Official product information
Three groups this label serves and five it does not, starting with the one exclusion the bottle decides for you before any seal gets a vote.
Written and reviewed by the Protoflow Editorial Desk · Last updated September 24, 2026
Quick answer
Protoflow suits people who want to read every amount before they buy: fourteen ingredients, fourteen printed figures, no proprietary blend. It does not suit vegetarians or vegans, because the other-ingredients line names gelatin. Nor anyone on a blood thinner, anyone who flushes on niacin, anyone buying it for urinary symptoms, or anyone with an autoimmune condition.
Read this first
Most “who is this for” pages are a sales device. This one starts with an exclusion, because on this product one group is ruled out by the label itself — and the people in that group are the ones most likely to buy the bottle by accident.
The other-ingredients line on the wrap reads, word for word: “Rice Flour, Gelatin, Magnesium Stearate, Silicon Dioxide, Maltodextrin, Soy Protein Concentrate, Water.” Gelatin is made by boiling down animal collagen — skin, bone and connective tissue, usually bovine or porcine. It is the second ingredient in that row, which on a capsule product means it is almost certainly the shell. The supplied marketing pack ships a round VEGETARIAN mark with a carrot in the middle of it. Those two things cannot both be true of the same bottle.
That is not a difference of opinion between a seller and a reviewer. It is a difference between a picture and a document, and the document names gelatin second — which on a capsule product almost always means the shell itself.
On any capsule, read the other-ingredients line before you read the seal. The shell is where a vegetarian claim is won or lost, and it has only two ordinary answers: gelatin, which is animal, or hypromellose or cellulose, which is not. A seal is a picture somebody chose. The other-ingredients line is a regulated statement of what is in the capsule. Where they disagree, believe the line.
This is at the top rather than in a footnote for one reason: everything else on this page is a judgement call about amounts and evidence, and this one is simply a fact about what is in your hand.
A fit, honestly described
Credit where the label earns it, and a precise account of what that credit is actually for.
With that said, this label does something that most of its shelf does not, and it would be dishonest to write a fit page without leading on it. The Supplement Facts panel declares fourteen ingredients and fourteen amounts, with no proprietary blend — and a blend is precisely where this category normally hides how little of each herb is in the capsule. Every figure is printed, and every figure can be argued with, which is the only reason the rest of this site has anything to say.
Fourteen rows, fourteen figures, no proprietary blend. In this category that is rare enough to be the main reason to prefer this bottle over most of its shelf. You may not like what the figures say — we do not — but you can see them, and you cannot see them on most competitors.
Ginseng is the one row on this panel where a federal body reports something positive: NCCIH says oral Asian ginseng “seems to improve sexual function in people with erectile dysfunction”. At 120 mg of unstandardised root this is a modest amount of it, and you would get more from a single-ingredient product, but it is here and it is declared.
If you have already decided you want a broad men’s botanical stack, one bottle with every amount printed is a more honest way to buy it than eight single-herb bottles with eight different labels.
None of those three is “anyone who wants their flow supported”. The first is about transparency rather than effect. The second is narrow on purpose: NCCIH reports that oral Asian ginseng “Taking oral Asian ginseng seems to improve sexual function in people with erectile dysfunction (ED).” That is the single positive federal finding attached to anything in this bottle, at a modest 120 mg of unstandardised root.
The third group is a convenience argument rather than an efficacy one, and this page will not pretend otherwise.
Exclusions
One decided by the ingredient list, and four decided by federal pages that cover single rows on this panel.
Five groups, in the order the consequences matter. The first is decided by the ingredient list; the next four by federal safety pages covering individual rows on this panel.
This is the clearest exclusion on the product and it is decided by the label. The other-ingredients line reads “Rice Flour, Gelatin, Magnesium Stearate…” Gelatin is boiled-down animal collagen. The vegetarian mark in the marketing pack does not change what is in the capsule.
There is no caveat to add and no second reading available. If you keep a vegetarian or vegan diet, stop here; nothing further down this page can change the answer.
Three rows — vitamin E, ginkgo and Asian ginseng — carry published anticoagulant cautions, and they are in the same capsule twice a day. ODS on vitamin E: it “can increase the risk of bleeding in people taking anticoagulant or antiplatelet medicines, such as warfarin”. This is a pharmacist question, not a comment-section question.
Read the stack rather than the rows. Three of the fourteen rows carry the same published warning, and they are in the same capsule. Vitamin E, per NIH ODS, “can increase the risk of bleeding in people taking anticoagulant or antiplatelet medicines, such as warfarin (Coumadin)”. Ginkgo, per NCCIH, “may increase the risk of bleeding in people who are taking anticoagulant drugs, such as warfarin”. Asian ginseng, per NCCIH, “may worsen autoimmune disorders and interfere with blood clotting”. None of those three amounts is extreme on its own. The point is that they arrive together, in one bottle, taken twice a day, by an age group that is more likely than most to be on a blood thinner already.
