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Right out of the gate, feeling a lot more confident.

Makes me feel like in my 20s. I feel again like a real man.

Can't believe it actually works.

Great results without issues. Great value.

More volume. Better taste.
Better performance.

More volume. Better taste.
Better performance.

10 Synergistic Ingredients — Results You Can See & Feel
Boosts Volume, Taste, Performance & Fertility
Made In USA & Third-Party Tested
Most Men Feel a Difference Within 7 Days*
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10 studied activesThird-party tested · EurofinsHormone-freeMade in a cGMP facility · USANo proprietary blends90-day money-back guarantee
The formula

10 ingredients. One complete formula.

Clinically dosed · Effective

01

Tongkat ali

Supports testosterone and drive, and backs sperm health.

02

Maca root

Andean adaptogen studied for sperm concentration, motility and libido.

03

Bromelain

Pineapple-derived enzyme aimed to naturally enhance taste.

04

Ashwagandha

Helps bring cortisol down so your system can produce, not panic. Stress is the enemy of output.

05

Zinc & Copper

Chelated for absorption. The enzymatic trigger behind sperm production.

06

L-arginine & Panax ginseng

Nitric-oxide precursor that opens the pipes for blood flow and nutrient delivery.

07

Sunflower lecithin

Reddit's favorite for a reason. Maximum volume, optimal fluidity and output.

08

Horny goat weed

Supports healthy circulation, energy and overall male performance.

  • Made in a cGMP facility
  • Hormone-free
  • Non-GMO
  • Vegan
  • Third-party tested
  • Made in the USA

SEMEX is a daily supplement that supports semen volume and taste, plus the drive, blood flow and reproductive health behind male sexual performance. Ten studied actives, dosed on purpose — no proprietary blends.

Third-party tested · Eurofins

Purity and safety, on paper.

Screened by an independent lab. These are the checks and the results.

  • Yeast & mold< 100 CFU/g
  • SalmonellaAbsent
  • E. coliAbsent
  • StaphylococcusAbsent
  • MercuryNot detected
  • Lead< 0.34 µg
  • Arsenic< 0.29 µg
  • Cadmium< 0.42 µg
  • SildenafilNot detected
  • TadalafilNot detected
  • ThiosildenafilNot detected
  • UdenafilNot detected
  • VardenafilNot detected

Results as reported on the certificate of analysis.

Structure/function statements. These statements have not been evaluated by the Food and Drug Administration.

How it works

Four things the formula supports, in order

Three capsules a day. This is the path the actives take, and the systems they were studied to support.

01

Dissolve

The capsule opens in the gut and releases the actives.

All actives
02

Absorb

Botanicals, minerals and amino acids cross into the bloodstream. Chelated zinc and copper are there to absorb better.

ZincCopperSelenium
03

Circulate

L-arginine feeds nitric oxide, the signal that supports healthy blood flow where you want it.

L-ArgininePanax Ginseng
04

Settle

Ashwagandha was studied for lowering cortisol, the stress hormone that quietly works against reproductive function.

AshwagandhaMaca

Illustrative renders, not micrographs. Structure/function statements; this product is not intended to diagnose, treat, cure, or prevent any disease.

Real customers

Don't take our word for it. Take theirs.

Verified buyer reviews, collected through Junip, quoted as written.

4.8 · 1,358 reviews
SEMEX customer photo
This product is what I needed, makes me feel like in my 20s I feel again like a real man it added like 80 percent more than I had before taking it thanks so much
Leonardo GVerified buyer · Excellent

REALLY WORKS

Right out of the gate, feeling a lot more confident. haha.

Kenneth JVerified buyer

No Complaints!

As a daily supplement, it gives great results without issues. Great value.

Kevin HVerified buyer

Pleasantly Surprised…

can't believe it actually works. i feel like i'm in my twenties again. awesome product

Benjamin MVerified buyer
In the routine

Up before the sun. Still the first one in.

Three capsules a day, and the rest of the day is yours.

SEMEX jar, trailhead · 6:10 am
Trailhead · 6:10 am
SEMEX jar, dock · first light
Dock · first light
SEMEX jar, three, with water
Three, with water
SEMEX jar at the pull-up bar
Pull-up bar · 47
SEMEX jar, coffee stop · mile 40
Coffee stop · mile 40
SEMEX jar, saturday
Saturday
SEMEX jar, tailgate
Tailgate
Ninety in the jar
SEMEX jar with capsules90 days · full refund
The guarantee

Feel the difference, or your money back.

Results or your money back. Simple. Try SEMEX for 90 days and if you're not blown away, we refund you in full. Zero questions asked.

  • 90Days to decide
  • 100%Refund
  • 0Questions asked
  • 3Capsules a day
Questions

Straight answers.

What does SEMEX actually do?

SEMEX is built to support semen volume, taste and the overall experience of your finish. The "side effects" men mention: more drive, more intensity, better performance.

Will it taste… better?

Yes, and there is science behind it. Bromelain (the active pineapple enzyme) and maca work together to support a cleaner, sweeter result over time.

How long until I see results?

Within the first week, most men notice more drive and better blood flow where it matters. By week two, volume and intensity start climbing in ways that are hard to ignore. By week four you are operating towards full capacity: more output, better taste, faster recovery between rounds.

How do I take SEMEX?

Take three capsules daily with water, preferably with a meal. For best results, use consistently for at least two to three weeks.

Is SEMEX safe?

SEMEX is manufactured in an NSF cGMP registered facility in the USA and goes through rigorous third-party testing by Eurofins. Hormone-free.

Does SEMEX support reproductive health?

That is the point. Volume and taste are what you notice first, but underneath, SEMEX supports sperm production, motility and overall reproductive function. Zinc, maca, tongkat and ashwagandha are all studied for reproductive health. The fun part is the surface. The real work is underneath.

What if it doesn't work for me?

That is what the 90-day guarantee is for. If you are not completely satisfied with your results, request a refund within 90 days of your first delivery. Full cost, no questions asked.

Do you accept returns?

If for any reason you are not over the moon with your purchase, request a refund within 90 days of delivery of your first order. We refund the full cost of the product, no questions asked.

Your first order

The stack includes

  • SEMEX · 90 capsules $49$39
  • Travel pill keychain $10Free
  • 7-day pill organizer $20Free
  • Shipping on your first order $10Free
  • Chance to win an Apple Watch Ultra $799Entry
Add to cart · $39

90-day money-back guarantee on your first order. Cancel anytime.

What is included

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. Individual results vary.