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What Are the Active Ingredients in ProstaFlow, and Is There Any Saw Palmetto?
Shoppers expect a prostate product to hold saw palmetto, and many are surprised. This page lists what the panel really holds, row by row, in plain terms. Then it covers what is missing, what the capsule shell is made of, and how to read any ingredient list like this one.
ProstaFlow has seven active rows: niacin 7.5 mg NE, calcium 18 mg, L-arginine 200 mg, arginine AKG 2:1 extract 200 mg, L-citrulline HCl 100 mg, L-citrulline malate 100 mg and beta alanine 40 mg. There is no saw palmetto, beta-sitosterol, pygeum, zinc or lycopene, and no proprietary blend.
- Seven active rows, each with a printed amount, totalling 665.5 mg per capsule.
- Six hundred of those 665.5 mg belong to one idea: the four arginine and citrulline rows.
- No saw palmetto, beta-sitosterol, pygeum africanum, zinc or lycopene is on the panel.
- The other ingredients are hypromellose (vegetable capsule), vegetable stearate and silicon dioxide.
- No proprietary blend is used. The label has no sugar, sweetener, flavour or colour.
- The citrulline malate row prints no ratio, so its citrulline content cannot be worked out.
What are the active ingredients in ProstaFlow?
The Supplement Facts panel lists seven. Serving size is one capsule, and there are 30 servings per bottle. Here they are, grouped by what kind of substance each is.
| Family | Rows | Weight per capsule |
|---|---|---|
| Nitric oxide amino acids | L-arginine base, L-arginine AKG 2:1, L-citrulline HCl, L-citrulline malate | 600 mg |
| Buffering amino acid | Beta alanine | 40 mg |
| Vitamin | Niacin, as niacin equivalents | 7.5 mg NE |
| Mineral | Calcium, as calcium carbonate | 18 mg |
Add the weights and you reach 665.5 mg of declared actives. The panel itself prints them in a fixed order that puts the vitamin and the mineral first. We have sorted them by weight, because that answers the question most people arrive with: what kind of product is this?
What is the main ingredient?
Two rows tie for the largest weight, at 200 mg each: plain L-arginine, and the arginine AKG 2:1 extract. The AKG row prints its 2:1 ratio. That means about two thirds of its weight is arginine, which is roughly 133 mg. So the capsule holds about 333 mg of arginine, a little over half of the declared active weight.
Arginine is the raw material the body turns into nitric oxide. Citrulline is another route to the same end, because the kidney turns it back into arginine. The idea behind the formula is to raise the supply of that raw material, which is why four rows come from these two amino acids.
Why the maker chose two forms of each, instead of one form at a bigger amount, is not published.
What do the salt names on the panel mean?
Four rows name a salt or a complex, and the name changes what the milligrams buy. Amino acids are often sold bound to a partner, such as hydrochloride or malate. The partner has weight, and the weight on a panel is usually the weight of the whole salt.
| Row as printed | Printed weight | Amino acid inside |
|---|---|---|
| L-Arginine (base) | 200 mg | 200 mg of arginine, since a free base has no partner |
| L-Arginine AKG 2:1 Extract | 200 mg | About 133 mg of arginine, from the printed ratio |
| L-Citrulline HCl | 100 mg | Somewhat under 100 mg of citrulline |
| L-Citrulline Malate | 100 mg | Not stated, because no ratio is printed |
The last row is where this label stops short. Citrulline malate is sold in more than one ratio, and they hold different amounts of citrulline for the same weight. The honest reading is to treat those 100 mg as the weight of the salt, and to say that the citrulline inside is not published.
What are beta alanine, niacin and calcium doing there?
Beta alanine is a sports-shelf amino acid with no role in nitric oxide. It is the one row from a different story, and at 40 mg it is small next to the 4 to 6 g a day the sports position stand names.
Niacin is vitamin B3, written as niacin equivalents. At 7.5 mg NE it is a real but modest nutrient contribution, 47% of a Daily Value. The adult male requirement is 16 mg NE a day, and the upper intake is 35 mg.
Calcium at 18 mg is 1.5% of a Daily Value. At this weight calcium carbonate acts more like a flow agent for the powder than a nutrient. The label prints the 1.5% honestly rather than rounding it up.

See the whole panel beside the pack prices
The order page shows the three pack sizes and the guarantee. The printed panel is on this website in full.
See today’s price and guaranteePrices on this site were read on 19 September 2026. The checkout shows the price that applies. Prostaflowdaily earns from orders placed through the checkout this website hands off to.
What else is inside the capsule?
Three entries sit under the panel: hypromellose (vegetable capsule), vegetable stearate and silicon dioxide.
- Hypromellose is the shell. It is made from plant cellulose, and it is the plant-based alternative to gelatin. It suits a vegetarian diet.
- Vegetable stearate is a lubricant from a plant source. It keeps powder from sticking to machinery.
- Silicon dioxide is a flow agent. It stops fine powder clumping.
No sugar, sweetener, flavouring, colour or preservative appears on the label. None of the three entries is a gluten, dairy, soy or nut source. Anyone with a severe allergy should still confirm the finished facility with the manufacturer.
