U.S. stocking partner for Prostacyl60 capsules · two a dayNine ingredients · nine printed amountsNo proprietary blendRefund window printed two ways

Benefits

Prostacyl benefits: the three claims, one at a time

Last updated October 12, 2026Who wrote and checked this page

Three claims are printed as icons across the front of this label, and this page takes them one at a time: what each says, what the rule permits a supplement to say, and whether the wording stays inside it. Two of the three are ordinary structure/function statements, carefully worded, and that is worth saying before anything else. The third needs a longer look, and it gets one.

Two of the three claims on the Prostacyl label front are ordinary structure/function statements, worded with promotes and supports: Promotes Healthy Urinary Flow and Supports Energy & Male Vitality. The third, Supports Healthy Prostate Size, sits closer to the line between supporting normal structure and treating a disease. The label prints the FDA disclaimer in full and in capitals, which is correct.

Form
Capsules, 60 a bottle
Serving
2 capsules daily with 6–8 oz water
Supply
30 days a bottle
Panel rows
9, every one with an amount
Proprietary blend
None — nothing is hidden behind a total
Capsule
Gelatin, so not vegetarian
Guarantee
60 days or 90 — the page prints both
Lowest price
$49 a bottle on the six-pack

The three claims, as the label prints them

One document is behind this page. The label wrap supplied with this product carries the suggested use and the caution block on its left-hand third, the front panel in the middle, and the full nine-row Supplement Facts panel on the right. The three claims are on the front panel, beneath the four lines of the product name.

The full Prostacyl label wrap: suggested use and caution on the left, the front panel reading PRECISION PROSTATE SUPPORT BLEND in the middle, and the complete nine-row Supplement Facts panel on the right
The full Prostacyl label wrap as supplied. The three claims this page is about sit on the middle third, under the words PRECISION PROSTATE SUPPORT BLEND. The right-hand third carries the panel, which is what makes the claims checkable at all.
The three claims printed on the Prostacyl label front, and the same two tests applied to each.
AreaAs printed on the labelNames a condition?States a measurable outcome?
Prostate size“Supports Healthy Prostate Size”NoNo
Urinary flow“Promotes Healthy Urinary Flow”NoNo
Energy and vitality“Supports Energy & Male Vitality”NoNo

Four columns, and the last two read the same down all three rows. That uniformity cuts both ways. The claims are disciplined, which is a credit to whoever drafted them, and they are also empty of anything a buyer could act on. The front of this bottle also prints 60 CAPSULES and DIETARY SUPPLEMENT, neither of which is a claim about the body.

What a structure/function claim may say

Before the three claims can be judged, the standard they are being judged against is worth setting out, because it is narrower than most readers expect and it is not a standard about evidence.

A structure/function claim describes the role an ingredient or a nutrient plays in the normal working of the body. Supports bone health. Promotes normal digestion. A supplement may print a claim of that shape without asking anyone first, provided the label also carries the disclaimer saying the statement has not been evaluated by FDA and the product is not intended to diagnose, treat, cure or prevent any disease. A claim that a product treats, prevents or mitigates a named condition is a different kind of claim altogether. Only an approved drug may make one.

The line between a permitted claim and a disease claim, and what each kind needs behind it.
What the claim doesThe shape it takesWhat it needs
Describes a role in normal functionSupports, promotes, helps maintain, followed by a function or an area of healthThe FDA disclaimer on the label. No approval and no trial.
Describes normal structureSupports healthy followed by an organ or a measurement of itThe same disclaimer — and more care, because the gap between normal structure and a disease state can be one adjective wide.
States a measurable outcomeA percentage, a timescale, a number of users, a measured resultSubstantiation the seller can produce on request. None is cited here, for anything.
Names a disease or a diagnosisTreats, reduces, prevents, or the name of a conditionDrug approval. A supplement may not make this claim at all.

What the standard is not

A structure/function claim does not have to be supported by a clinical trial, and it does not have to be supported by an amount. That is how the law is written rather than a lapse by this merchant, and it is the single most useful thing a reader can understand about supplement marketing. Careful claim wording is evidence of careful drafting. It is not evidence about the product. The two get confused constantly. The difference with this product is that there is somewhere else to look: the panel is printed in full, with nine amounts on nine rows, which is more than most labels in this category offer.

