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Support peak volume. Clinically studied.

Volume, consistency, control, supported.

Semenax®

Build your supply:
One time purchaseFree shipping on all continental USA orders

67-day money-back guarantee

Semenax® is the clinically studied natural formula that supports all four semen-producing functions, so you can support:

  • Peak semen volume production
  • Better control and stronger, better-quality finishes
  • Thicker, more consistent results
  • Results that build over 8 to 12 weeks
  • 67-day money-back guarantee
  • Free shipping on US orders
  • Discreet, unbranded packaging
  • Secure checkout
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How it works

Semenax® works by combining 17 clinically studied amino acids, minerals and botanical concentrates that feed the whole male reproductive system, from fluid production to release. Zinc, L-lysine and L-arginine support the seminal vesicles (about 70% of your volume) and the prostate gland (about 25%), while Swedish flower pollen, pumpkin seed and L-carnitine support consistency, quality and control. The result is peak volume, thicker consistency and better-quality finishes.

How to use it

Designed for simplicity. Built for consistency. Take 4 capsules a day with a full glass of water, ideally with meals. Most men notice a difference in 2 to 3 weeks, with peak results building over 8 to 12 weeks of consistent use. No complicated cycles. No gimmicks. Just a clinically studied formula that works with your body, not against it.

Clinical studies

Built on science, not guesswork. Semenax® was tested in a two-month, double-blind, placebo-controlled study of 63 men aged 30 to 60, run by Vedic Lifesciences and published in a peer-reviewed journal. It is the only formula of its kind tested as a finished product, not ingredient by ingredient. Semenax® showed statistical significance over placebo on both the investigator's global assessment and the patients' own assessment.

Quality and safety

Every bottle of Semenax® is made in a cGMP compliant facility under the same standards used by major pharmaceutical manufacturers. Every raw material is tested for purity before production, so what is on the label is exactly what is in the capsule. No proprietary blends, no synthetic hormones, no banned substances. 100% natural active ingredients, licensed by Health Canada and on the market since 2001.

Shipping and returns

Free shipping on continental USA orders. Orders ship within 48 hours in plain, unbranded packaging and your statement shows “leadingedgehealth.com”.

Try Semenax® for 60 days. If you are not satisfied, return the containers within 67 days of delivery for a full refund of the product price, less shipping.

  • No proprietary blends
  • Purity tested
  • Published clinical study
  • cGMP compliant facility
  • Health Canada licensed
  • 100% natural actives
  • Since 2001
  • Urologist approved
Why volume drops

Most men produce well below their potential. Not because they can't, but because production isn't fuelled.

Semen is produced by four different glands and fluids, and each one depends on specific amino acids, minerals and plant compounds. Age, stress and an average diet rarely deliver those nutrients at the doses production needs.

The result is the thinner, weaker finish most men over 30 quietly accept as normal. Semenax® was formulated to change that by supplying all four functions at once, every day.

4
semen-producing functions supported
17
clinically studied nutrients
8-12
weeks to peak results

Get Semenax®

Most men produce well below their potential. Not because they can't, but because production isn't fuelled.
How it works

Semenax® supports all 4 semen-producing functions

Volume is not made in one place. Semenax® was designed to feed every part of the system, not just one.

~70%

Seminal vesicles

Produce the bulk of your seminal fluid. When they are properly fuelled, volume goes up.

Supported
~25%

Prostate gland

Adds the fluid that gives semen its body and consistency.

Supported

Seminal plasma

The medium that carries and protects sperm. Healthy plasma means healthier, more consistent output.

Supported

Bulbourethral gland

Produces the fluid that makes your release thicker and more gel-like.

Supported

Percentages are approximate contributions to total semen volume.

How to use it

For real results, in one simple daily habit

Semenax® works with your body over time, so consistency matters more than anything else.

  1. 1

    Take 4 capsules a day

    With a full glass of water, ideally with a meal. Morning and evening works for most men.

  2. 2

    Stay consistent for 8 to 12 weeks

    Production builds gradually. The 3-month supply matches the window where most men see their peak.

  3. 3

    Notice the difference

    Volume, consistency and control improve first. Keep going to maintain the results.

For real results, in one simple daily habit
What to expect
Weeks 2 to 3 First noticeable change in volume
Weeks 4 to 8 Consistency and control improve
Weeks 8 to 12 Peak results, maintained with daily use
Inside every capsule

17 nutrients. Full label disclosure. No proprietary blends.

Amino acids, minerals and botanical concentrates from China, Europe and South America, each chosen for its traditional use or scientific track record.

Swedish Flower Pollen

Swedish Flower Pollen

VolumeProstate

A traditional source of micronutrients and bio-factors that research suggests support a healthy male reproductive system and prostate function.

L-Arginine HCL

L-Arginine HCL

VolumeMotility

Studies suggest L-Arginine supplementation supports healthy semen volume and sperm motility, including in men with lower counts.

L-Lysine

L-Lysine

VolumeQuality

Works with zinc. Researchers found the combination supports sperm production and semen quality.

Zinc Oxide & Zinc Aspartate

Zinc Oxide & Zinc Aspartate

ConsistencyQuality

An essential mineral for normal testosterone production and sperm formation. Research suggests it supports semen consistency and quality.

