---
title: "Methylene Blue Capsules — $39K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/methylene-blue-capsules"
last_updated: "2026-08-12T12:38:40.412Z"
locale: en
meta:
description: "Amazon product research for methylene blue capsules: $39K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for methylene blue capsules: $39K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Methylene Blue Capsules — $39K/mo Amazon US Product Research"
---
# **Methylene Blue Capsules**
**Worth a look**
Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 58Growth 14Conversion 83Competition 37Returns 100Price range 91Avg price 95Brand share 46Review moat 77Quality gap 62
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$27.92**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$13.09–$49.62**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****9.1%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Great****459.06**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****$463K**
$463K/yr · 182K searches
**Brand share**
**Okay****77%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****63%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-22.5%**
90-day search growth — must beat 0% to launch
## **Is methylene blue capsules profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, methylene blue capsules is a $463K/yr Amazon United States market (182K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Sep. Verdict: Worth a look — 59/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **methylene blue capsules market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **13K–15K**
- avg 750–1,000/product
- **Revenue / yr**
- **$349K–$419K**
- units × avg price
- **Conversion rate**
- **9.1%**
- **Avg BSR**
- **#855**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **4.9%**
- **Avg brand age**
- **15 months**
- **Avg seller age**
- **173 days**
## **Competition: brands, sellers & click share**
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **—flat
**Sellers**
**15**
**Top-5 brand share**
**77%**
Top 20: 100%
**Top-5 click share**
**63%**
Top 20: 100%
**Open market**
**16%**
- Nutricel Supplements33% - CDE14% - PureNutra14% - Bluesun9% - Chemist Labs7% - Lunakai7% - Open — no brand owns it (6 brands, 16%)
## **methylene blue capsules demand & seasonality**
Weekly Amazon search volume, last 99 weeks — -22.5% search growth over the last 90 days.
25K15KSpike '24Spike '25 seasonSepDecMarJunAugNovMarMay
Peak months: Sep · busiest ÷ quietest = 5.4×
[**Open Trend **](https://flapen.com/research/us/health-household/methylene-blue-capsules/trend)
## **Top methylene blue capsules search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **methylene blue capsules**104K/yr-13.5%4.5% conv. - **methylene blue pills**19K/yr-31.4%5.9% conv. - **methylene blue tablets**16K/yr-22.2%3.5% conv. - **methylene blue capsules pharmaceutical grade**10K/yr-36.0%7.3% conv. - **blue boost**4K/yr+10.6%28.4% conv. - **blue boost methylene blue**6K/yr-35.8%23.5% conv. - **methylene blue supplements capsules**4K/yr-74.3%4.5% conv. - **nutricel methylene blue**3K/yr-16.1%14.2% conv. - **methylene blue pharmaceutical grade capsules**8K/yr-53.4%3.6% conv. - **methylene blue capsule**4K/yr-23.8%3.2% conv. [**All search terms **](https://flapen.com/research/us/health-household/methylene-blue-capsules/search-terms)
## **Top methylene blue capsules 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%10%$46K20%$93K30%$139K40%$185K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Nutricel Supplements Methylene Blue Capsules - Pharmaceutical Grade Supplement - Made in America - 12mg (USP Grade) with Vitamin C Ester Enhanced Absorption - Third Party Tested (60ct)**Nutricel Supplements**$32.09**4.3★1,684 rev](https://www.amazon.com/dp/B0CQMY4JPW) [2**CDE Methylene Blue Capsules 30mg - Made in USA 90 Days Supply - Pharmaceutical CDEMBC USP Grade Third Party Lab Tested Formaldehyde-Free Non-GMO - Cellular & Cognitive Support**CDE**$18.65**4.4★168 rev](https://www.amazon.com/dp/B0GQYZQX49) [3**Bluesun Methylene Blue Capsules - USP Grade Made in USA 3rd Party Tested - Pharmaceutical Grade 12mg with Vitamin C Ester Supplement for Mitochondrial Function - No Stain 90 Day Supply**Bluesun**$14.64**4.2★2,271 rev](https://www.amazon.com/dp/B0F2MJJ7TW) [4**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 | 120 Servings**PureNutra**$25.73**4.3★466 rev](https://www.amazon.com/dp/B0F7HLDZ2P) [5**Lunakai USA Made USP Grade Methylene Blue Capsules with Vitamin C B6 B12 3rd-Party Tested Daily Wellness Support Supplement 60ct**Lunakai**$22.73**4.4★348 rev](https://www.amazon.com/dp/B0FS965V4Q)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Methylene Blue Capsules USP Grade1% High Purity Formula with Vitamin C Ester Natural Energy & Antioxidant Support Third