Review · Urinary health

Prosta Peak review: what we could check without a label

Prosta Peak is a prostate support capsule sold through ClickBank. Its website names six herbs and a "proprietary blend of 20+ plants and nutrients", but no amounts. We looked at what the research says about those six herbs, what we could not verify, and what the refund policy actually asks of you.

By Grant Whitaker, Editor · Updated October 23, 2026 · 12 studies checked on PubMed

What Prosta Peak is

Prosta Peak is a capsule dietary supplement marketed to men who want to support prostate health and urinary comfort. ClickBank is the retailer, and the website does not name the company behind the formula. The bottle shown on the site holds 60 capsules and is sold as a 30-day supply. The site does not say how many capsules make a daily serving. It is sold in 2, 3 and 6-bottle packages as a one-time payment, with no autoship.

The sales page describes the product as "a unique blend of 20+ ingredients and nutrients backed by clinical research" and calls it the only product in the world with that blend. The six ingredients it names and pictures are pygeum, saw palmetto, green tea, cat's claw, soursop and raspberry.

The label problem

Most reviews on this site start by reading the Supplement Facts panel. We could not do that here. We searched the sales page, the video page, the support, terms and shipping pages, and the affiliate area. None shows a Supplement Facts image or lists amounts. The product images show only the front of the bottle, which reads "Support healthy prostate size and function", "Dietary supplement" and "60 capsules" on a blue and white label.

The page also describes the formula in two ways. One heading says "Proprietary Blend of 20+ Plants and Nutrients". A second section, lower down, says "Proprietary Blend of 4 Plants and Minerals" and lists four of the herbs. Only six ingredients are ever named. We cannot tell which description is right, what the other fourteen or more ingredients are, or how much of anything is in a capsule. That is why two of our four scores sit at the bottom of the scale.

A familiar lineup

The six named herbs are not unique to Prosta Peak. Pygeum, saw palmetto, red raspberry, soursop (also called graviola), green tea and cat's claw appear together, along with about two dozen other items, on the published labels of Vital Flow and ProstaStream, which we reviewed earlier. Those two labels are close to identical to each other. The overlap makes the "only product in the world" line hard to accept, but because Prosta Peak hides its label, we cannot confirm that it uses the same recipe or amounts. Those two reviews show what a full label in this family looks like.

Pygeum also anchors TitanFlow, which lists 100 mg on its label, so it can be compared with the trials directly.

The six named herbs next to the research

Because no amounts are published, the table below compares what the trials used with what Prosta Peak tells you, which is nothing beyond the names.

Pygeum: the one ingredient with a real case

Pygeum is a bark extract from an African cherry tree. A Cochrane review pooled 18 randomized trials with 1,562 men with an enlarged prostate. Men taking pygeum were about twice as likely as men on placebo to report overall improvement. Nighttime urination fell by 19% and peak urine flow rose by 23% on average, and side effects were mild and similar to placebo ^[1]. The reviewers added that the trials were small, lasted 64 days on average and used a range of doses and preparations, and that their conclusion applies to a standardized extract.

In one of the larger trials, 263 men took 50 mg of extract twice a day for 60 days. Urination improved in 66% of the pygeum group and 31% of the placebo group, and five men had stomach side effects ^[2]. Whether Prosta Peak contains anything close to 100 mg of a comparable extract is something only the seller knows.

Saw palmetto: the best known, and the weakest result

Saw palmetto is the most common herb in prostate formulas, and the large trials have not been kind to it. In a one-year trial of 225 men over 49 with moderate to severe symptoms, 160 mg twice a day did no better than placebo on symptom scores, urine flow or prostate size ^[3]. In a later trial of 369 men, raising the dose to three times the standard amount over 72 weeks still did not beat placebo ^[4]. The 2023 Cochrane update, covering 27 studies and 4,656 men, concluded that saw palmetto alone provides little to no benefit for these symptoms, with more uncertainty about combinations with other herbs ^[5].

Green tea, cat's claw and raspberry: no urinary trials

We found no randomized trial of green tea, cat's claw or raspberry on urinary symptoms in men. Cat's claw has one small human trial in a different area: 45 adults with knee osteoarthritis took a freeze-dried preparation or placebo for four weeks, and pain with activity improved, with no blood or liver changes reported ^[6]. That says nothing about urinary comfort. The sales page credits these herbs with heart, weight, bone and immune benefits, which are not why a man buys a prostate supplement.

Soursop: the ingredient we would ask about first

Soursop (Annona muricata) is a tropical fruit tree. We found no human trial of soursop on urinary symptoms. We did find a long-standing safety question. On the Caribbean island of Guadeloupe, researchers linked regular consumption of soursop fruit and leaf teas to an unusually high rate of atypical parkinsonism, and identified annonacin, a compound found in the fruit and leaves, as a probable factor in lab and animal work ^[8]. A separate analysis estimated that one fruit holds about 15 mg of annonacin and a cup of leaf tea about 140 micrograms ^[9].

