---
title: "Methylene Blue 2% — $3K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/methylene-blue-2"
last_updated: "2026-08-12T13:24:20.510Z"
locale: en
meta:
  description: "Amazon product research for methylene blue 2%: $3K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:description": "Amazon product research for methylene blue 2%: $3K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:title": "Methylene Blue 2% — $3K/mo Amazon US Product Research (2026)"
---

# **Methylene Blue 2%**

**Worth a look**

Shows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 8Growth 14Conversion 81Competition 52Returns 98Price range 86Avg price 95Brand share 72Review moat 86Quality gap 83

**Returns**

**Incredible****0.4%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$28.22**

avg listing price — sweet spot $15–$100

**Review moat**

**Great****275.83**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Great****$10.21–$54.79**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Great****8.4%**

search→purchase rate — share of searches ending in a sale

**Brand share**

**Good****62%**

top-5 brand share — brands hold most of the demand

**Competition**

**Good****54%**

top-5 click share — leaders hold, buyers still browse

**Growth**

**Bad****-22.2%**

90-day search growth — must beat 0% to launch

**Market size**

**Bad****$33K**

$33K/yr · 14K searches

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")

## **Is methylene blue 2% profitable on Amazon?**

According to Flapen's Amazon United States niche tracking, methylene blue 2% is a $33K/yr Amazon United States market (14K searches/yr). The top 5 brands hold 62% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 58/100.

Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **methylene blue 2% market size & sales**

Units sold, revenue, conversion and listing quality across the tracked shelf.

<dl>

<dt>**Units sold / yr**</dt><dd>**1K–1K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$28K–$35K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**8.4%**</dd>

<dt>**Avg BSR**</dt><dd>**#1,867**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**89%**</dd>

<dt>**Out of stock**</dt><dd>**9.2%**</dd>

<dt>**Avg brand age**</dt><dd>**16 months**</dd>

<dt>**Avg seller age**</dt><dd>**259 days**</dd>

</dl>

## **Competition: brands, sellers & click share**

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**15 **—flat

**Sellers**

**17**

**Top-5 brand share**

**62%**

Top 20: 100%

**Top-5 click share**

**54%**

Top 20: 100%

**Open market**

**30%**

- METHYLENE BLUE CO16% - Someraze14% - ENMEMO12% - Stanis Labs10% - ZEMUS9% - IROVV8%

## **methylene blue 2% demand & seasonality**

Weekly Amazon search volume, last 60 weeks — -22.2% search growth over the last 90 days.

600400Prime Day '25Spike '25Black Friday '25Spike '26 seasonJunJulAugSepOctNovDecJanFebMarAprMayJunJul

Peak months: Aug, Sep · busiest ÷ quietest = 2.8×

[**Open Trend **](https://flapen.com/research/us/health-household/methylene-blue-2/trend)