Party Tested 60 Capsules**NeoMethis**$19.17**24 rev2mo ago](https://www.amazon.com/dp/B0H121F663) [**Itharoventis Methylene Blue Pharmaceutical Grade Capsules USP Grade Supplement with CoQ10 NAC PQQ Glycine & Vitamin C Capsule Format No Formaldehyde 60 Count**Itharoventis**$24.35**19 rev2mo ago](https://www.amazon.com/dp/B0GYS5MHWZ) [**CDE Methylene Blue Capsules 30mg - Made in USA 90 Days Supply - Pharmaceutical CDEMBC USP Grade Third Party Lab Tested Formaldehyde-Free Non-GMO - Cellular & Cognitive Support**CDE**$18.65**168 rev3mo ago](https://www.amazon.com/dp/B0GQYZQX49) [**ZAB Pharmaceutical Grade Supplement Methylene Blue Capsules Brain Supplement for Humans with Vitamin C & B Complex Blue Methylene 10 mg per Capsules Memory Clarity & Cognitive Support**ZAB**$13.09**53 rev5mo ago](https://www.amazon.com/dp/B0FHQSBT57) [**Lunakai USA Made USP Grade Methylene Blue Capsules with Vitamin C B6 B12 3rd-Party Tested Daily Wellness Support Supplement 60ct**Lunakai**$22.73**348 rev7mo ago](https://www.amazon.com/dp/B0FS965V4Q)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Methylene Blue Capsules USP Grade1% High Purity Formula with Vitamin C Ester Natural Energy & Antioxidant Support Third Party Tested 60 Capsules**NeoMethis**$19.17**5.0★**▲ 355%**](https://www.amazon.com/dp/B0H121F663) [**Itharoventis Methylene Blue Pharmaceutical Grade Capsules USP Grade Supplement with CoQ10 NAC PQQ Glycine & Vitamin C Capsule Format No Formaldehyde 60 Count**Itharoventis**$24.35**4.6★**▲ 349%**](https://www.amazon.com/dp/B0GYS5MHWZ) [**CDE Methylene Blue Capsules 30mg - Made in USA 90 Days Supply - Pharmaceutical CDEMBC USP Grade Third Party Lab Tested Formaldehyde-Free Non-GMO - Cellular & Cognitive Support**CDE**$18.65**4.4★**▲ 337%**](https://www.amazon.com/dp/B0GQYZQX49) [**ZAB Pharmaceutical Grade Supplement Methylene Blue Capsules Brain Supplement for Humans with Vitamin C & B Complex Blue Methylene 10 mg per Capsules Memory Clarity & Cognitive Support**ZAB**$13.09**3.8★**▲ 218%**](https://www.amazon.com/dp/B0FHQSBT57) [**Ultimate Methylene Blue Capsule Form with Added Vitamin C Ester for Enhanced Absorption Brain Supplement Memory Focus Clarity Cognitive - Brain Booster Supplement Energy Pills | 240 Servings**PureNutra**$41.95**4.3★**▲ 110%**](https://www.amazon.com/dp/B0FH2NF49M)
**~~View all trending →~~**
## **What reviews say buyers love and hate about methylene blue capsules**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**20%
*“the clear focus on quality”*
**Focus Enhancement**8%
*“Absolutely improves your memory”*
**Energy Level**8%
*“Gave me energy”*
**Ease Of Use**7%
*“Easy to Take, Great Results”*
**Value For Money**7%
*“Great Value”*
**Advertised Vs Actual Product**6%
*“As described”*
**Dosage**5%
*“the dosage is convenient”*
**Ease Of Chewing/Swallowing**4%
*“The capsules are easy for me to take”*
**Efficiency**4%
*“Effectives”*
**Color**3%
*“Blue is true blue”*
### **What buyers complain about **
**Side Effects**10%
*“Too potent major headaches”*
**Dosage**10%
*“To high of dose to be sold”*
**Color**9%
*“these are a dirty-pale greenish-grey color. rather than the normal light blue color”*
**Functionality-Overall**7%
*“Doesn't live up to it's described behavior”*
**Value For Money**5%
*“However, its way too expensive for me”*
**Quality-Overall**4%
*“Nasty trash”*
**Smell**2%
*“And there is a weird lemon chemical smell”*
**Ingredients-Overall**2%
*“I will never put YouTube suggested chemicals in my body again”*
**Energy Level**2%
*“no energy - plus”*
**Sleep Quality**2%
*“I didnt notice anything different except I actually dont sleep very well even 15 hours after taking it”*
### **Top return reasons **
**Compatibility-Overall**40%
**Functionality-Overall**40%
**Certifications**10%
**Dosage**10%
## **Common methylene blue capsules questions**
- **Is methylene blue capsules profitable to sell on Amazon United States?**
- The niche generates $463K/yr across 17 tracked products. 6 of 8 products launched in the last 360 days are still selling. 90-day search growth is -22.5%. Flapen's verdict: Worth a look (59/100).
- **How competitive is the methylene blue capsules niche?**
- 12 brands and 15 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 77% of demand.
- **What do buyers complain about in methylene blue capsules?**
- Top complaints mined from reviews: Side Effects, Dosage, Color. The return rate is 0.0%.
- **When does demand for methylene blue capsules peak?**
- Demand peaks in Sep; the busiest month runs 5.4× the quietest.
- **What does it cost to enter the methylene blue capsules niche?**
- Listings span $13.09–$49.62; the average listing price is $27.92 (sweet spot $15–$100). The average incumbent carries 459 reviews — the moat a new listing must climb.
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