STUD Stamina Booster Review: Are the Ingredients Safe? Scam Rumors Side Effects and Results Checked

Men searching for a STUD Stamina Booster review want to know one thing: does this heavily marketed formula actually improve bedroom endurance, or is it just another overpriced placebo? Created under the Clubhouse Supplements brand and heavily promoted by adult film actor Stirling Cooper, STUD targets men dealing with performance anxiety, stress overload, and premature fatigue.

Our review critically examines the STUD formula to separate medical reality from affiliate marketing hype. We analyze the specific ingredients, clinical evidence, side effects, real customer complaints, pricing, and potential scam concerns. Because the male vitality industry is notorious for deceptive claims, we will not give a final verdict until we evaluate the hard science behind the label.

Feature	Details
Verdict	Proceed with caution. Overpriced formula hidden behind proprietary blends.
Best For	Men seeking mild herbal stress relief and adaptogenic support.
Not Best For	Men seeking clinically proven treatments for severe performance anxiety.
Evidence Level	Weak for the full combined formula.
Price Per Serving	~$2.30 (based on retail bottle pricing)
Side-Effect Risk	Low to Moderate
Refund Policy	Strict (often applies to unopened bottles only)
Third-Party Testing	Unknown

What Is STUD Stamina Booster?

Clubhouse Supplements manufactures STUD Stamina Booster as a daily oral capsule designed specifically for men. The brand positions the product as an adaptogenic performance aid that targets brain chemistry rather than relying on harsh stimulants or artificial blood-flow enhancers.

The seller claims STUD works by increasing neurotransmitters like GABA and dopamine while simultaneously lowering stress hormones like cortisol and adrenaline. By calming the central nervous system, the product theoretically prevents the overstimulation that leads to early fatigue and performance anxiety. Marketers pitch STUD as a foundational daily vitamin for male endurance, promising that regular use builds stress resilience, improves emotional control during intimacy, and shortens physical recovery times.

STUD Stamina Booster Claims

Clubhouse Supplements makes bold promises regarding STUD’s capabilities. Here is how the scientific evidence stacks up against their primary marketing claims:

• Cures premature fatigue by altering brain chemistry: Unsupported. No dietary supplement can legally claim to “cure” any condition. While certain ingredients alter neurotransmitter levels, claiming they outright cure performance anxiety lacks clinical proof.
• Lowers cortisol and adrenaline: Partially Supported. The formula contains adaptogens. The National Center for Complementary and Integrative Health (NCCIH) confirms Ashwagandha can reduce perceived stress and lower serum cortisol levels.
• Boosts GABA and dopamine production: Not Enough Evidence. While precursors like L-Theanine influence brain waves, proving that this specific capsule optimally raises GABA levels during physical intimacy requires human trials that Clubhouse Supplements has not published.
• Enhances stamina and recovery: Partially Supported. Minerals like magnesium aid muscle recovery, but the lack of transparent dosing makes it impossible to verify the strength of this effect.

Company Behind STUD Stamina Booster

Clubhouse Supplements operates out of 128 City Road, London, United Kingdom. They maintain an active digital storefront and offer customer support via phone (559-608-3071) and email ([email protected]). Stirling Cooper, an adult industry performer, serves as the primary face and formulator for the brand.

While the company fulfills orders and responds to emails, their transparency falls short of industry standards. The brand claims its products are manufactured in GMP-certified facilities, but they do not publicly display independent third-party testing certificates for heavy metals, purity, or ingredient potency. Furthermore, their refund policy contains strict clauses, often restricting full refunds to unopened merchandise.

STUD Stamina Booster Ingredients

STUD relies on a proprietary blend, allowing the manufacturer to hide the exact milligram amounts of crucial herbal extracts. This practice prevents consumers from knowing if the ingredients match clinically effective doses.

Ingredient	Dosage	Claimed Benefit	Evidence Quality	Safety Notes
Magnesium Glycinate	Not disclosed	Calms nerves, supports muscles.	Strong	The NIH Office of Dietary Supplements states magnesium is crucial for muscle function.
Vitamin B6 & B12	Not disclosed	Neurotransmitter synthesis.	Strong	Safe water-soluble vitamins.
KSM-66 Ashwagandha	Proprietary	Lowers cortisol, boosts stamina.	Moderate	May cause mild stomach upset.
L-Theanine	Proprietary	Promotes relaxed focus.	Moderate	Studies on PubMed indicate L-Theanine safely reduces stress without sedation.
Rhodiola Rosea	Proprietary	Fights mental fatigue.	Moderate	A comprehensive PubMed review shows promise for stress resilience.
Taurine	Proprietary	Cardiovascular support.	Limited	Generally recognized as safe.
Kanna Extract	Proprietary	Reduces anxiety.	Weak	Lacks robust long-term human safety trials.

How Does STUD Stamina Booster Work?

STUD Stamina Booster attempts to hack the body’s stress response. During high-pressure situations-like physical intimacy or intense exercise-the body releases cortisol and adrenaline. This “fight or flight” response constricts blood vessels, spikes heart rate, and causes rapid physical exhaustion.

