this page previously stated a studied dose of 1 g daily. That figure was wrong and has been removed.<\/strong> Randomised trials in male subfertility have used roughly <strong>200\u2013600 mg daily<\/strong>, and what benefit signals exist come from that range. One placebo-controlled trial using 400 IU daily found no significant improvement in volume, count, motility, morphology or IVF outcomes at all. Vitamin E performs better in combination with vitamin C or selenium than alone. <strong>1 g daily is above the studied range and sits at the tolerable upper intake level for adults<\/strong> \u2014 there is no fertility evidence supporting it and no reason to take it.<\/li>\n\n\n\n<li><strong>Coenzyme Q10<\/strong> \u2014 measured at low levels in infertile men. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/31408928\/\">Multiple studies<\/a> show <strong>400 mg daily for 3 months<\/strong> improves both sperm concentration and motility.<\/li>\n\n\n\n<li><strong>Zinc<\/strong> \u2014 essential for DNA transcription and sperm development, and the WHO estimates a third of the world\u2019s population is zinc deficient. <strong>Zinc sulfate 440 mg daily<\/strong> is within the range used in trials (roughly 220\u2013440 mg of zinc sulfate, or about 66\u2013200 mg of elemental zinc). The measured effect is <strong>modest<\/strong>: pooled data show an increase in sperm concentration of around 6.7 million per millilitre, with zinc often given alongside folic acid. Effects on pregnancy and live birth remain low-certainty. Prolonged high-dose zinc also causes copper deficiency, anaemia and neurological effects, so this is not a supplement to take indefinitely without review.<\/li>\n\n\n\n<li><strong>Selenium<\/strong> \u2014 a trace element supporting the structural integrity of the sperm tail. <strong>Selenium 200 mcg<\/strong> (micrograms, not milligrams) with <strong>N-acetylcysteine 600 mg daily for 30 weeks<\/strong> improves concentration, motility and the proportion of normally formed sperm. Selenium has a narrow safe range, so the unit matters: sustained intake far above this can cause selenium toxicity.<\/li>\n\n\n\n<li><strong>Combination antioxidants<\/strong> \u2014 multi-antioxidant formulations are where the commercial field has gone, on the reasoning that several agents together achieve more without high doses of any one. It is a sensible idea, but it is worth knowing that the largest randomised trial of exactly this approach, MOXI, did not improve semen parameters or live birth. Combination products are not a stronger version of the evidence; they are the same evidence, packaged.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Four things to know before starting<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Give it three months.<\/strong> Sperm take roughly 72\u201374 days to develop and mature, so nothing you swallow today shows up in a semen analysis next week. Most trials measure improvement at 3 to 6 months, and a repeat semen analysis at the end of a full course is how you find out whether it worked.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>More is not better, and with vitamin E it is worse.<\/strong> These are antioxidants, and pushing the dose beyond the studied range can impair sperm function rather than improve it \u2014 the paradox of antioxidant excess. Vitamin E is the clearest example: the doses that showed any benefit are 200\u2013600 mg daily, and 1 g daily exceeds the tolerable upper intake level for adults while adding no fertility benefit. Selenium is dosed in micrograms and has a narrow safe margin. Zinc taken at high dose for long periods depletes copper. The doses above are the ones that were tested, and there is no advantage in exceeding any of them.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Set the expectation before you spend the money.<\/strong> Sperm supplements are not cheap, and a three to six month course is a real cost. Go in understanding that the realistic aim is a change in semen parameters, that many men will see no change at all, and that the trials measuring live birth have not shown a benefit. If the budget has to go somewhere, a proper assessment that finds a varicocele or a hormonal cause is worth far more than any capsule.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Read the leaflet, and mention what else you take.<\/strong> Every supplement has potential side effects and interactions, and being natural does not make something inert. If you have an existing medical condition or take regular medication, run the list past your doctor first \u2014 and tell your doctor what you are already taking, since many men arrive at a fertility consultation already several months into a supplement regimen bought online.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you are facing male infertility concerns or would like a semen analysis and an individual assessment, Dr. Soarawee Weerasopone offers specialist consultations at Bangkok Hospital Headquarters. <a href=\"https:\/\/www.bangkokhospital.com\/en\/bangkok\/doctor\/dr-soarawee-weerasopone-2\">Book a Consultation<\/a>. Appointments at Samitivej Sriracha Hospital can be arranged by calling the Urology department on <a href=\"tel:0880221445\">088-022-1445<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bangkok Hospital Telemedicine is available for patients who cannot attend in person, including international patients \u2014 arrange it in advance by email to the Urology department at <a href=\"mailto:bhquro@bdms.co.th\">bhquro@bdms.co.th<\/a>. A video consultation is a practical way to review a semen analysis you already have and decide what is worth doing next; the semen analysis itself and the physical examination, which is how a varicocele is found, are done in person. Samitivej Sriracha is in-person only. For the cost of any consultation or test, please contact the Urology department at <a href=\"mailto:bhquro@bdms.co.th\">bhquro@bdms.co.th<\/a> rather than asking here.