Prostacyl — 60 capsules, two a dayNine ingredients, each with a printed amount and no proprietary blend — the most transparent panel in this series. 60 or 90 days — the page prints both. From $49 a bottle on the six-pack.

The three claims, one at a time

Each claim as the label prints it, then what it does and does not commit to. The same two questions are asked three times: does this sentence name a condition, and does it state anything a buyer could measure?

Prostate size

“Supports Healthy Prostate Size”

This is the claim that needs the most care, and it gets a section of its own further down this page. In short: a dietary supplement may say it supports the normal structure or function of the body, and it may not say it treats, prevents or mitigates a disease. An enlarged prostate is a disease state with a name. The claim as printed does not use a medical verb and does not name a condition — it says supports healthy size, which on its face describes normal structure. Where a sentence like that lands depends on the setting it is sold in, and the setting is what the section below sets out.

Urinary flow

“Promotes Healthy Urinary Flow”

An ordinary structure/function statement, and a carefully drafted one. The verb is promotes, the object is healthy urinary flow, and the adjective is doing real work: flow in a healthy person is a function of the body, while obstructed flow is a symptom somebody would see a clinician about. No condition is named. No figure is attached. Nothing in the sentence could be measured by a buyer, which is what makes it permitted and also what makes it thin. The useful question is not whether the claim is allowed. It is which of the nine printed rows is supposed to carry it, and that is a question the panel lets you ask.

Energy and vitality

“Supports Energy & Male Vitality”

The broadest of the three and the least falsifiable. Supports Energy & Male Vitality covers two things, one of which has no definition at all. Supports is the weakest verb in the permitted set and it is used correctly. A claim written this wide cannot be wrong, which is the same property that makes it impossible to check, and it is the claim on this label a reader should spend the least time on. Nothing in it can be true or false in a way that would change a purchase.

Read the three together and the pattern is plain. Two describe functions and attach a supporting verb to them. One describes an organ’s size, which is a different kind of noun, and that is why it gets its own section. What each of the nine rows is supposed to be doing is set out separately.

The prostate-size claim, read in its setting

Of the three claims, this is the one worth slowing down for, and the first thing to say about it is what it does not do. It does not use a medical verb. It does not say reduces, shrinks, treats or prevents. It says supports healthy prostate size, and on its face that is a statement about normal structure in a healthy person, which is exactly what a supplement is permitted to say.

“Supports Healthy Prostate Size”

Printed as an icon on the front panel of the Prostacyl label

Here is where the care is needed. The thing a reader is most likely to have in mind when they read that phrase is an enlarged prostate, and an enlarged prostate is a disease state with a name. A claim to treat, prevent or mitigate it would be a drug claim, and no dietary supplement may make one. So the question is not whether these four words are a drug claim as written — they are not — but how they read in the place they are read.

Two pieces of context belong in the same paragraph as each other, because they pull in opposite directions. The first is that the sales page for this product is reached at a URL ending /flow-warning/. Nobody arrives at a page with that path looking for help with a healthy prostate. The second is that the label itself carries the required FDA disclaimer in full and in capitals, which is correct, is not universal, and is to the merchant’s credit:

“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.”

Printed on the Prostacyl label in full and in capitals

This is a judgement FDA makes case by case, and not one a reader can settle from a label

It matters what kind of statement this section is making. This desk is not saying the claim is unlawful, and it is not saying it is fine. Whether a particular phrase crosses from structure/function into a disease claim depends on the whole context a product is sold in — the wording, the imagery, the name, the surrounding copy, the route a buyer takes to reach it — and that assessment belongs to the agency, which makes it case by case. What a reader can do is hold the pieces together: four words about an organ’s size, a correctly printed disclaimer, and a sales path named after a warning. This is finding eighteen, and it is printed in full with the rest.

18‘Supports healthy prostate size’, on a page reached through a flow warning
Of the three claims on the label front, two are ordinary structure/function statements: Promotes Healthy Urinary Flow and Supports Energy & Male Vitality. The third, Supports Healthy Prostate Size, sits closer to the line. A dietary supplement may claim to support the normal structure or function of the body; it may not claim to treat, prevent or mitigate a disease, and an enlarged prostate is a disease state with a name. Context matters to how a claim reads, and the sales page for this product is reached at a URL ending /flow-warning/. The label itself carries the required FDA disclaimer in full and in capitals, which is correct and is to the merchant’s credit. This finding is about one phrase read in the setting it is sold in, and it is the kind of judgement FDA makes case by case rather than one a reader can settle from a label alone.