## **Top methylene blue 2% products & what they sell for**

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%4%$1K8%$3K12%$4K16%$5K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![3% Methylene Blue Drops High Purity USP Pharmaceutical Grade Blue Methylene Liquid for Humans Cognitive & Focus Support No Alcohol No Formaldehyde 120 mL 4.06 FL OZ](https://m.media-amazon.com/images/I/41oDw2wLqZL.jpg)**3% Methylene Blue Drops High Purity USP Pharmaceutical Grade Blue Methylene Liquid for Humans Cognitive & Focus Support No Alcohol No Formaldehyde 120 mL 4.06 FL OZ**Someraze**$22.24**4.4★139 rev](https://www.amazon.com/dp/B0GR8L76MF) [2![Methylene Blue Drops 4.06 fl oz 2%-USP/Pharmaceutical Grade Solution Third-Party Tested No Formaldehyde Glass Bottle Made in China](https://m.media-amazon.com/images/I/51qNrFiciqL.jpg)**Methylene Blue Drops 4.06 fl oz 2%-USP/Pharmaceutical Grade Solution Third-Party Tested No Formaldehyde Glass Bottle Made in China**ENMEMO**$10.45**4.1★366 rev](https://www.amazon.com/dp/B0F9XYL73H) [3![Methylene Blue 2% Solution 3.75 fl oz USA Made Glass Bottle with Dropper](https://m.media-amazon.com/images/I/41H0DCqIMXL.jpg)**Methylene Blue 2% Solution 3.75 fl oz USA Made Glass Bottle with Dropper**METHYLENE BLUE CO**$37.95**4.2★1,218 rev](https://www.amazon.com/dp/B0CV5QBFT7) [4![Methylene Blue Drops 3 fl oz 2%-USP/Pharmaceutical Grade 99.99% Pure Solution Third-Party Tested No Formaldehyde Glass Bottle](https://m.media-amazon.com/images/I/41u15QTKwZL.jpg)**Methylene Blue Drops 3 fl oz 2%-USP/Pharmaceutical Grade 99.99% Pure Solution Third-Party Tested No Formaldehyde Glass Bottle**IROVV**$10.21**4.4★53 rev](https://www.amazon.com/dp/B0GCDB59ZR) [5![Supreme Methylene Blue Drops 2% (USP Grade) | Brain Supplements For Memory and Focus Fuel | 3rd Party Tested & Ultra High Purity | USA Made Methylene Blue For Humans - 60 Servings 2 FL.OZ 1 Pack](https://m.media-amazon.com/images/I/51uB3y8+a1L.jpg)**Supreme Methylene Blue Drops 2% (USP Grade) | Brain Supplements For Memory and Focus Fuel | 3rd Party Tested & Ultra High Purity | USA Made Methylene Blue For Humans - 60 Servings 2 FL.OZ 1 Pack**Stanis Labs**$18.53**3.9★100 rev](https://www.amazon.com/dp/B0FN4R13KC)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![3% Methylene Blue Drops High Purity USP Pharmaceutical Grade Blue Methylene Liquid for Humans Cognitive & Focus Support No Alcohol No Formaldehyde 120 mL 4.06 FL OZ](https://m.media-amazon.com/images/I/41oDw2wLqZL.jpg)**3% Methylene Blue Drops High Purity USP Pharmaceutical Grade Blue Methylene Liquid for Humans Cognitive & Focus Support No Alcohol No Formaldehyde 120 mL 4.06 FL OZ**Someraze**$22.24**139 rev4mo ago](https://www.amazon.com/dp/B0GR8L76MF) [![Methylene Blue Drops 3 fl oz 2%-USP/Pharmaceutical Grade 99.99% Pure Solution Third-Party Tested No Formaldehyde Glass Bottle](https://m.media-amazon.com/images/I/41u15QTKwZL.jpg)**Methylene Blue Drops 3 fl oz 2%-USP/Pharmaceutical Grade 99.99% Pure Solution Third-Party Tested No Formaldehyde Glass Bottle**IROVV**$10.21**53 rev7mo ago](https://www.amazon.com/dp/B0GCDB59ZR) [![Methylene Blue Drops 5% 99.99% Purity USP Pharmaceutical Grade Solution for Humans No Formaldehyde & No Alcohol 4.06 OZ FL](https://m.media-amazon.com/images/I/41zDewfSyBL.jpg)**Methylene Blue Drops 5% 99.99% Purity USP Pharmaceutical Grade Solution for Humans No Formaldehyde & No Alcohol 4.06 OZ FL**Nootlyn**$24.24**505 rev8mo ago](https://www.amazon.com/dp/B0G43VKJ2F) [![Ultimate Methylene Blue Capsules 20mg - Memory Supplement for Brain Focus Fuel | Blue Methylene Pharmaceutical Grade - Energy and Focus Supplement | Energy Pills | 120 Servings](https://m.media-amazon.com/images/I/51bI0WKYmCL.jpg)**Ultimate Methylene Blue Capsules 20mg - Memory Supplement for Brain Focus Fuel | Blue Methylene Pharmaceutical Grade - Energy and Focus Supplement | Energy Pills | 120 Servings**Stanis Labs**$26.74**93 rev10mo ago](https://www.amazon.com/dp/B0FPGJ64Y8) [![Supreme Methylene Blue Drops 2% (USP Grade) | Brain Supplements For Memory and Focus Fuel | 3rd Party Tested & Ultra High Purity | USA Made Methylene Blue For Humans - 60 Servings 2 FL.OZ 1 Pack](https://m.media-amazon.com/images/I/51uB3y8+a1L.jpg)**Supreme Methylene Blue Drops 2% (USP Grade) | Brain Supplements For Memory and Focus Fuel | 3rd Party Tested & Ultra High Purity | USA Made Methylene Blue For Humans - 60 Servings 2 FL.OZ 1 Pack**Stanis Labs**$18.53**100 rev11mo ago](https://www.amazon.com/dp/B0FN4R13KC)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Methylene Blue Drops 3 fl oz 2%-USP/Pharmaceutical Grade 99.99% Pure Solution Third-Party Tested No Formaldehyde Glass Bottle](https://m.media-amazon.com/images/I/41u15QTKwZL.jpg)**Methylene Blue Drops 3 fl oz 2%-USP/Pharmaceutical Grade 99.99% Pure Solution Third-Party Tested No Formaldehyde Glass Bottle**IROVV**$10.21**4.4★**▲ 338%**](https://www.amazon.com/dp/B0GCDB59ZR) [![Ultimate Methylene Blue Capsules 20mg - Memory Supplement for Brain Focus Fuel | Blue Methylene Pharmaceutical Grade - Energy and Focus Supplement | Energy Pills | 120 Servings](https://m.media-amazon.com/images/I/51bI0WKYmCL.jpg)**Ultimate Methylene Blue Capsules 20mg - Memory Supplement for Brain Focus Fuel | Blue Methylene Pharmaceutical Grade - Energy and Focus Supplement | Energy Pills | 120 Servings**Stanis Labs**$26.74**4.4★**▲ 286%**](https://www.amazon.com/dp/B0FPGJ64Y8) [![Zemus Methylene Blue Drops 2% Pharmaceutical Grade USP Made in USA 99.9% Pure Liquid Solution for Human Use Lab Tested Cognitive Support - 120 mL (4.06 fl oz)](https://m.media-amazon.com/images/I/51wNz0VT6CL.jpg)**Zemus Methylene Blue Drops 2% Pharmaceutical Grade USP Made in USA 99.9% Pure Liquid Solution for Human Use Lab Tested Cognitive Support - 120 mL (4.06 fl oz)**ZEMUS**$23.20**2.8★**▲ 269%**](https://www.amazon.com/dp/B0FDVKNTLY) [![3% Methylene Blue Drops High Purity USP Pharmaceutical Grade Blue Methylene Liquid for Humans Cognitive & Focus Support No Alcohol No Formaldehyde 120 mL 4.06 FL OZ](https://m.media-amazon.com/images/I/41oDw2wLqZL.jpg)**3% Methylene Blue Drops High Purity USP Pharmaceutical Grade Blue Methylene Liquid for Humans Cognitive & Focus Support No Alcohol No Formaldehyde 120 mL 4.06 FL OZ**Someraze**$22.24**4.4★**▲ 229%**](https://www.amazon.com/dp/B0GR8L76MF) [![Ultimate Methylene Blue Pharmaceutical Grade 20mg (USP) Methylene Blue Capsules for Humans | Memory Supplement and Brain Booster Supplement | Focus Fuel and Memory Vitamins Energy Pills | 60 Servings](https://m.media-amazon.com/images/I/51SQDrqgmsL.jpg)**Ultimate Methylene Blue Pharmaceutical Grade 20mg (USP) Methylene Blue Capsules for Humans | Memory Supplement and Brain Booster Supplement | Focus Fuel and Memory Vitamins Energy Pills | 60 Servings**PureNutra**$17.06**4.3★**▲ 82%**](https://www.amazon.com/dp/B0F6FTBB8V)

