EndoPeak Ingredients Explained: What’s Inside and What the Research Says
The EndoPeak ingredients list has eight items: Hawthorn Berry, Tribulus Terrestris, Chrysin, Epimedium, Saw Palmetto, Tongkat Ali, Winged Treebine and Magnesium. The company does not publish the milligram amount of any of them, so nobody outside the company can say exactly how much of each is in a capsule. That one fact shapes how much weight you can put on the EndoPeak formula as a whole.
In this guide we go through each ingredient: what it is, what it is claimed to do here, how strong the evidence is, and what cautions apply. Our main EndoPeak review covers the whole product, including price and guarantee; this page is the deep dive on what is inside the capsule. EndoPeak is a plant-based capsule marketed to adult men for stamina, libido and sexual performance support.
2 Bottles · 60-Day Supply
$79 / bottle
- ✓ Good for trying the formula first
- ✓ Listed savings of $200 off the per-bottle rate
- ✓ One-time payment, no subscription
Total: $158 + shipping
3 Bottles · 90-Day Supply
$69 / bottle
- ✓ Includes 2 free bonus e-books
- ✓ 60-day money-back guarantee
- ✓ Free US shipping
Total: $207, free shipping
6 Bottles · 180-Day Supply
$49 / bottle
- ✓ $30/bottle cheaper than the 2-bottle package ($49 vs. $79)
- ✓ Includes 2 free bonus e-books
- ✓ 60-day money-back guarantee, free US shipping
Total: $294, free shipping
Prices and package details shown are pulled from currently available marketing sources and can change — click any package above to see live current pricing on the official order page.
At the time we checked, and subject to change, the packages were 2 bottles (60-day supply) at $79 per bottle, or $158 plus shipping; 3 bottles (90-day supply) at $69 per bottle, or $207 with free US shipping and two bonus e-books; and 6 bottles (180-day supply) at $49 per bottle, or $294 with free US shipping and the same e-books. A 60-day guarantee is advertised on the larger packages. Confirm current details on the official page.
What is actually in EndoPeak, and are the doses disclosed?
According to the official order page as summarized in our review, EndoPeak contains the eight ingredients above, and the order page lists them without per-serving amounts. That is the single biggest transparency gap we found. In supplement labeling, a product that discloses each amount lets you compare it against the research; a product that lists names only does not. In the US, many multi-ingredient formulas are sold as “proprietary blends” that list a total weight and names without individual amounts, and the lack of per-ingredient numbers here is similar in effect, even if we cannot see the actual label format used on the bottle.
Here is the summary, using the evidence levels from our main review.
| Ingredient | Role in the formula | Dose disclosed? | Evidence level |
|---|---|---|---|
| Hawthorn Berry | Circulation | No | Moderate for circulation; limited for sexual performance |
| Tribulus Terrestris | Libido and vitality | No | Mixed or preliminary |
| Chrysin | Aromatase-inhibitor theory | No | Limited, mostly test-tube |
| Epimedium | Circulation, PDE5-related activity | No | Preliminary, lab-stage |
| Saw Palmetto | Hormone and prostate positioning | No | Moderate for urinary or prostate use; limited for this purpose |
| Tongkat Ali | Hormonal support | No | Moderate, the best-evidenced here |
| Winged Treebine | Vitality and stamina | No | Limited, research is on other uses |
| Magnesium | Vitality, general support | No | Moderate when a deficiency exists |
One more note on reading the table: “moderate” does not mean “proven.” It means there are human studies of reasonable relevance, usually small. No ingredient on this list has strong, large-scale evidence for improving sexual performance specifically, and no trial has been published on the finished EndoPeak formula.
What is Tongkat Ali, and what does the research say?
Tongkat Ali (Eurycoma longifolia) is a root extract from a Southeast Asian shrub, traditionally used as a general tonic. It is the headline ingredient in many men’s vitality products, and in EndoPeak it is the one with the strongest research case.