All 18 findings, numbered

One practical consequence follows, and it is the reason this page exists rather than a regulatory one. A buyer who reads supports healthy prostate size and takes it as an answer to a symptom has substituted a label for an examination. The label itself says otherwise, in its own caution block: anyone with a known medical condition should consult a physician first. That is the one line on this label that should stop a purchase, and it is set out here.

What this label gets right

A page that only attacks is less useful than one that keeps score, so this section is the credit column and it is not a formality. On the claims this label does more things properly than any other product this desk has read in the series.

What the Prostacyl label does correctly where its claims are concerned, and what is still missing.
DetailWhat we were actually given
Claim wordingAll three claims use supports or promotes. Not one uses a medical verb and not one names a condition.
The disclaimerPrinted in full and in capitals, on the label itself rather than on a sales page. This is the sentence the whole category turns on and it is often trimmed.
A caution blockComplete and correctly drafted: a dose limit and the four groups who should ask a physician first. Printed on the label, not left to the marketing.
Storage linesKEEP OUT OF THE REACH OF CHILDREN. DO NOT USE IF SAFETY SEAL IS DAMAGED OR MISSING. STORE IN A COOL, DRY PLACE.
A panel behind the claimsNine ingredients, nine printed amounts, no proprietary blend, species and plant parts named, two rows standardised. This is what lets a reader test a claim at all.
A qualified country-of-origin markMADE IN THE USA, USING FOREIGN AND U.S. INGREDIENTS is a properly qualified claim in the form the FTC standard asks for.
A named distributorNutrova, Tallmadge, OH 44278, USA, printed on the label with an email address.
What is still missingA doctor’s name for the Doctor Formulated badge, and any explanation of the Vegetarian badge over a gelatin capsule. Neither is on the label; both are in the marketing set.

Set that list beside the three claims and the shape of this product comes into view. The claims are modest, the disclaimer is correct, the caution block is complete, and the panel is the most transparent in the series. The findings on this site are therefore not about concealment. They are about what the printed figures turn out to say once the multiplications are done, and about a set of badges the label itself contradicts.

What a claim has to rest on

Every claim about a capsule, however carefully worded, has to be carried by something inside the capsule. On most products this desk reads, that sentence is where the enquiry stops, because no amount is published for anything. Here it is where the enquiry starts.

The panel prints a figure for all nine rows: vitamin E 25 mg, vitamin B6 13.8 mg, saw palmetto 300 mg, pygeum 200 mg, grape seed 100 mg, pumpkin seed 100 mg, nettle leaf 50 mg, boron 10 mg and lycopene 5% at 10 mg. Nothing is hidden behind a blend total. So promotes healthy urinary flow can be set against the rows that would have to carry it, and that is the test the rest of this site performs.

Four of the nine change meaning once the arithmetic is done. Pygeum at 200 mg standardised to 3% delivers 200 × 0.03 = 6.0 mg of phytosterols, against 13.0 mg from the 100 mg of 13%-standardised extract the trials use. Lycopene 5% at 10 mg is 10 × 0.05 = 0.5 mg of lycopene, against 15 mg in the published trial. The nettle is the leaf, where the prostate literature is on the root at 360 mg a day. And the saw palmetto row prints 300 mg with no standardisation at all, below the lowest arm of a trial that escalated to 960 mg across 369 men over 72 weeks and found no difference from placebo.

None of that makes any of the three claims false. A claim written without a figure cannot be contradicted by a figure. What it does is answer the question a reader actually has, which is whether the amounts in this capsule resemble the amounts the published work used. On four rows they do not. Each row, with its sum, is set out one at a time.