STUD uses adaptogens (Ashwagandha, Rhodiola) and amino acids (L-Theanine, Taurine) to blunt this cortisol spike. Simultaneously, the formula attempts to feed the brain raw materials (Vitamin B6, Magnesium) to produce GABA, an inhibitory neurotransmitter that promotes calmness. In theory, by keeping the brain relaxed and the nervous system grounded, a man can maintain physical control and delay the overstimulation that causes early fatigue. The mechanism relies entirely on stress reduction rather than cardiovascular stimulation.

Does STUD Stamina Booster Really Work? Evidence Review

We rate the clinical evidence for the complete STUD Stamina Booster formula as Weak.

While the theory behind reducing adrenaline to prolong endurance makes physiological sense, the real-world evidence for this specific product is lacking. The manufacturer cites isolated studies on individual ingredients, but they have never published a placebo-controlled clinical trial testing the actual STUD capsule on human subjects.

Furthermore, the proprietary blend ruins the formula’s credibility. For Ashwagandha to effectively lower cortisol, clinical trials typically require doses between 300mg and 600mg daily. Because Clubhouse Supplements hides their dosages, consumers cannot verify if they are receiving an effective therapeutic dose or just a microscopic “fairy dusting” used purely for label claims. Examine.com’s independent analysis of adaptogens heavily stresses that proper dosing is mandatory for physiological benefits.

STUD Stamina Booster Pros

• Stimulant-Free: Relies on adaptogens rather than jitter-inducing caffeine or yohimbine.
• High-Quality Mineral Forms: Uses highly bioavailable Magnesium Glycinate instead of cheap, laxative-inducing Magnesium Oxide.
• Logical Formulation: Targeting performance anxiety through GABA and cortisol regulation is a scientifically sound concept.
• OTC Availability: Requires no prescription or embarrassing doctor visits.

STUD Stamina Booster Cons

• Proprietary Blends: Completely hides the dosages of the most critical herbal ingredients.
• No Third-Party Testing: Lacks public certificates proving purity or exact ingredient concentrations.
• Expensive: At roughly $69 per bottle, it costs significantly more than buying Ashwagandha and Magnesium separately.
• Aggressive Marketing: Heavily promoted through biased affiliate networks rather than medical professionals.
• Strict Returns: Refund policies often exclude opened bottles.

STUD Stamina Booster Customer Reviews

Because affiliate marketers heavily push this product, verifying authentic customer feedback requires filtering out heavily biased promotional content.

On independent wellness forums, real user feedback is split. Satisfied customers report a subtle but noticeable reduction in daily anxiety and an easier time relaxing during high-stress situations. Several men note that they sleep better and feel less “on edge” due to the magnesium and L-theanine. However, negative reviews consistently complain about the price-to-value ratio. Many users report feeling zero changes in their actual physical stamina or bedroom endurance, expressing intense disappointment that the reality did not match the aggressive video marketing campaigns.

STUD Stamina Booster Reviews and Complaints

We analyzed consumer protection sites to gauge real-world complaints regarding the Clubhouse Supplements brand.

• Trustpilot: ~4.3/5 (Based on ~150 reviews, checked July 2026).
• Common Complaints: The vast majority of negative reviews highlight aggressive billing practices. Customers frequently report accidentally opting into auto-ship subscriptions at checkout, resulting in unexpected monthly credit card charges. Others complain that customer service outright denied refund requests because the protective seal on the bottle was broken.
• Source Note: The Trustpilot rating applies to the entire Clubhouse brand, not the STUD product exclusively.

STUD Stamina Booster Ratings

Platform	Rating	Number of Reviews	Date Checked	Source Note
Trustpilot	4.3/5	~150	July 2026	Rating covers all Clubhouse products.
Amazon	N/A	N/A	July 2026	Reliable public ratings could not be verified.
Better Business Bureau	N/A	N/A	July 2026	The UK-based company lacks a verified US BBB profile.

Side Effects and Safety

STUD contains natural ingredients that most healthy men tolerate well, but side effects remain a possibility.

Ashwagandha occasionally causes mild stomach upset, nausea, or diarrhea. Rhodiola Rosea acts as a mild stimulant and can cause dizziness or dry mouth. Because the product alters neurotransmitters and cortisol, it carries a moderate risk of drug interactions. L-Theanine may lower blood pressure, which could dangerously compound the effects of prescription anti-hypertensives.

The Mayo Clinic advises caution with testosterone and vitality supplements if you have underlying heart conditions. Men taking prescription antidepressants (SSRIs/SNRIs), blood pressure medication, or thyroid hormones should avoid this product completely. Always speak with a healthcare professional before combining adaptogenic botanicals with daily medications.

Dosage and How to Use

The manufacturer recommends taking the capsules daily with a glass of water. Because the formula uses adaptogens rather than immediate-release stimulants, consistency is mandatory. Clubhouse Supplements states it may take up to two weeks of daily use for the herbs to successfully build up in your system and regulate cortisol levels.

Take the capsules with a meal to reduce the risk of nausea. Never exceed the dosage instructions printed on the label. Taking extra pills will not speed up the results and dramatically increases the risk of gastrointestinal distress.

