Ingredient
Inosine and Oat Straw in Protoflow: A Gout Flag and a Calming Tradition
Inosine and oat straw in Protoflow are 50 mg and 32 mg per 2-capsule serving. Inosine turns into uric acid, which may be hazardous for people at risk of gout, and little science supports its sold uses. Oat herb has traditional use only, for mild stress and sleep, per the European Medicines Agency. Neither is a prostate ingredient.
Written by the Protoflow label deskUpdated
On the label01
What are inosine and oat straw doing in Protoflow?
They are two small lines near the end of the Supplement Facts panel: inosine at 50 mg and oat straw stalks at 32 mg per 2 capsules.
Inosine is a purine, a building block the body makes on its own. Oat straw is the green stalk of Avena sativa, the oat plant. Both are printed with amounts on the panel, and together they come to 82 mg of the 1,619 mg total, about 5% (Protoflow bottle label).
The sales page names neither of them. It lists eight botanicals, and inosine is not a botanical at all. They show up only on the bottle, so a reader of the pitch alone would never learn that a purine is in the capsules.
The label does not say why these two are there. We can only describe what the sources say about each and what a buyer should watch for.
| Name on the label | Inosine |
|---|---|
| What it is | A purine the body makes; raises uric acid |
| Place on the label | Its own printed line |
| Amount per 2 capsules | 50 mg per 2 capsules |
| Amount per capsule | 25 mg |
| Amount used in research | One small trial gave up to 3 g a day for 46 weeks to ten people with MS |
| Strength of evidence | Little scientific support for any use |
| Marketed or traditional use | Sold for energy and performance |
| Main caution | Turns into uric acid, which may be hazardous for people at risk of gout. |
| Name on the label | Oat Straw (Stalks) |
|---|---|
| What it is | Green stalks of Avena sativa |
| Place on the label | Its own printed line |
| Amount per 2 capsules | 32 mg per 2 capsules |
| Amount per capsule | 16 mg |
| Amount used in research | EU herbal committee: traditional use only for mild stress and sleep |
| Strength of evidence | Clinical evidence insufficient |
| Marketed or traditional use | Traditional calming tonic |
| Main caution | No side effects reported at assessment; the label makes no gluten-free statement. |
Inosine02
What is inosine, and why does uric acid matter?
Inosine is a precursor to uric acid. Unused inosine converts to uric acid, which may be hazardous to people at risk for gout.
That is the central fact in the University of Michigan Health library entry, which draws on Healthwise content. It is a secondary source, reviewed in March 2015, and we found no NIH or MSK page on inosine (UofM Health (Healthwise), Inosine). The gout flag it raises is real, but the entry gives no number for how much inosine pushes uric acid up.
Gout is a painful joint condition tied to high uric acid. Anyone with gout, a history of gout attacks, or a doctor's advice to watch uric acid should ask before taking a product that holds inosine.
If you take medicine for gout, such as one that lowers uric acid, do not change it because of Protoflow. Show your prescriber the Supplement Facts panel before the first capsule.
The label says to consult a physician if you take any medication (Protoflow bottle label). Add a gout history to that, even if you take no pill for it.
The numbers03
How much inosine is in Protoflow compared with studies?
A serving holds 50 mg of inosine. The one small trial in the source gave up to 3 g a day, which is about 60 times as much.
The math: 3,000 mg divided by 50 mg is 60. That trial gave up to 3 g daily for 46 weeks to ten people with multiple sclerosis. The same source says athletes often take 5,000 to 6,000 mg a day, with little evidence of benefit (UofM Health (Healthwise), Inosine). A Protoflow bottle holds 1,500 mg of inosine in all.
| Line | Per 2 capsules | Per 30-day bottle | What the source reports |
|---|---|---|---|
| Inosine | 50 mg | 1,500 mg | Up to 3 g a day in one small trial; 5,000 to 6,000 mg a day among athletes (UofM Health (Healthwise), Inosine) |
| Oat straw (stalks) | 32 mg | 960 mg | No dose in the EMA summary we read (EMA, Oat herb (Avena sativa)) |
At 50 mg, the amount is tiny next to those figures. That cuts two ways. A small dose may add little uric acid, and it also gives little reason to expect any of the effects the studies chased. The source rates the evidence at one star, which means little scientific support.
Oat straw04
What is oat straw used for, according to the EMA?
The European Medicines Agency says oat herb can relieve mild mental stress and aid sleep, based on long-standing traditional use only.