02The vitamin E percentage is roughly double what the form delivers
The panel declares Vitamin E (as dl-alpha tocopheryl acetate) 25 mg, 167% DV. The arithmetic behind 167% is 25 divided by the 15 mg Daily Value, which is 166.7%. That treats the synthetic form as if it were worth the same per milligram as the natural one, and it is not. The prefix dl- marks it as all rac-alpha-tocopherol, a mixture of all eight stereoisomers of which the body retains four. NIH’s Office of Dietary Supplements states the conversion directly: 1 mg of alpha-tocopherol equals 1 mg of natural RRR-alpha-tocopherol or 2 mg of synthetic all rac, so 30 mg of the synthetic form would be needed for 100% DV. On that conversion 25 mg of this form supplies about 12.5 mg of alpha-tocopherol, which is about 83% of the Daily Value — close to half of the 167% printed. A second, smaller reduction follows if the 25 mg is the weight of the acetate ester rather than tocopherol equivalents: the ester is heavier than the free alcohol (472.74 against 430.71 g/mol), which would put the figure nearer 11.4 mg, about 76%. This desk publishes 83% as the headline because it rests on the conversion ODS states in so many words. Either way the printed figure overstates what the serving delivers, and nothing about this is unsafe: 25 mg is a long way below the 1,000 mg upper limit. It is an accuracy finding, not a safety one.

All 18 findings, numbered

What this page can and cannot state

Both columns, printed together. A benefits page with only the left column is an advertisement, and one with only the right column is an argument.

What this page can state

  • All three claims as the label front prints them, word for word.
  • That all three are worded with supports or promotes, and that none of the three uses treats, cures, prevents or reduces.
  • That the label carries the FDA disclaimer in full and in capitals, which is correct practice and is not universal.
  • That the same label carries a complete caution block and correct storage lines, so the claims are not the only text on it addressed to the buyer.
  • That the panel behind the claims prints nine ingredients and nine amounts with no proprietary blend, so each claim can at least be set beside a figure.
  • That four of those nine rows deliver substantially less of the measured constituent than the published work used, with every sum shown.
  • That the sales page for this product is reached at a URL ending /flow-warning/.
  • That a structure/function claim needs no clinical trial behind it, which is a feature of the law rather than an oversight by this merchant.

What this page cannot state

  • That any of the three claims is true. None of them states anything a buyer could measure, so none can be tested.
  • That any of the three is false, for the same reason.
  • Which of the nine rows any claim rests on. Nothing on the label ties a claim to an ingredient.
  • Whether FDA would regard Supports Healthy Prostate Size as inside the line or over it. That is a judgement the agency makes case by case, on the whole context a product is sold in.
  • Whether this formula has ever been compared with anything. No trial of the finished product appears in any material supplied.
  • What male vitality means, because the phrase has no definition for a dietary supplement and none is offered in the merchant’s material.

The fourth item on the right is the one most easily misread, so it is worth repeating in a sentence of its own. Nothing on this page is a finding that the prostate-size claim breaks a rule. It is a finding that the phrase sits near a boundary, that the setting it is sold in is part of how such a phrase is read, and that the merchant printed the disclaimer that qualifies it.

Questions people actually ask

Eight questions about the claims, phrased the way people type them. Each answer carries the figure or the document it rests on. Type to filter.

what does prostacyl claim to do

Three things, printed as icons across the label front: Supports Healthy Prostate Size, Promotes Healthy Urinary Flow and Supports Energy & Male Vitality. All three are worded with supports or promotes. None uses a medical verb and none carries a figure. The label also prints the FDA disclaimer in full and in capitals, which is the sentence that describes what those three claims are and are not.

what is a structure function claim on a supplement

It is a claim that an ingredient or a nutrient plays a part in the normal working of the body — supports bone health, promotes normal digestion. A supplement may print one without approval, provided the label carries the disclaimer that the statement has not been evaluated by FDA and the product is not intended to diagnose, treat, cure or prevent any disease. A claim that a product treats, prevents or mitigates a named disease is a drug claim, and only an approved drug may make one.

is supports healthy prostate size a legal claim

This desk is not going to answer that with a verdict, because the answer is not a reader’s to give and it is not this desk’s either. The phrase does not name a condition and does not use a medical verb, which is what a permitted claim looks like. An enlarged prostate is a disease state with a name, which is what puts the phrase near the line. FDA weighs the whole context a claim is made in, case by case, and the context here includes a sales page reached at a URL ending /flow-warning/. What a reader can do is see all of that at once, which is the point of the section above.

does the fda approve prostacyl claims

No, and it does not approve any supplement’s claims in advance. That is why the disclaimer exists, and this label prints it in full: “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.” Printed completely, in capitals, on the label rather than buried in a sales page. Several products this desk has read trim it, paraphrase it or leave it to the marketing. This one does not, and that is recorded here as a credit.