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Need supplement strengthen sperm health? <a href=\"https:\/\/drsoaraweeurology.com\/product\/strengthen-sperm-fertilaid-for-men\/\">Visit recommended supplement page here!<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions about Sperm Health Supplements<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1\"><strong class=\"schema-faq-question\">Can supplements really improve sperm quality?<\/strong> <p class=\"schema-faq-answer\">Partly, and it depends what is meant by quality. Several antioxidant supplements do produce measurable changes in semen parameters such as motility and concentration, with L-Carnitine and Coenzyme Q10 having the most consistent evidence for motility. What has not been shown is that any of them reliably increases the chance of a pregnancy or a live birth. A Cochrane review found only low-certainty evidence on those outcomes, and the MOXI randomised trial of a combined antioxidant formulation found no improvement in semen parameters, DNA fragmentation or live birth. Supplements work best after a semen analysis has identified the problem, not as a substitute for assessment.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-2\"><strong class=\"schema-faq-question\">Will taking sperm supplements help us have a baby?<\/strong> <p class=\"schema-faq-answer\">That is the honest question, and the honest answer is that it has not been demonstrated. The trials that measured live birth rather than semen parameters have not shown a benefit from antioxidant supplementation, and the largest of them recorded a live birth rate of 15% in the treated group against 24% on placebo. Supplements may still be reasonable alongside proper assessment, but they should not be the plan on their own, and they should not delay investigation for causes such as varicocele, hormonal deficiency, infection or obstruction, which have treatments that do change outcomes.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-3\"><strong class=\"schema-faq-question\">What is the best supplement for sperm motility?<\/strong> <p class=\"schema-faq-answer\">L-Carnitine has the strongest evidence for improving sperm motility. It is naturally concentrated in the epididymis, the organ where sperm mature, and plays a critical role in sperm energy metabolism. A dose of 2 grams daily for 6 months has been shown to produce significant improvements in sperm motility on semen analysis. Coenzyme Q10 at 400 mg daily is also well supported for improving both motility and sperm concentration. Both improve the laboratory measurement; neither has been shown to increase live birth rates.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-4\"><strong class=\"schema-faq-question\">How much vitamin E should a man take for fertility?<\/strong> <p class=\"schema-faq-answer\">Randomised trials in male subfertility have used roughly 200 to 600 mg of vitamin E daily, and any benefit signal comes from that range rather than from higher doses. One placebo-controlled trial using 400 IU daily found no significant improvement in semen volume, count, motility, morphology or IVF outcomes. A dose of 1 gram daily is above the studied range and sits at the tolerable upper intake level for adults, with no fertility evidence to support it. An earlier version of this page quoted 1 gram daily; that figure was incorrect and has been corrected. Vitamin E also appears to perform better in combination with vitamin C or selenium than on its own.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-5\"><strong class=\"schema-faq-question\">How long do I need to take sperm supplements before seeing results?<\/strong> <p class=\"schema-faq-answer\">Most sperm supplement studies show any improvement after 3 to 6 months of consistent use. This timeframe aligns with the spermatogenesis cycle, which takes approximately 72 to 74 days from sperm production to maturation. Do not expect immediate results, and arrange a follow-up semen analysis after completing a full course so that you find out whether it made any difference rather than continuing indefinitely on the assumption that it did.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-6\"><strong class=\"schema-faq-question\">Is it better to take individual supplements or a combination?<\/strong> <p class=\"schema-faq-answer\">Individual agents such as L-Carnitine and Coenzyme Q10 have the clearest standalone evidence for semen parameters. Combination antioxidant formulas are marketed on the reasoning that several agents together achieve more without high doses of any one, which is plausible, but the largest randomised trial of that approach did not improve semen parameters or live birth. A combination product is not stronger evidence than its components. A urologist or andrologist can help decide what, if anything, is worth taking based on the semen analysis result.