Is there any saw palmetto in ProstaFlow?
No. Saw palmetto, beta-sitosterol, pygeum africanum, zinc and lycopene are all absent. Pumpkin seed is not on the panel either. The word prostate appears on the bottle only inside the brand name.
That is a fact about the kind of formula this is, not a verdict on it. If you came here wanting a botanical prostate formula, this is not one, and you should buy what you want to buy.
It also helps to know the botanical shelf is not a sure thing. The 2023 Cochrane review of saw palmetto gathered 27 studies in 4,656 men and reported, at high certainty, little to no benefit for urinary symptoms. There is also a Cochrane review of beta-sitosterols, and NCCIH has a page on saw palmetto. Reading them is a fair step before you spend money on any prostate product.
Is ProstaFlow a capsule, a pill, a gummy or drops?
A capsule. The bottle says 30 capsules and dietary supplement. It is not a gummy, and it is not liquid drops. People search for pills, and the capsule is what they mean.
The shape matters for your routine. One capsule a day with an 8 oz glass of water, 20 to 30 minutes before a meal, is the label's line. Most formulas on this shelf ask for two or three because botanical extracts are bulky. An amino acid panel at these weights does not need the space.
Why does the listing graphic show six rows when the panel shows seven?
Two counts circulate. The supplier's shopping-page graphic names niacin, calcium, L-arginine base, L-arginine AKG, L-citrulline HCl and L-citrulline malate. That is six. The printed panel adds beta alanine at 40 mg, which makes seven.
A panel is the regulated declaration. A listing graphic is artwork made for a shopping page. Where the two differ, the seven-row panel governs. Compare the bottle that arrives with the panel, not with a picture.
How should you read any prostate supplement's ingredient list?
- Look for a printed amount against every row. A proprietary blend hides the split.
- Check the forms. A salt or a complex means the weight on the label is not the weight of the active part.
- Look for ratios. A printed ratio lets you do the sum. A missing one leaves a gap.
- Compare amounts with the research the seller quotes. If the amounts are far apart, the seller should say so.
- Check what is missing. A prostate name does not guarantee a classic prostate ingredient.
Where do these facts come from?
Ingredient and label facts come from the printed ProstaFlow panel as transcribed on this website. Research facts come from the public sources below.
- The 2023 Cochrane review of saw palmetto. https://pubmed.ncbi.nlm.nih.gov/37345871/
- The Cochrane review of beta-sitosterols. https://pubmed.ncbi.nlm.nih.gov/10796740/
- NCCIH on saw palmetto. https://www.nccih.nih.gov/health/saw-palmetto
- The Institute of Medicine niacin chapter. https://www.ncbi.nlm.nih.gov/books/NBK114304/
- The Institute of Medicine calcium intake tables. https://www.ncbi.nlm.nih.gov/books/NBK56068/
- The ISSN position stand on beta-alanine. https://pubmed.ncbi.nlm.nih.gov/26175657/
- The citrulline malate meta-analysis. https://pubmed.ncbi.nlm.nih.gov/34010809/
- A head-to-head of citrulline against citrulline malate. https://pubmed.ncbi.nlm.nih.gov/39662304/
Frequently asked questions
What are the active ingredients in ProstaFlow?
Niacin 7.5 mg NE, calcium 18 mg, L-arginine 200 mg, L-arginine AKG 2:1 extract 200 mg, L-citrulline HCl 100 mg, L-citrulline malate 100 mg and beta alanine 40 mg. Together they total 665.5 mg per capsule.
What is the main ingredient in ProstaFlow?
Arginine. Two 200 mg rows carry about 333 mg of arginine between them, which is a little over half of the declared active weight.
Does ProstaFlow contain saw palmetto?
No. Saw palmetto, beta-sitosterol, pygeum africanum, zinc and lycopene are not on the panel.
Is there a proprietary blend in ProstaFlow?
No. Every row has its own printed amount, and there is no blend total anywhere on the label.
What is the capsule made of?
Hypromellose, a plant cellulose, so it suits a vegetarian diet. The other entries are vegetable stearate and silicon dioxide.
Why does the listing graphic show six ingredients?
The shopping-page graphic leaves out beta alanine. The printed Supplement Facts panel lists seven rows, and the panel is the document that governs.
Our view
We like the openness of this label. Seven rows, seven amounts, no blend, and a ratio printed where it counts. You can do the sums yourself, and most supplements do not allow that.
What we cannot say is that the mix does anything for you. It is an amino acid formula with a vitamin and a little calcium, and it is small next to the research doses. If you want saw palmetto, buy saw palmetto, and read the review first. If you want to try this, treat it as a low-dose daily routine, keep your doctor informed, and judge it within the 60 days.
Last updated . Medically reviewed by Dr. Al Borhan, MD, Physician, on October 16, 2026.

Read the panel, then the terms
The order page lists pack prices and the 60-day guarantee. The ingredients above are the whole story on the label.
See today’s price and guaranteeOne-time payment, no subscription, 60-day money-back guarantee from the shipping date. Prostaflowdaily earns from orders placed through the checkout this website hands off to.
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