Read a multi-botanical panel for repeats, not just for totals. When three separate rows carry the same caution, the caution is the formula’s, not the ingredient’s. The label’s own line — consult a physician if you take any medication — is the right instruction, and this is the formula that earns it.
75 mg is more than twice the 35 mg supplemental upper limit, and ODS reports that 30 mg or more of nicotinic acid can turn the skin of the face, arms and chest red, burning and itchy. The label does not say which form of niacin it uses.
What the panel cannot tell you is which form of niacin it is, because it does not say. Nicotinic acid flushes from about 30 mg upwards; niacinamide does not. On a 75 mg row that one missing word decides how the capsule will feel.
Saw palmetto is the ingredient people buy for that, and NCCIH’s 2023 review of 27 studies found it “provides little or no benefit for BPH symptoms”. This bottle has 84.5 mg of unstandardised fruit against the roughly 320 mg of standardised extract the trials used. MedlinePlus is plain that these symptoms “could be from a more serious health problem”.
This is the exclusion most likely to be argued with, so here is the evidence in full. NCCIH: “A 2023 review of 27 studies on saw palmetto in men with BPH found that this herb, when administered alone, provides little or no benefit for BPH symptoms.” And of two further trials: “In both studies, saw palmetto did not improve BPH symptoms.” Even if those reviews had come back positive, 84.5 mg of unstandardised fruit is roughly a quarter of the studied amount, in a different preparation. MedlinePlus is plain about why that matters here: on the symptoms of an enlarged prostate, “It’s important to see your health care provider if you have any of these symptoms because they could be from a more serious health problem.”
NCCIH: Asian ginseng “may worsen autoimmune disorders” and “might lower blood sugar levels”. Both are conversations to have before the first capsule rather than after.
Both come from the same NCCIH page, and both attach to the one ingredient on this panel with a positive finding behind it: the row most likely to do something useful is also the row carrying the most conditions on who should take it.
Before you order
If you are in none of those five groups, the framing is short. No trial of this formula has been published, so nobody — not this site, not the seller — can say what these fourteen ingredients do at these amounts. Seven of the eleven botanicals have no NCCIH page at all, and of the four that do, three report no benefit or conflicting evidence.
The first is the medicine cabinet. Write down everything you take, prescription and over the counter, and ask a pharmacist about it against three names: vitamin E, ginkgo and Asian ginseng. The label’s own caution asks for exactly this, in one sentence: “If you are currently taking any medication, consult with a physician prior to use. Do not exceed suggested use.”
The second is your other supplements. Niacin and vitamin E are the two rows here with published ceilings, and this serving is already over the niacin one before you add a multivitamin or a B-complex to it.
The third is the reason you are buying. If it is a urinary symptom or an erectile one, MedlinePlus puts the case better than we could: “ED can be a sign of health problems. It may mean your blood vessels are clogged. It may mean you have nerve damage from diabetes.” Those are not reasons to avoid a supplement. They are reasons to see somebody first and buy second.
Rather than rebuild it here, the short interactive version — the questions in the order they actually matter, with the answer at the end — lives on the home page. Run the fit check, then come back for the reasoning behind each answer.
Questions
<strong>No.</strong> The other-ingredients line reads “Rice Flour, Gelatin, Magnesium Stearate, Silicon Dioxide, Maltodextrin, Soy Protein Concentrate, Water.” Gelatin is made from animal collagen. The marketing pack ships a vegetarian roundel; the label contradicts it, and the label is the document that counts.
Ask first, and the label says the same. Beyond the bleeding cautions, NCCIH reports that Asian ginseng “might lower blood sugar levels” and “might interact with certain medications”, and that ginkgo “may also interact with other drugs”.
Yes. NCCIH: Asian ginseng “may worsen autoimmune disorders”. That is a conversation to have before the first capsule.
No. The product is sold for adults 18 and over.
If you are trying it, one bottle is thirty days and finishes with a month of guarantee still to run. The three- and six-bottle packs add the four digital bonuses, and the six-bottle pack runs 120 days past the window.
References
Next
Every federal safety statement that covers anything in this bottle.
Read it →Each row checked against the federal page that covers it, where one exists.
Read it →Including the vegetarian mark the label itself contradicts.
Read it →Sixty capsules a bottle, two capsules daily with water, thirty days a bottle. Fourteen ingredients, fourteen published amounts, no proprietary blend. The capsule shell is gelatin. No pack price was supplied to this desk, so read the figure on the sales page before you pay. Sixty days from purchase to change your mind. The order desk supplied to us is +1 (302) 200-3480.
Price shown at checkout · 60-day window from the date of purchase · ships from inside the US · the label’s own support line is +1 (302) 200-3480