Evidence. A review in the International Journal of Preventive Medicine (2014) examined its phytoandrogenic properties, meaning plant compounds that may support testosterone status. A separate 2013 pilot study in older, physically active adults reported favorable changes in hormone and physical-performance markers. Several smaller trials have connected it with higher testosterone and lower cortisol, particularly in men who began with low testosterone.
How to weigh it. The studies are small to moderate in size. They use particular extracts, often standardized to certain compounds, at set daily amounts. Because EndoPeak does not state the amount or extract type, you cannot tell whether it resembles the studied preparations. Also, improvement in a hormone lab value is not the same as improvement in libido or erections; the studies measured the former more than the latter.
Cautions. Our review lists Tongkat Ali among the ingredients generally well tolerated at typical doses. Because it may influence hormones, anyone with a hormone-sensitive condition should speak with a doctor, and a man with a diagnosed testosterone problem needs medical testing, not a self-treatment guess.
What does Magnesium do in the EndoPeak formula?
Magnesium is an essential mineral involved in hundreds of enzyme reactions, including muscle contraction, nerve signaling and energy production. It is listed for vitality and general support.
Evidence. Correcting a real magnesium deficiency is linked to better sleep, muscle function and nerve signaling. Some observational studies associate magnesium status with free testosterone levels, but controlled trials in men who are not deficient have not shown that supplementing raises testosterone or improves sexual performance on its own. Evidence is therefore moderate where a deficiency exists and weak where it does not.
Context. Official US intake recommendations for adult men are in the range of roughly 400 to 420 mg of magnesium per day from all sources, and the tolerable upper limit for supplemental magnesium is 350 mg per day. A capsule containing eight ingredients is unlikely to supply a large share of that, but we cannot be sure because the amount is not published.
Cautions. Our review notes that high doses can cause digestive upset. Magnesium can be an issue for people with kidney disease and can interact with certain antibiotics and other medications, so mention it to a pharmacist if you take regular prescriptions.
What are Hawthorn Berry and Epimedium doing in a men’s formula?
These two are the circulation ingredients, and they come with the most important safety notes in the formula.
Hawthorn Berry
Hawthorn has a long history in traditional European medicine and a real modern research base, mostly around cardiovascular function. Several clinical trials have looked at it in mild heart-function support and circulation. That legitimizes a general “supports circulation” claim. What is missing is a trial linking Hawthorn to erectile function or sexual performance outcomes. Its role here rests on a plausible idea: better circulation supports better blood flow, including to the pelvic region. Plausible is not proven.
Interactions. Hawthorn can affect the heart and blood pressure, and our review notes documented interactions with heart medications, including digoxin and certain blood-pressure drugs. If you take medication for your heart or blood pressure, review this ingredient with a doctor or pharmacist first.
Epimedium (horny goat weed)
Epimedium is a traditional Chinese herb whose key active compound is icariin. A laboratory study on icariin-related compounds in the Journal of Natural Products (2008) found that they can inhibit PDE5, the enzyme targeted by prescription ED drugs. That is an interesting mechanism, but the study was done in the lab. It does not tell us whether the unknown amount of icariin in a capsule reaches a level that matters in a human body.
Interactions. This is the most important caution in the entire formula. PDE5-active compounds carry a well-documented and potentially dangerous interaction with nitrate medications such as nitroglycerin, producing a severe drop in blood pressure. Our review says EndoPeak is not a fit for anyone taking nitrates or alpha-blockers, and anyone on any nitric-oxide-donor drug should not combine it without a doctor’s explicit guidance. Do not use EndoPeak together with prescription ED medication unless a clinician has said it is appropriate. For a sense of why those prescription drugs require care, see our pages on tadalafil side effects and vardenafil side effects.
Do Tribulus, Chrysin and Saw Palmetto support testosterone?
These three are included for hormonal or libido positioning. They are also where the marketing and the research diverge most.
Tribulus Terrestris
Tribulus is one of the most common libido ingredients in the world. Some small trials report modest improvements in sexual desire or satisfaction. Most higher-quality studies have not found a reliable rise in testosterone. The fair summary is that it may help some men’s subjective sense of libido, but it is not a dependable testosterone booster. It is generally well tolerated at typical doses.