This research is observational and animal-based, and a small amount in a capsule may not matter. Judging that needs the amount and the plant part, and Prosta Peak gives neither.

What the marketing says and what we could verify

• "Backed by clinical research." The page lists 16 references. They are reviews and population studies about the prostate in general, such as how the terms are defined and how hormones, metabolic health and certain medicines relate to prostate changes. None tests Prosta Peak or any of its six named herbs.
• "The only product in the world" with this blend. The same six herbs appear together on at least two other published labels, as described above. We could not verify the claim.
• Herb benefit bullets. The page says pygeum "may help reduce fever-related symptoms" and soursop "can boost immunity". We found no trials in men that support these lines for the ingredients as used here.
• Careless copy. The video page we reached through the site talks about lowering blood sugar and about "brain health" in its guarantee box, and two bonus guides with brain-themed titles are described as bedroom guides. It looks like a template reused from other products, which says nothing about the bottle but does not build confidence.
• Affiliate email swipes. The vendor's affiliate area supplies emails promising large, fast changes in prostate size. We found no published study of Prosta Peak, and we do not repeat or rely on those claims.

Price, packages and refund policy

Each bottle is sold as a 30-day supply. Prices on the website when we checked:

• 6 bottles: $49 each ($294 total), free US shipping, two digital guides and a newsletter. About $1.63 a day.
• 3 bottles: $69 each ($207 total), free US shipping, same bonuses.
• 2 bottles: $79 each ($158 total), plus shipping shown at checkout.

There is no single-bottle option, so the smallest order is $158 plus shipping. The site says orders outside the US pay extra shipping that is not refunded.

The refund terms need a careful read. The sales page FAQ says you can "return what you haven't used" for a full refund within 90 days. The shipping and returns page is stricter: to get a refund you must send back all bottles, empty, full or partly used, including any bonus bottles, with a written note, and the package must arrive at the fulfillment center within 90 days of your order. You pay return shipping. If you test Prosta Peak, keep every bottle and plan the return before day 90.

Safety

Pygeum and saw palmetto had side effects similar to placebo in the trials above, with occasional stomach upset reported for pygeum ^{[1] [2] [5]}. The other named herbs deserve more care, and the missing label makes that harder:

• Green tea. In a 12-month randomized trial of a high-dose green tea extract in 1,021 women, liver enzymes rose more than with placebo, and 5.1% of the extract group developed moderate or worse liver test changes ^[10]. A United States Pharmacopeia review advises taking green tea extracts with food and stopping if signs of liver trouble appear ^[11]. Green tea also cut blood levels of the blood pressure medicine nadolol by about 85% in a small study of healthy volunteers ^[12]. We do not know whether Prosta Peak uses a leaf powder or a concentrated extract.
• Cat's claw. A 2008 case report described an interaction between cat's claw and three HIV protease inhibitors ^[7]. Anyone on antiviral or other liver-metabolized medicines should ask a pharmacist first.
• Soursop. See the annonacin research above ^{[8] [9]}. Men with Parkinson's disease or other movement problems should talk to their doctor before taking any soursop product.

Talk to your doctor before starting Prosta Peak, especially if you take any prescription medicine, and bring the bottle so they can see what little the label says. Stop and get medical advice if you notice dark urine, yellowing skin or eyes, or abdominal pain. Urinary symptoms that are new, getting worse, or come with pain, blood or fever need medical care rather than a supplement.

What we liked and what gave us pause

Frequently asked questions

What are the exact ingredients and doses in Prosta Peak?

The website does not say. It names six herbs and refers to a blend of more than twenty ingredients. Ask the seller for a picture of the Supplement Facts panel before buying.

Is Prosta Peak the same as Vital Flow or ProstaStream?

The six herbs Prosta Peak names all appear on those two labels. Without Prosta Peak's own label we cannot say whether the formulas match.

How long before I notice anything?

Results vary from person to person. The pygeum trials lasted about two months on average, so judging any supplement in this category after a week or two is too early.

Can Prosta Peak replace medication from my doctor?

No. It is a dietary supplement. Do not stop or change a prescription without talking to your doctor.

Where can I buy it?

Only through the Prosta Peak website, with ClickBank processing the order. The vendor does not allow sales on Amazon, eBay or similar sites, so listings there may not be covered by the refund policy.

How we reviewed Prosta Peak

We read the Prosta Peak sales page, video page, support, terms, shipping and returns pages, and the vendor's affiliate terms. We looked for a Supplement Facts label and did not find one. We compared the named herbs with the published labels of similar products on this site, searched PubMed for human trials of each named herb on urinary symptoms in men, and searched for safety and interaction research on the same herbs. We did not test the product on people, and nobody at Stark Verve is a medical professional. Read our editorial policy to learn how we choose and update reviews. Stark Verve earns a commission if you buy through our links; that never changes what we write about the evidence.