L-Carnitine

L-Carnitine

Motility

Found in high concentrations in healthy sperm. Research shows it supports the percentage of highly motile sperm.

Maca

Maca

EnergyVitality

Andean root used since the Incas. Research suggests a role in supporting energy, endurance and male reproductive health.

Pumpkin Seed

Pumpkin Seed

ProstateVolume

Naturally high in zinc and traditionally used to support overall prostate health, which helps the volume and quality of semen.

Vitamin E

Vitamin E

CirculationAntioxidant

An antioxidant that supports healthy circulation and helps protect cells, including sperm cells, from oxidative stress.

Quality you can check. Semenax® is made by the same cGMP compliant manufacturer that produces medicines for major retailers. Every raw material is tested for purity before production, and we will happily share the Certificate of Analysis for any ingredient. Just ask.

Published clinical study
Peer reviewed
The proof

Customer reviews are one thing. A published, double-blind clinical study is another.

Customer feedback consistently pointed to one thing: a clear change in volume and consistency. So we put Semenax® to the test. Vedic Lifesciences ran a two-month, double-blind, placebo-controlled study on men aged 30 to 60. One group took Semenax®, the other an identical placebo, and the researchers measured changes in semen characteristics.

63
men, aged 30 to 60
2
months, double-blind
Peer
reviewed and published

“Semenax showed statistical significance over the placebo with respect to the investigator's global assessment and the patient's global efficacy assessment.”

Same study, conclusion
Verified reviews

Join the 1,118+ men who rated Semenax® 5 stars

Real customers, real routines. Volume and consistency are what they talk about most.

Verified customer

This stuff really works

I am super pleased with this product. After 2 weeks of using this product I can tell a big difference in […] the volume of semen I produced. This stuff really works. I mean it really works. No that I have used it over a month the results are even better. I have my self esteem back […] I love this product and highly recommend it.

Tim R.
Verified customer

I can tell you with certainty it works

I have been using Semenax® for 4 months now and have been really enjoying the promising results. I chose to use this product because honestly I was skeptical […] I have been using this product long enough to show results and I can tell you with certainty it works.

Craig M.
Verified customer

My semen increased in volume and comes out thicker

I have to admit that at the beginning of taking it I did not see any change, but at the same time I remembered that the product is made from natural ingredients and I remembered that natural products take a while to take effect, so I kept taking it and practically three and a half weeks later I began to see the changes and they were excellent. My semen increased in volume and comes out thicker. […] I can only thank the creators of this great product. So if you are reading this, what are you waiting for?

Adalberto S.

Get Semenax®

Individual results vary. Reviews are from real customers.

67-day money-back guarantee
Our results promise

Try Semenax® for 60 days. Not satisfied? Send back the empty containers.

If you do not notice a difference in volume or consistency, return the containers within 67 days of delivery and we refund the full product price, less shipping. That is a full 60-day trial plus a week for return shipping. We built Semenax® to deliver real results, and we want you to experience them without hesitation.

Get Semenax®

Semenax bottles
How fast will I notice results?

Most men notice a difference within 2 to 3 weeks, with full effects building over 2 to 3 months of consistent use. Peak results come from staying consistent.

Will this work for me?

Semenax® is formulated to support all four semen-producing functions, using 17 clinically studied ingredients. While individual results vary, most men report a clear change in volume, consistency and control.

What makes Semenax® different from other supplements?

We do not rely on proprietary blends or hype. Semenax® lists every ingredient on the label and is the only formula of its kind tested as a finished product in a published, double-blind, placebo-controlled study.

How do I know this will work for me?

We understand the skepticism. That is exactly why we back Semenax® with a 67-day money-back guarantee. If you do not notice a difference, return the containers, even the empty ones, for a refund of the product price.

How does the money-back guarantee work?

Simple: try Semenax® for 60 days. If you are not satisfied, return the containers within 67 days of delivery and we refund the product price, less shipping. Refunds are limited to one order per customer.

Can I still take this if I am on medication or post-vasectomy?

Many men use Semenax® alongside medication or after a procedure. However, we always recommend speaking with your doctor if you have specific health concerns.

Are there any side effects?

Semenax® uses 100% natural active ingredients and was well tolerated in the clinical study. Some men may notice mild stomach upset if the capsules are taken without enough water or food. Always take your dose with meals and stay hydrated.

Is this safe to take long-term?

Yes. Semenax® is manufactured in a cGMP compliant facility, every raw material is tested for purity, and the formula has been on the market since 2001. It is licensed by Health Canada and available without a prescription.

How long does one bottle last?

Each bottle of Semenax® contains 120 capsules, a full 30-day supply when taken as directed (4 capsules per day).

How long does shipping take?

Orders are processed within 48 hours and shipped by tracked courier. Delivery time depends on the service selected at checkout, generally 2 to 8 business days. Shipping is free on continental USA orders.

Is packaging discreet?

Yes. Orders ship in plain, unbranded packaging with no mention of the product inside, and your card statement shows “leadingedgehealth.com”.

Ready when you are

Join thousands of other happy men

Clinically studied, made in a cGMP facility, and covered by a 67-day money-back guarantee.

67-day money-back guarantee · Free US shipping · Discreet packaging

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. For adults 18 and over.

Testimonials are from real customers. Individual results may vary. Free shipping applies to the lower 48 US states.