Two semen volume supplements compared. Side-by-side analysis by the WellnessChecked editorial team.
✍️ WellnessChecked Editorial Team✅ Side-by-Side Comparison📅 Updated October 2026
Affiliate disclosure: We earn a commission if you buy through links on this page, at no extra cost to you. We only cover products from brands we have affiliate relationships with, so our top picks are the best of the products we cover, not of every product on the market.
⚡ Quick AnswerLast Reviewed: October 2026
Semenax is our top pick among semen-volume supplements. It's the only one of the two with a placebo-controlled trial of the product, which found a modest increase in ejaculate volume; that trial was small and company-funded. VigRX Max Volume, built mainly on sunflower lecithin, zinc and L-arginine, hasn't been studied.
⚡ Quick Verdict
We prefer Semenax, our top pick among semen-volume supplements, because it has a published randomized trial of the product: average volume rose about half a milliliter, versus a small drop on placebo. VigRX Max Volume has no product study, and there's little human evidence that lecithin raises volume. Keep expectations modest with either.
A VigRX-brand capsule built on sunflower lecithin (1,000 mg), L-arginine (100 mg), zinc (40 mg) and AstraGin, per third-party listings; we couldn't confirm the label on the official site. The product hasn't been studied.
A 16-ingredient amino acid and herbal blend (including L-arginine, L-lysine, zinc, L-carnitine and Swedish flower pollen) from Leading Edge Health. One small, company-funded trial found a modest volume increase versus placebo, but no difference in sperm quality, sexual function or orgasm.
Semenax is our top pick among semen-volume supplements, with the caveat that its one trial was small, company-funded and found no clear benefit in men who already had low volume. Buy direct: counterfeits have been documented.
We prefer Semenax because it's the only one with a published placebo-controlled trial of the product, which found a modest increase in ejaculate volume. VigRX Max Volume hasn't been studied.
Semenax is a 16-ingredient amino acid and herbal blend; amounts aren't on the sales page. VigRX Max Volume is a simpler capsule built on sunflower lecithin with L-arginine, zinc and AstraGin, per third-party listings.
Both contain zinc and L-arginine, so taking them together adds up those amounts. Don't combine them without checking with a healthcare professional, and count zinc from any multivitamin.
From the official Semenax website. The guarantee requires empty containers to reach the warehouse within 67 days of delivery, shipping isn't refunded and it's one refund per customer. Counterfeits have been found elsewhere, including one with undeclared yohimbine.
Both contain L-arginine, which can lower blood pressure: take care with nitrates, ED drugs and blood pressure medicines. Watch total zinc if you take other supplements. Semenax also contains hawthorn, vitamin E and flower pollen, so check with a doctor if you take blood thinners or have a pollen allergy. A sudden drop in semen volume, pain or blood in semen deserves a doctor's visit.
Disclaimer: This comparison is produced by the WellnessChecked editorial team. None of the products mentioned are medicines. Not intended to diagnose, treat, cure or prevent any disease. These statements have not been evaluated by the Food and Drug Administration. Individual results may vary. Always consult a qualified healthcare professional before starting any supplement program. We earn affiliate commissions on purchases made via links on this page — at no extra cost to you. Full disclaimer →
We'd like to use Google Analytics cookies to count visits and see which pages are useful. Analytics records the pages you view, which can include health topics. They stay off unless you accept. Privacy Policy