---
title: "Brain — $918K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/brain"
last_updated: "2026-08-10T12:03:47.612Z"
locale: en
meta:
description: "Niche score 50/100 · $918K/yr market. Brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · $918K/yr market. Brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Brain — $918K/yr Amazon US Niche (2026) - Flapen"
---
# **brain**
**Worth a look**
Shows low returns (0.1%), but brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list.
Market size 76Growth 14Conversion 40Competition 22Returns 99Price range 95Avg price 94Brand share 6Review moat 24Quality gap 84
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Price range**
**Incredible****$16.05–$73.72**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$48.26**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Market size**
**Great****$918K**
$918K/yr · 598K searches
**Conversion**
**Okay****3.2%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****5,642.67**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****74%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-21.8%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****98%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, brain is a $918K/yr Amazon United States market (598K searches/yr). The top 5 brands hold 98% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **brain market data**
- **Units sold / yr**
- **25K–30K**
- avg 4,000–5,000/product
- **Revenue / yr**
- **$1.2M–$1.4M**
- units × avg price
- **Conversion rate**
- **3.2%**
- **Avg BSR**
- **#217**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **151 days**
## **Competition & brand share**
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▲rising
**Sellers**
**31**
**Top-5 brand share**
**98%**
Top 20: 100%
**Top-5 click share**
**74%**
Top 20: 100%
**Open market**
**0%**
- Stonehenge Health82% - Merhoff & Larkin7% - Ancestral Supplements4% - Natures Craft3% - Nature's Peak2% - NEURIVA2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -21.8% search growth over the last 90 days.
13K8KSpike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/health-household/brain/trend)
## **Top brain search terms**
- **brain**282K/yr-9.1%0.2% conv. - **stonehenge health dynamic brain**109K/yr-45.9%11.2% conv. - **stonehenge health**51K/yr-9.3%4.4% conv. - **stonehenge**31K/yr+7.7%2.5% conv. - **dynamic brain**17K/yr-18.4%9.0% conv. - **dynamic brain memory supplement**70K/yr-77.2%4.0% conv. - **cerebro**11K/yr-7.3%0.3% conv. - **dynamic brain stonehenge**6K/yr+63.6%9.4% conv. - **beef brain**7K/yr-1.7%2.8% conv. - **stonehenge dynamic brain**4K/yr-24.9%12.5% conv. [**All search terms **](https://flapen.com/research/us/health-household/brain/search-terms)
## **Top brain products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%15%$138K30%$275K45%$413K60%$551K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Stonehenge Health Dynamic Brain BacoMind Bacopa Monnieri Nootropic Memory Recall & Retention 40 Brain-Boosting Ingredients Phosphatidylserine Huperzine A DHA & Choline Non-GMO 60 Caps**Stonehenge Health**$56.10**4.3★1,723 rev](https://www.amazon.com/dp/B0DCWYJFPH) [2**Stonehenge Health Dynamic Mushrooms 1 400 mg Per Serving 5 Mushroom Complex (Lions Mane Reishi Chaga Maitake Shiitake) 100% Fruiting Bodies No Mycelium Brain Memory & Immune Support 60 Caps**Stonehenge Health**$52.05**4.3★2,163 rev](https://www.amazon.com/dp/B08GL4MJ2C) [3**Cross Section Foam Brain Model | Free Stand Answer Sheet & Digital Worksheet | Educational Tool Learning & Teaching Human Anatomical Function Psychology Biology or Science | 2 Labeled Half Pieces**Merhoff & Larkin**$24.89**4.3★646 rev](https://www.amazon.com/dp/B0BPLQKFWK) [4**Stonehenge Health Dynamic Joint Health Supplement AprsFlex Boswellia Serrata Fast-Acting Joint Support & Comfort MSM Multi-Type Collagen Turmeric Bromelain Vitamins C & D3 | 60 Capsules**Stonehenge Health**$64.13**4.0★747 rev](https://www.amazon.com/dp/B0D87RMWBR) [5**Stonehenge Health Dynamic Nerve Supplement - Supports Nerve Function in Fingers Toes Hands and Feet with Alpha Lipoic Acid ALA Benfotiamine Pea Robust B Complex Boswellia**Stonehenge Health**$54.56**3.9★1,384 rev](https://www.amazon.com/dp/B0C953ZX7S)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Stonehenge Health Dynamic Calm - 600mg KSM-66 Ashwagandha with L-theanine Rhodiola Rosea Holy Basil and Magnesium Glycinate Daily Stress and Mood Support Non-GMO 60 Vegetarian Capsules**Stonehenge Health**$53.10**49 rev5mo ago](https://www.amazon.com/dp/B0GN4GCTWC) [**Stonehenge Health Dynamic GLP-1 Nutrition Support Supplement for Women Men 550mg Berbevis Berberine 10x Better Absorbed