prostacyl supplement does it work

Nothing supplied answers that. No trial of the finished product appears anywhere in the material, and the three claims on the front are not the kind of sentence that can be tested. What can be done — and on most products in this category cannot — is to read the claims against the panel, because this label prints an amount for every row. Do that and four of the nine rows come out well below the published doses: lycopene at 0.5 mg against 15 mg in the trial, pygeum at 6.0 mg of sterols against 13.0, nettle leaf at 50 mg where the trials use root at 360 mg, and saw palmetto at 300 mg with no standardisation printed. Every sum is set out row by row.

can a supplement reduce prostate size

A dietary supplement may not claim to treat, prevent or mitigate a disease, and that is the whole of the regulatory answer. This label does not make that claim: it says supports healthy prostate size, which is a statement about normal structure. Nothing in the material supplied measures anybody’s prostate, and no trial of this formula exists in it. If something has changed for you, the person to ask is a clinician rather than a label. Who this product is and is not for is set out here.

prostacyl.com flow warning page

The sales page for this product sits on a different domain from this shop and is reached at a path ending /flow-warning/. A URL is not a claim and this desk is not treating it as one. It is context, and context is what FDA weighs when it reads a claim: the same four words about prostate size read differently under a heading about a warning than they do on a shelf. Which domain is which is set out on the where-to-buy page.

prostacyl vs other prostate supplements

On the one measure this desk can apply to every product it reads, this one wins: nine ingredients, nine printed amounts, no proprietary blend, species and plant parts named, and two rows standardised. Most products in this category publish less. The score is still only 2.9 out of 5, because the amounts it prints turn out, once multiplied, to sit well below the published doses on four rows. The category guide sets out what the published work actually used.

References

Three sources bear on this page. The second is the one the whole page rests on: FDA’s own account of what a structure/function claim is, what it may say and what it must carry.

  1. U.S. Food and Drug Administration (2026). Dietary Supplement Labeling Guide: Chapter IV, Nutrition Labeling (21 CFR 101.36).
  2. National Institutes of Health, Office of Dietary Supplements (2026). Vitamin E: Fact Sheet for Health Professionals.
  3. U.S. Food and Drug Administration (2026). Structure/Function Claims for Dietary Supplements.

Read the panel before you decide

Sixty capsules, two a day, thirty days a bottle. The Supplement Facts panel declares nine ingredients and nine amounts, with no proprietary blend — the most transparent label in this series. Four of those nine rows change meaning once the arithmetic is done, and all four sums are shown in full. One bottle is $69; six are $49 each. The refund window is printed as 60 days in one place and 90 in another.

  • 60 or 90 days — the page prints both
  • Nine ingredients, nine printed amounts, no blend
  • Returns to 1370 Avenue of the Americas, Floor 4, New York, NY 10019, USA

Prices as printed on the sales page, as of October 12, 2026: one bottle $69, six bottles $49 each with free shipping. The three-bottle total is not published, so it is left blank rather than estimated. The refund window is printed as 60 days in one place and 90 in another — confirm it at the checkout. Questions first? Every published contact route is here.

Keep reading

Authorship and review

Who wrote and checked this page

Written byThe Prostacyl Editorial DeskLabel analysis and fact-checking
Medically reviewed byDr. Akhil Saji, MD, PhysicianA named clinician or dietitian, once one has read these pages.
RoleMedical reviewerChecks the label transcription, the arithmetic and every safety statement on this page.
Review dateOctober 12, 2026The date a named reviewer signed off this page.

Who reviews these pages?

What this page was checked against

  • The label artwork, read at 2× and transcribed character for character. Where the label and the marketing disagree, the label is printed.
  • The seller pack, quoted rather than paraphrased, and identified as marketing wherever it is used.
  • The published sources listed in the references on this page. Every one was opened and read; none is cited from memory.
  • The arithmetic, shown in full. Every amount on this panel is printed, so the figures here are conversions of printed amounts with the working given, never ceilings and never estimates.
  • Nothing else. Any fact that was not supplied is recorded as not published rather than filled in.

Last updated October 12, 2026. A highlighted slot is a value no human has supplied yet. Who reviews these pages?

Prostacyl — price shown at checkout60 capsules · two a day · nine ingredients, all nine with amounts