Chrysin
Chrysin is a flavonoid found in passionflower and honey, marketed as an aromatase inhibitor, an agent that would reduce testosterone’s conversion into estrogen. In test tubes it shows that activity. The problem is absorption: chrysin is very poorly absorbed from the gut and quickly processed, so there is little solid clinical evidence that oral chrysin changes hormone levels in people. This is one of the weaker links in the formula. Because it has a hormonal activity profile on paper, men with hormone-sensitive conditions should check with a doctor.
Saw Palmetto
Saw Palmetto is a palm berry extract. Its best-known use is for urinary symptoms of benign prostate enlargement in older men, where its proposed mechanism involves partly inhibiting 5-alpha-reductase, the enzyme that converts testosterone into DHT. Larger trials in that area have been mixed. Either way, that is a different mechanism from boosting testosterone, which is how it is often described in men’s performance formulas. It is a legitimate, studied ingredient, just not clearly for the purpose it serves here. Because it acts on the prostate-hormone pathway, men with prostate concerns should speak with a doctor, and it is worth knowing that prostate health is monitored by clinicians; our guide to PSA levels by age explains one of the common tests.
Why is Winged Treebine in a men’s performance formula?
Winged Treebine, also known as Cissus quadrangularis, is a succulent vine used in traditional medicine in South Asia and Africa. The modern research on it centers on bone density, joint and connective-tissue health, and some preliminary work on metabolic markers and weight. There is little direct research connecting it to sexual performance or libido.
Its place in this product seems to rest on a general “vitality and stamina” framing rather than on a mechanism studied for that purpose. That does not mean it is harmful; our review lists it as generally well tolerated at typical doses. It does mean that when you see it on the list, you should treat it as filler for the marketing story rather than evidence for the performance claim.
How should you judge a formula when the doses are hidden?
When a company lists ingredient names but no amounts, you are left to judge the product on indirect signals. Here are the questions we would ask, and how EndoPeak measures up on each, based on our main review.
- Is the maker identifiable? Yes. EndoPeak names its creator, Ethan Cox, which is more than some anonymous brands offer.
- Is a manufacturing standard stated? Yes. The company says the capsules are made in a U.S., FDA-registered, GMP-certified facility. Good manufacturing practice is meant to ensure that what is on the label is what goes in the bottle, but we cannot independently confirm that, and we have no third-party test results to show you.
- Are there independent lab results? None that we saw published. Third-party testing, where it exists, usually reports identity and purity, and its absence is a gap rather than a red flag by itself.
- Is the science cited about the product or about the category? The references at the bottom of the order page are mostly general studies on erectile dysfunction, vascular health and nutrient deficiencies, not on the finished formula.
- Does the marketing match the ingredients? Partly. The circulation, hormone and stamina story is plausible, but several ingredients are included for reasons the research does not support well.
The practical lesson is that an eight-ingredient list can look impressive without telling you whether any single ingredient is present in a meaningful amount. A short formula built around two or three well-studied, clearly dosed ingredients would be easier to evaluate than a long one with hidden amounts. That is not a criticism unique to EndoPeak; it is a feature of the whole category, and it is a good reason to keep expectations measured.
How do the EndoPeak ingredients compare with buying them separately?
It is natural to wonder whether you could assemble the same thing yourself, especially if the doses are not published. Here is a fair comparison.
| Factor | EndoPeak capsule | Buying separately |
|---|---|---|
| Control over dose | None; amounts not published | Full; you pick labeled doses |
| Ability to drop an ingredient | No; you take all eight | Yes; you can skip the ones with weak evidence or interaction concerns |
| Convenience | Reportedly one capsule daily per testimonials | Several bottles and routines |
| Matching studied preparations | Cannot verify | Possible if labels name the extract and amount |
| Refund | 60-day guarantee advertised on larger packages | Depends on each retailer |
| Interaction safety | Epimedium is bundled in | You can leave out the ingredient that raises a concern |
We will not give a cost comparison, because without EndoPeak’s doses we cannot build a like-for-like shopping list, and supplement prices vary widely. The practical takeaway is this. If you primarily care about the two best-supported ingredients, Tongkat Ali and Magnesium, you can find them as standalone products with stated amounts, and you can discuss them with a pharmacist. If you prefer a single-capsule routine and accept not knowing the amounts, the formula offers convenience. Either way, “more ingredients” is not the same as “more effective.” For more on the efficacy question, see does EndoPeak really work.