Akkermansia DNF-10 Capsifen Support Appetite Gut Health - 60 Veg Caps**Stonehenge Health**$73.72**77 rev9mo ago](https://www.amazon.com/dp/B0FR4XM2W1) [**Stonehenge Health for Women Menopause Support for Peri + Menopause + Post - Mood Energy Stress Hot Flashes Night Sweats Sleep & Cortisol Chromax Chromium Vitamin D3 KSM-66 Ashwagandha**Stonehenge Health**$57.18**344 rev1y ago](https://www.amazon.com/dp/B0DKB2SMQS) [**Stonehenge Health Dynamic Brain BacoMind Bacopa Monnieri Nootropic Memory Recall & Retention 40 Brain-Boosting Ingredients Phosphatidylserine Huperzine A DHA & Choline Non-GMO 60 Caps**Stonehenge Health**$56.10**1,723 rev1y ago](https://www.amazon.com/dp/B0DCWYJFPH) [**Stonehenge Health Dynamic Joint Health Supplement AprsFlex Boswellia Serrata Fast-Acting Joint Support & Comfort MSM Multi-Type Collagen Turmeric Bromelain Vitamins C & D3 | 60 Capsules**Stonehenge Health**$64.13**747 rev2y ago](https://www.amazon.com/dp/B0D87RMWBR)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Stonehenge Health Dynamic Calm - 600mg KSM-66 Ashwagandha with L-theanine Rhodiola Rosea Holy Basil and Magnesium Glycinate Daily Stress and Mood Support Non-GMO 60 Vegetarian Capsules**Stonehenge Health**$53.10**4.4★**▲ 482%**](https://www.amazon.com/dp/B0GN4GCTWC) [**Nootropic Brain Supplement for Memory and Focus Support - Vitamins for Mental Support & Clarity with Bacopa Monnieri VIT A B6 Riboflavin Niacin Thiamin & Folate - Cognitive Complex - 90 Count**Natures Craft**$23.69**4.3★**▲ 190%**](https://www.amazon.com/dp/B0745KCWLC) [**NEURIVA Plus Brain Supplements for Memory and Focus Clinically Tested Nootropics Neurofactor and Phosphatidylserine with Vitamin B12 Vitamin B6 and Folic Acid 30 Count Capsules**NEURIVA**$36.84**4.3★**▲ 66%**](https://www.amazon.com/dp/B07PBZRDJN) [**Stonehenge Health for Women Menopause Support for Peri + Menopause + Post - Mood Energy Stress Hot Flashes Night Sweats Sleep & Cortisol Chromax Chromium Vitamin D3 KSM-66 Ashwagandha**Stonehenge Health**$57.18**4.0★**▲ 34%**](https://www.amazon.com/dp/B0DKB2SMQS) [**Ancestral Supplements Grass Fed Beef Brain Supplement with Beef Liver Whole Food Brain Support Promotes Brain Mood and Memory Health Brain and Liver Health Formula Capsules Non-GMO 180 Capsules**Ancestral Supplements**$66.79**4.6★**▲ 29%**](https://www.amazon.com/dp/B0756S6YGF)
**~~View all trending →~~**
## **What buyers say about brain**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**15%
*“Overall, it seems like a decent option ingredient wise,”*
**Focus Enhancement**13%
*“Helps with focus and concentration”*
**Joint Pain**11%
*“Seems to help with joint pain”*
**Efficiency**9%
*“its doing a great job”*
**Advertised Vs Actual Product**6%
*“Just as advertised”*
**Vitamin**5%
*“Superb Supplement”*
**Ingredients-Overall**4%
*“great ingredients”*
**Ease Of Use**3%
*“Ease of Use”*
**Value For Money**3%
*“worth it”*
**Energy Level**3%
*“The energy level is really worth every bit of it”*
### **What buyers complain about **
**Value For Money**17%
*“Too expensive”*
**Functionality-Overall**17%
*“No results with this product”*
**Side Effects**8%
*“Terrible dude effects”*
**Dosage**4%
*“I was short in the amount of pills by 6. I know this is a minimal amount”*
**Acid Regulator/Stomach Ache Relief**4%
*“My stomach felt a tad upset”*
**Vitamin**4%
*“Too much Vitamin B. Be careful when taking this supplement”*
**Joint Pain**4%
*“this EXPENSIVE supplement did NOTHING for my joint pain”*
**Weight Loss**3%
*“no weight loss”*
**Pain Relief-Overall**3%
*“started noticing back pain”*
**Size-Overall**3%
*“Small”*
### **Top return reasons **
**Size-Overall**21%
**Advertised Vs Actual Product**14%
**Functionality-Overall**7%
**Value For Money**7%
**Quality-Overall**6%
**Defective Material/Parts**6%
**Side Effects**5%
**Joint Pain**4%
**Adhesion/Stickiness**4%
**Material Quality**4%
## **Common questions**
- **Is brain profitable to sell on Amazon United States?**
- The niche generates $918K/yr across 12 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -21.8%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the brain niche?**
- 6 brands and 31 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 98% of demand.
- **What do buyers complain about in brain?**
- Top complaints mined from reviews: Value For Money, Functionality-Overall, Side Effects. The return rate is 0.1%.
- **When does demand for brain peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the brain niche?**
- Listings span $16.05–$73.72; the average listing price is $48.26 (sweet spot $15–$100). The average incumbent carries 5,643 reviews — the moat a new listing must climb.
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