The committee reached that view because clinical trial evidence is insufficient. It says oat herb should be used only by adults and adolescents over 12, and a doctor should be consulted if symptoms persist. At the time of assessment, no side effects had been reported (EMA, Oat herb (Avena sativa)).
There is a catch. The EMA text covers oat herb, the aerial parts of Avena sativa harvested before flowering. The Protoflow label says "stalks", and we found no MedlinePlus or MSK page for oat straw. So the match between the two is close, not proven.
The bottle gives no such link. Its directions say two capsules daily with water, with no time of day, and the dagger points to the FDA statement that the claim has not been evaluated (FDA, Structure/Function Claims). Treat oat straw as a small traditional line, not a sleep aid.
Nothing in the EMA entry mentions the prostate, bladder or night-time bathroom trips. Causes of waking at night are many, as the nocturia source shows (MedlinePlus, Nocturia).
Protoflow: from $49 a bottle60 capsules · 2, 3 or 6 bottles · free US shipping on 3 or 6 · 60-day guarantee
See packsAllergen note05
Is Protoflow gluten-free if it has oat straw?
The label does not say. It prints no gluten-free statement, so do not assume it from the sales page.
The sales page calls the product "Non-GMO, vegan and gluten-free". The panel tells another story on vegan, since the capsule is gelatin, and it holds no gluten-free seal or statement (Protoflow bottle label). Oat straw and maltodextrin are on the panel, and neither is marked gluten-free there.
- If you have celiac disease or a wheat allergy, ask the order desk for written confirmation before buying.
- Soy protein concentrate is also listed, so soy is a possible allergen (FDA, Food Allergies).
- The desk number is +1 (302) 200-3480. Have your order ID ready if you already bought.
Our read06
Are inosine and oat straw reasons to buy Protoflow?
No. Inosine is the line to check if you have gout. Oat straw is a small traditional line with no prostate link.
Fair points
- Both amounts are printed: 50 mg and 32 mg
- EMA reports no side effects for oat herb at assessment (EMA, Oat herb (Avena sativa))
Weak spots
- Inosine becomes uric acid, a gout flag
- Little science backs inosine, and oat has traditional use only
- No gluten-free statement on the label
Blood in the urine, burning with fever, groin or back pain, or a bladder that will not empty need a doctor. Not being able to pass urine at all means 911.
The 60-day guarantee covers a bad fit, and packs start at $49 a bottle on six. Read who it is for before you order.
See Protoflow packsFAQ07
Inosine and oat straw questions
How much inosine is in Protoflow?
A serving holds 50 mg of inosine, and a 60-capsule bottle holds 1,500 mg. The label does not say which form. The one trial in our source gave up to 3 g a day, about 60 times a serving (UofM Health (Healthwise), Inosine) (Protoflow bottle label).
Does inosine raise uric acid?
Yes, in principle. The source says unused inosine converts to uric acid, which may be hazardous for people at risk of gout. It gives no figure for 50 mg, so ask your doctor if you have gout (UofM Health (Healthwise), Inosine).
Can you take inosine if you have gout?
Ask your prescriber first. Because inosine becomes uric acid, a gout history is a named risk. Keep taking any gout medicine as prescribed, and show the Supplement Facts panel before starting Protoflow (UofM Health (Healthwise), Inosine).
Does inosine improve athletic performance?
The source rates the evidence at one star, little scientific support, even though athletes often take 5,000 to 6,000 mg a day. Protoflow has 50 mg, so the label offers no sound basis for expecting that (UofM Health (Healthwise), Inosine).
What does oat straw do in a supplement?
The EMA says oat herb has traditional use for relieving mild mental stress and aiding sleep, because trial evidence is insufficient. It is not tied to the prostate. The label amount is 32 mg (EMA, Oat herb (Avena sativa)).
Is oat straw safe to take daily?
The EMA found no reported side effects at assessment and limits oat herb to adults and adolescents over 12. It advises a doctor visit if symptoms persist. The summary we read gives no long-term data (EMA, Oat herb (Avena sativa)).
Is oat straw the same as oat herb?
Close, but the label says stalks and the EMA assessed the aerial parts of Avena sativa harvested before flowering. We cannot confirm they match. Ask the order desk if the plant part matters to you (EMA, Oat herb (Avena sativa)) (Protoflow bottle label).
Who wrote this08
Written and reviewed by
Pages built from the label, the brand pages and linked NIH, FDA, FTC, NICE and peer-reviewed sources.
Last updated . See our editorial standards and how we check reviews. This website is run by a USA authorized Protoflow retailer, not by the manufacturer or distributor, PhytoThrive Labs. We make money when you buy through our order links.
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