What should you ask a doctor or pharmacist about these ingredients?
Because this is a men’s health product used by many adults 50 and over, who are likelier to be on regular medicines, it is worth bringing a short list to a clinician.
- “I take a nitrate, an alpha-blocker, or a blood-pressure or heart medicine. Is anything containing Epimedium or Hawthorn Berry safe for me?”
- “Could my low energy or changes in sexual function be related to my heart, blood sugar, hormones or a medication?”
- “Should I have my testosterone or other blood tests checked before trying a hormone-related supplement?”
- “I have prostate concerns. Does Saw Palmetto affect my care or my PSA monitoring?”
- “Does Magnesium interact with anything I take, and am I getting enough from food?”
Take the product’s ingredient list with you, since the doses are unknown. Do not stop any prescription because of a supplement. For background on the medical side, see our overview of erectile dysfunction causes.
Frequently Asked Questions
What are the EndoPeak ingredients?
Hawthorn Berry, Tribulus Terrestris, Chrysin, Epimedium, Saw Palmetto, Tongkat Ali, Winged Treebine and Magnesium. All are plant-derived except Magnesium, which is a mineral.
Does EndoPeak list the dose of each ingredient?
No. The official order page we reviewed does not publish milligram amounts for any of the eight ingredients, so you cannot compare them with the research.
Which EndoPeak ingredient has the best evidence?
Tongkat Ali, based on small-to-moderate human studies on hormone and physical-performance markers, followed by Magnesium where a deficiency exists. Neither has been tested in the finished product.
Is any EndoPeak ingredient risky with medications?
Epimedium has PDE5-related activity and may interact dangerously with nitrates, and Hawthorn Berry can interact with heart and blood-pressure drugs. Talk to a doctor or pharmacist before using it if you take such medicines.
Does EndoPeak contain stimulants?
The company describes it as a non-stimulant, non-GMO, plant-based formula and says it is non-habit-forming. We have not tested the product, so check the label that comes with it.
Why is Saw Palmetto in a performance supplement?
It is positioned around hormones, but its best research is for prostate and urinary symptoms and works through a different pathway from testosterone boosting.
Is the EndoPeak formula FDA approved?
No dietary supplement is FDA approved as a drug is. The company states it is made in an FDA-registered, GMP-certified US facility, which is a statement about the factory.
Is there a clinical trial on the EndoPeak formula?
No. Studies exist on some individual ingredients, but not on the finished product at its undisclosed doses.
Our Take
EndoPeak’s ingredient list is a mix of the familiar and the questionable. Tongkat Ali and Magnesium give it a reasonable core. Hawthorn Berry, Tribulus and Epimedium have plausible but unproven connections to the claims. Chrysin, Saw Palmetto and Winged Treebine are the weakest links because their research does not match their role here. The missing dose information is the key limitation, since it prevents anyone from checking whether the capsule resembles what has been studied.
That does not make the formula dangerous or dishonest in itself, but it does mean the right attitude is cautious curiosity. Check your medications, especially nitrates and heart or blood-pressure drugs, speak with your doctor about any persistent symptoms, and if you try it, treat the guarantee window as a limited experiment.
Related reading: our full EndoPeak review, what customers say about EndoPeak, whether EndoPeak is a scam, plus price and refund details, and, for another men’s-health formula, the TitanFlow review.
Affiliate disclosure: we may earn a commission if you buy through our links, at no extra cost to you, and it does not change our assessment. This article is educational and is not medical advice.