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-7\"><strong class=\"schema-faq-question\">Are sperm supplements safe?<\/strong> <p class=\"schema-faq-answer\">At the doses used in studies they are generally well tolerated, but there are real limits. Excessively high doses of antioxidants can paradoxically impair sperm function, a phenomenon called antioxidant excess. Vitamin E at 1 gram daily exceeds the tolerable upper intake level for adults. Selenium has a narrow safe range and is dosed in micrograms, not milligrams. Prolonged high-dose zinc causes copper deficiency, anaemia and neurological effects. Follow the doses that were actually studied, read the product leaflet, tell your doctor everything you are taking, and review rather than continue indefinitely.<\/p><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Disclaimer:<\/strong> This content is written and reviewed by Dr. Soarawee Weerasopone, a board-certified urologist at Bangkok Hospital Headquarters. It is intended for educational purposes only and does not constitute medical advice. The doses quoted are those used in published studies and are not a prescription; supplementation should follow a semen analysis and a discussion with your doctor. Product availability, formulation strengths and regulation vary by country. No medical advice, diagnosis or prescription is provided through personal messaging channels or social media. Always consult a qualified healthcare professional before starting any supplement or medical treatment.<\/p>\n\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"MedicalWebPage\",\n      \"@id\": \"https:\/\/drsoaraweeurology.com\/2020\/07\/03\/7-sperm-supplements-healthy\/#webpage\",\n      \"url\": \"https:\/\/drsoaraweeurology.com\/2020\/07\/03\/7-sperm-supplements-healthy\/\",\n      \"name\": \"7 Supplements That Improve Sperm Health: The Evidence and the Doses\",\n      \"headline\": \"7 Supplements That Improve Sperm Health: The Evidence and the Doses\",\n      \"description\": \"The supplements most often used for sperm health, the doses actually used in trials, and what the randomised evidence shows about whether any of them improves the chance of a live birth.\",\n      \"datePublished\": \"2020-07-03\",\n      \"dateModified\": \"2026-08-30\",\n      \"lastReviewed\": \"2026-08-30\",\n      \"inLanguage\": \"en\",\n      \"specialty\": \"https:\/\/schema.org\/Urologic\",\n      \"medicalAudience\": { \"@type\": \"MedicalAudience\", \"audienceType\": \"Patient\" },\n      \"isPartOf\": { \"@id\": \"https:\/\/drsoaraweeurology.com\/#website\" },\n      \"author\": { \"@id\": \"https:\/\/drsoaraweeurology.com\/#physician\" },\n      \"reviewedBy\": { \"@id\": \"https:\/\/drsoaraweeurology.com\/#physician\" },\n      \"publisher\": { \"@id\": \"https:\/\/drsoaraweeurology.com\/#physician\" },\n      \"about\": { \"@type\": \"MedicalCondition\", \"name\": \"Male infertility\" },\n      \"disambiguatingDescription\": \"Doses cited are those used in published trials and are not prescriptions. Antioxidant supplementation has not been shown in randomised trials to improve live birth rates in male subfertility; the MOXI trial found no benefit and a Cochrane review found only low-certainty evidence on pregnancy and live birth. A previous version of this page stated a studied vitamin E dose of 1 g daily; that was incorrect and has been corrected to 200-600 mg daily.\"\n    },\n    {\n      \"@type\": \"DietarySupplement\",\n      \"@id\": \"https:\/\/drsoaraweeurology.com\/2020\/07\/03\/7-sperm-supplements-healthy\/#vitamin-e\",\n      \"name\": \"Vitamin E (alpha-tocopherol)\",\n      \"description\": \"Fat-soluble antioxidant studied in male subfertility at approximately 200-600 mg daily, usually in combination with vitamin C or selenium. A placebo-controlled trial at 400 IU daily found no significant improvement in semen parameters or IVF outcomes.\",\n      \"maximumIntake\": \"The tolerable upper intake level for adults is 1000 mg daily. 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Effects on pregnancy and live birth remain low-certainty.\",\n      \"safetyConsideration\": \"Prolonged high-dose zinc supplementation causes copper deficiency, anaemia and neurological effects. Treatment should be reviewed rather than continued indefinitely.\",\n      \"targetPopulation\": \"Men being investigated for subfertility, after a semen analysis.\"\n    }\n  ]\n}\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Plus de la moiti\u00e9 des cas d'infertilit\u00e9 impliquent un facteur masculin, et les compl\u00e9ments alimentaires sont la premi\u00e8re chose vers laquelle la plupart des hommes se tournent. Le Dr Soarawee Weerasopone expose les doses r\u00e9ellement utilis\u00e9es lors des essais, corrige un chiffre concernant la vitamine E que cette page avait erron\u00e9ment indiqu\u00e9 auparavant, et explique ce que montrent les preuves issues d'essais randomis\u00e9s quant \u00e0 l'efficacit\u00e9 r\u00e9elle de ces produits pour augmenter les chances d'avoir un enfant.<\/p>","protected":false},"author":185281453,"featured_media":10011,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"Sperm health supplements \u2014 L-Carnitine, CoQ10, zinc, selenium, vitamins C and E \u2014 the doses actually used in trials, and what the randomised evidence shows about whether they improve the chance of a baby. 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