**~~View all trending →~~**

## **What reviews say buyers love and hate about methylene blue 2%**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**25%

*“Amazing quality”*

**Focus Enhancement**10%

*“I was able to focus”*

**Value For Money**9%

*“Excellent value”*

**Ease Of Use**7%

*“Convenient to use”*

**Advertised Vs Actual Product**6%

*“Works as advertised”*

**Efficiency**6%

*“Keeps me feelin’ good.”*

**Energy Level**6%

*“energy level has improved”*

**Color**6%

*“Proper color and noticeable results”*

**Strength**3%

*“Powerful stuff”*

**Locally Manufactured**1%

*“manufacturing standards”*

### **What buyers complain about **

**Color**9%

*“Have had urine changes in color”*

**Advertised Vs Actual Product**7%

*“This is false advertising”*

**Value For Money**6%

*“Waste of money”*

**Stain Resistance**6%

*“It stains anything it touches”*

**Taste-Overall**6%

*“Nasty taste”*

**Functionality-Overall**5%

*“Does not work as well as oter brands”*

**Dosage**4%

*“Definitely not a 2% concentration, making dosing inaccurate and potentially dangerous”*

**Side Effects**4%

*“Adverse effect nausea/diarhea”*

**Quality-Overall**4%

*“Trash”*

**Ease Of Use**4%

*“Could not use”*

### **Top return reasons **

**Advertised Vs Actual Product**19%

**Leak-Proof**17%

**Functionality-Overall**13%

**Certifications**8%

**Instructions/User Manual/Troubleshooting**8%

**Defective Material/Parts**7%

**Color**5%

**Value For Money**3%

**Compatibility-Overall**3%

**Quality-Overall**2%

## **Common methylene blue 2% questions**

<dl>

<dt>**Is methylene blue 2% profitable to sell on Amazon United States?**</dt><dd>The niche generates $33K/yr across 18 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is -22.2%. Flapen's verdict: Worth a look (58/100).</dd>

<dt>**How competitive is the methylene blue 2% niche?**</dt><dd>15 brands and 17 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 62% of demand.</dd>

<dt>**What do buyers complain about in methylene blue 2%?**</dt><dd>Top complaints mined from reviews: Color, Advertised Vs Actual Product, Value For Money. The return rate is 0.4%.</dd>

<dt>**When does demand for methylene blue 2% peak?**</dt><dd>Demand peaks in Aug–Sep; the busiest month runs 2.8× the quietest.</dd>

<dt>**What does it cost to enter the methylene blue 2% niche?**</dt><dd>Listings span $10.21–$54.79; the average listing price is $28.22 (sweet spot $15–$100). The average incumbent carries 276 reviews — the moat a new listing must climb.</dd>

</dl>

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