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180-Day Money Back Guarantee           Rated ‘Excellent’ on Trustpilot          Third-Party Clinically Tested  


A high-impact formula with 100% natural ingredients. Helps you enjoy enhanced intimacy for longer with just two daily capsules.

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180-day satisfaction guarantee

Natural ingredients only


🕒 Improves sexual stamina and duration

🔥 Increases overall sexual satisfaction

😌 Reduces sex-induced stress and anxiety

Cautionary advice: If you are taking medication or are under medical supervision, consult your doctor before taking any food supplement. Keep out of sight and reach of children. Do not take if seal is broken. This product is not intended to diagnose, treat, cure or prevent any disease.

In a double-blind, randomized, placebo-controlled research study, the Endurance Catalyst effectively addressed symptoms associated with PE: 

  • 68% increase in overall sexual satisfaction
  • 66% increase in sense of control over timing
  • 70% decrease in stress and anxiety caused by sexual experiences (because sex shouldn't be stressful)

About the Clinical Trial

A study conducted with a double-blind, randomized, and placebo-controlled design evaluated the efficacy of the Endurance Catalyst in alleviating symptoms related to premature ejaculation. The study, spanning 12 weeks, revealed a statistically significant favorable outcome compared to the placebo group. See the full clinical study here

Daily Intake: 1-2 capsules per day, morning or night.

When to take: Can be taken with or without food.

Important: Do not exceed the recommended intake.

Storage: Store in a cool, dry place away from direct sunlight. Food supplements are not to be used as a substitute for a varied, balanced diet and healthy lifestyle. For best before date & batch number please see base.

⬆ 68%

increase in overall sexual satisfaction

⬆ 66%

increase in sense of ejaculatory control

⬇ 70%

decrease in sex-induced stress and frustration

Take two capsules once-daily.
Reap the rewards all night.

Backed by research.

All-natural ingredients.
No gimmicks.

Vegetarian formula.
Lean and green.


According to research, our product improves some subjective symptoms of PE compared to placebo. Last longer, or get your money back after 180 days of treatment. Learn more about our promise here.

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The natural PE solution

🌿 Natural ingredients

This is the first all-natural, research-backed approach to treat PE.

❌ No prescription needed

As an all-natural supplement there's no tele-health visit or prescription requried.

📦 Discreet & convenient

We ship your treatment in discreet packaging for your confidence.

😊 Free shipping - always

As with all our products, shipping is for free - always.

Backed by Scientific Research

In a double-blind, randomized, placebo-controlled research study, our treatment effectively addressed symptoms associated with PE. You can read the study here.

100% Natural Ingredients

Screenshot_2023-10-12_at_19.00.00 - Haelf
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Screenshot_2023-10-12_at_19.02.22 - Haelf
Vitamin B6
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Screenshot_2023-10-12_at_19.04.29 - Haelf

See the full list of ingredients here.

You might be wondering

Is this premature ejaculation supplement safe to use?

Our premature ejaculation supplement is formulated with natural ingredients and has undergone rigorous testing to ensure safety and efficacy. It is free from harmful chemicals and additives, making it safe for regular use when taken as directed.

How does your supplement help with premature ejaculation?

Our supplement is designed to address the root causes of premature ejaculation. It contains a powerful blend of vitamins, amino acids, and plant-based ingredients that work together to improve ejaculatory control, enhance sexual satisfaction, and reduce stress and anxiety related to intimate matters.

This supplement operates on the same fundamental mechanism as common generic prescription antidepressants, specifically SSRIs. However, it distinguishes itself by avoiding the typical array of side effects associated with such medications. Instead, it leverages amino acids to stimulate serotonin production, a neurotransmitter linked to sexual performance. Additionally, it combines a blend of purported libido-enhancing ingredients, including cinnamon, fenugreek, grape seed extract, 5-HTP, L-Citrulline, and tribulus.

Are there any side effects?

As a natural dietary supplement, our product generally has a low risk of side effects. However, individual reactions may vary. It is always recommended to consult with a healthcare professional before starting any new supplement, especially if you have any pre-existing medical conditions or are taking other medications.

How long does it take to see results?

Results may vary from person to person, but many users report experiencing positive changes within the first few weeks of consistent use. For the best and most sustained results, we recommend taking the supplement daily for 2-3 months.

Can I take the supplement with other medications?

While our supplement is generally safe for most individuals, it is essential to consult with a healthcare provider if you are taking other medications or supplements. They can advise on potential interactions and ensure the supplement is suitable for your specific health needs.

Is the shipping discreet and confidential?

Yes, we understand the importance of privacy. Our shipping is discreet, and the packaging does not reveal the contents inside. Your order will be handled with the utmost confidentiality.

How do I take this PE supplement?

For optimal results, take the supplement as directed in our treatment guide. Usually, it involves taking a specified dosage with water once a day. Avoid exceeding the recommended dosage unless advised by a healthcare professional.

Do you offer a money-back guarantee?

Yes, we stand behind the quality and effectiveness of our product. If you are not satisfied with the results after using our supplement as directed, we offer a money-back guarantee within a specified time frame. Please check our refund policy for more details.

More questions? Reach out to us at

More than 1,000 men trust this treatment

We are rated EXCELLENT on Trustpilot

Trustscore 4.7/5

Customer Reviews

Be the first to write a review

David_Liu - Haelf

Dr. David Liu, PhD

The doctor trusted PE treatment

"Having reviewed the clinical study, this premature ejaculation supplement presents compelling evidence of its efficacy. It is truly pioneering in its approach."

As seen in

"Clinically proven treatments that actually work"

"Doctor prescribed treatments fully online"

"Haelf is convenience paired with science"


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