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. In one small, company-funded trial, average ejaculate volume rose modestly versus placebo. SemEnhance is marketed to improve the taste of semen with vitamin C, fruit powders, bee pollen and royal jelly; we found no published evidence that any supplement changes semen taste.
⚡ Quick Verdict
Our pick is Semenax, our top pick among semen-volume supplements. Its single trial is small and company-funded and showed no benefit on sperm quality, sexual function or orgasm, so expect a modest effect at most.
Semenax is a 16-ingredient amino acid and herbal blend from Leading Edge Health, including Swedish flower pollen, L-arginine, L-lysine, zinc, L-carnitine, maca and Butea superba, with no amounts on the sales pages. In its one trial (63 men analyzed, 2 months), average ejaculate volume rose from 2.49 to 2.97 ml versus a small drop on placebo; sperm count, motility and sexual function didn't differ from placebo. The trial was company-funded, and the tested formula may differ from today's. 67-day guarantee, counted from delivery.
SemEnhance is a blend of vitamin C, pineapple, kiwi, banana, strawberry, celery, bee pollen and royal jelly from the same company, with no amounts or directions shown. The studies its page mentions are about sperm or oxidative markers, not taste, and none tested the product. It contains bee products, which can trigger allergic reactions. 67-day guarantee, counted from delivery.
Semenax is our top pick among semen-volume supplements and our pick in this comparison. Buy direct from the official site so the 67-day guarantee applies and to avoid counterfeits, and keep expectations modest.
Semenax is our top pick among semen-volume supplements and our pick in this comparison. SemEnhance targets taste rather than volume, and there's no published evidence that it works.
Semenax is an amino acid and herbal blend marketed for semen volume, with one small trial. SemEnhance is a fruit, vitamin C and bee-product blend marketed to change semen taste, with no trial.
They haven't been studied together. Semenax's L-arginine and vitamin E and SemEnhance's royal jelly can all affect blood-thinning medicines, so check with a doctor if you take warfarin or similar drugs.
Buy Semenax from the official website. Counterfeits have been documented (Australia's TGA found a fake with undeclared yohimbine). The guarantee requires empty containers to arrive back within 67 days of delivery, shipping isn't refunded and there's one refund per customer.
Both are dietary supplements, not medicines. Semenax: L-arginine may drop blood pressure too low with nitrates and adds to the effect of ED drugs and blood pressure medicines, L-arginine and vitamin E may raise bleeding risk, and it isn't advised with a pollen allergy. SemEnhance: bee pollen and royal jelly can cause allergic reactions, including severe ones, and royal jelly may interact with warfarin.
Disclaimer: This comparison is produced by the WellnessChecked editorial team. All products mentioned are dietary supplements — not 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