Where to Buy STUD Stamina Booster

Consumers should only purchase STUD Stamina Booster directly through the official Clubhouse Supplements website.

Avoid buying this product from eBay, unauthorized Amazon sellers, or discount supplement sites. The dietary supplement market is flooded with fakes, and unauthorized vendors frequently ship expired or counterfeit formulas. Buying directly from the manufacturer ensures you receive the authentic product and retain the ability to contact their customer support team if billing issues arise.

Pricing and Refund Policy

A single bottle of STUD Stamina Booster retails for approximately $69.00, providing a 30-day supply.

• Price Per Serving: Roughly $2.30 per day.
• Bundles: The company offers discounts if you purchase three or six bottles upfront.
• Auto-Ship Warning: Read the checkout page carefully. The brand heavily pushes subscription models that automatically bill your card every month.
• Refund Policy: Clubhouse advertises a money-back guarantee, but the fine print severely limits its usefulness. In many cases, the company refuses to refund opened or partially used bottles, effectively punishing you for actually trying the product.

Is STUD Stamina Booster a Scam? Red Flags and Trust Check

While STUD is not an illegal operation, it exhibits several red flags common in the male enhancement industry. The FDA strictly warns consumers about fraudulent dietary supplements that use exaggerated marketing to overpromise results.

Red Flags:

1. Proprietary Blends: Hiding dosages is the easiest way for supplement companies to cut costs while pretending to offer a premium product.
2. Influencer Marketing: Relying on adult film stars to sell supplements often results in exaggerated, non-medical claims that violate FTC guidelines on truthful advertising.
3. Subscription Traps: The high volume of complaints regarding hidden auto-billing practices reduces consumer trust.

STUD Stamina Booster contains real, scientifically backed ingredients like Magnesium and L-Theanine. However, the deceptive marketing practices and lack of transparent dosing make it difficult to trust the brand entirely.

Comparison With Alternatives

Feature	STUD Stamina Booster	High-Quality Ashwagandha (Single Herb)	Prescription Options
Price Per Serving	~$2.30	~$0.40	Varies by insurance
Dosage Transparency	Hidden (Proprietary Blend)	Fully Disclosed	Fully Disclosed
Evidence Quality	Weak	Strong	Strong
Refund Policy	Strict / Limited	Flexible (varies by retailer)	N/A
Third-Party Testing	Unknown	Confirmed	FDA Monitored

Is STUD Stamina Booster Worth It?

STUD Stamina Booster combines several excellent stress-reducing ingredients into one convenient capsule. If you suffer from mild, stress-induced fatigue, have a high disposable income, and want to avoid prescription medications, this supplement may provide subtle adaptogenic benefits.

However, for the vast majority of men, STUD is not worth the premium $69 price tag. The use of a proprietary blend means you have no idea if you are getting an effective dose of KSM-66 Ashwagandha or Rhodiola. You could easily purchase clinical-grade Magnesium Glycinate and Ashwagandha separately for a fraction of the cost. Until Clubhouse Supplements embraces transparent labeling and publishes independent third-party testing, we recommend avoiding this overpriced formula.

FAQs

Is STUD Stamina Booster FDA approved? No. Dietary supplements do not require FDA approval before hitting the market. The FDA only steps in post-market if the product is proven dangerous.

Does it cure premature ejaculation? No. Despite the aggressive marketing claims, no over-the-counter dietary supplement can clinically cure premature ejaculation.

What are the main ingredients? The formula primarily relies on Magnesium Glycinate, L-Theanine, Ashwagandha, Rhodiola Rosea, and Taurine.

Are there hidden auto-ship charges? Many users report accidentally subscribing to monthly shipments. You must meticulously read the checkout page to uncheck any auto-ship boxes.

Can I take STUD with my antidepressants? No. Because STUD alters neurotransmitters like GABA and serotonin precursors, mixing it with SSRIs or SNRIs can be dangerous. Consult your doctor first.

Does it contain caffeine? No. STUD is designed to calm the nervous system and does not contain traditional stimulants like caffeine.

Is the refund policy legitimate? The policy exists, but it is highly restrictive. Customers frequently complain that refunds are denied if the bottle seal is broken.

Where is the safest place to buy it? Only purchase STUD from the official Clubhouse Supplements website to avoid counterfeit products.

Conclusion

STUD Stamina Booster presents a scientifically sound concept-using adaptogens and amino acids to reduce stress, lower cortisol, and theoretically improve male physical endurance. Ingredients like Magnesium Glycinate and L-Theanine are genuinely beneficial for calming the nervous system and preventing performance anxiety.

Unfortunately, Clubhouse Supplements ruins a decent concept by hiding their formula behind a proprietary blend. Without knowing the exact dosages, consumers are essentially paying $69 for a mystery pill. Combined with predatory auto-ship billing practices and a lack of published third-party testing, the red flags outweigh the potential benefits. Men experiencing severe performance or stamina issues should save their money, consult a physician, and rely on transparent, clinically dosed interventions rather than heavily marketed internet supplements.

Disclosure: This content is for informational purposes only and does not constitute medical advice. Always consult a healthcare professional before taking new supplements.