---
title: "Adrenal Cortex — $248K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/adrenal-cortex"
last_updated: "2026-08-05T21:24:05.738Z"
locale: en
meta:
description: "Niche score 50/100 · $248K/yr market · 63K searches/yr. A concentrated shelf (top 5 take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · $248K/yr market · 63K searches/yr. A concentrated shelf (top 5 take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Adrenal Cortex — $248K/yr Amazon US Niche (2026) - Flapen"
---
# **adrenal cortex**
**Worth a look**
Shows low returns (0.0%), but a concentrated shelf (top 5 take 100% of clicks) keeps it on the watch list.
Market size 46Growth 53Conversion 96Competition 0Returns 100Price range 95Avg price 95Brand share 0Review moat 45Quality gap 33
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****14.3%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$27.60**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$19.42–$48.47**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+24.5%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$248K**
$248K/yr · 63K searches
**Review moat**
**Okay****1,984**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, adrenal cortex is a $248K/yr Amazon United States market (63K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **adrenal cortex market data**
- **Units sold / yr**
- **8K–10K**
- avg 2,000–2,500/product
- **Revenue / yr**
- **$221K–$276K**
- units × avg price
- **Conversion rate**
- **14.3%**
- **Avg BSR**
- **#497**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **75%**
- **Out of stock**
- **5.8%**
- **Avg brand age**
- **90 months**
- **Avg seller age**
- **152 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **▲rising
**Sellers**
**4**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- THORNE90% - JUST INGREDIENTS5% - Pure Encapsulations5% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 98 weeks — +24.5% search growth over the last 90 days.
2K1KSpike '24Prime Day '25Spike '25 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/health-household/adrenal-cortex/trend)
## **Top adrenal cortex search terms**
- **thorne adrenal cortex**23K/yr+6.2%26.1% conv. - **just ingredients adrenal complex**15K/yr+65.2%1.1% conv. - **thorne cortex adrenal support**3K/yr+89.5%0.9% conv. - **adrenal support thorne**4K/yr+86.1%1.1% conv. - **thorne cortisol**4K/yr+7.3%7.7% conv. - **thorne cortisol manager**5K/yr-9.3%8.2% conv. - **adrenal complex just ingredients**3K/yr+72.7%1.3% conv. - **thorne adrenal support**3K/yr-9.2%15.1% conv. - **thorne adrenal**2K/yr+12.6%19.8% conv. [**All search terms **](https://flapen.com/research/us/health-household/adrenal-cortex/search-terms)
## **Top adrenal cortex 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%25%$62K50%$124K75%$186K100%$248K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 4 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**THORNE - Adrenal Cortex - Supplement for Cortisol Management - Supports Healthy Adrenal Gland Function Stress Management Immune System Fatigue & Metabolism* - Third-Party Certified - 60 Capsules**THORNE**$19.42**4.4★4,588 rev](https://www.amazon.com/dp/B000FGWDAY) [2**THORNE - Stress Balance - Adrenal Support Supplement with B Vitamins Vitamin C Ashwagandha Ginseng & Zinc* - Third-Party Certified - Gluten Dairy & Soy-Free - 60 Capsules**THORNE**$21.90**4.6★882 rev](https://www.amazon.com/dp/B002BKW2FS) [3**JUST INGREDIENTS Magnesium Complex - Five Bioavailable Forms for Relaxation Sleep Mood Support - 60 Capsules**JUST INGREDIENTS**$48.47**4.7★127 rev](https://www.amazon.com/dp/B0FK6K63TR) [4**Pure Encapsulations Adrenal Cortex Supplement Supplement to Support Cortisol Health Energy Levels Stress Moderation and Gland Function with Bovine Whole Adrenal & Cortex 60 Capsules***Pure Encapsulations**$20.62**4.5★2,339 rev](https://www.amazon.com/dp/B000Z94WAK)
### **Newest**
by launch date
[**JUST INGREDIENTS Magnesium Complex - Five Bioavailable Forms for Relaxation Sleep Mood Support - 60 Capsules**JUST INGREDIENTS**$48.47**127 rev12mo ago](https://www.amazon.com/dp/B0FK6K63TR) [**THORNE - Stress Balance - Adrenal Support Supplement with B Vitamins Vitamin C Ashwagandha Ginseng & Zinc* - Third-Party Certified - Gluten Dairy & Soy-Free - 60 Capsules**THORNE**$21.90**882 rev18y ago](https://www.amazon.com/dp/B002BKW2FS) [**Pure Encapsulations Adrenal Cortex Supplement Supplement to Support Cortisol Health Energy Levels Stress Moderation and Gland Function with Bovine Whole Adrenal & Cortex 60 Capsules***Pure Encapsulations**$20.62**2,339 rev18y ago](https://www.amazon.com/dp/B000Z94WAK) [**THORNE - Adrenal Cortex - Supplement for Cortisol Management - Supports Healthy Adrenal Gland Function Stress Management Immune System Fatigue & Metabolism* - Third-Party Certified - 60 Capsules**THORNE**$19.42**4,588 rev21y ago](https://www.amazon.com/dp/B000FGWDAY)
### **Trending**
90-day click momentum
[**JUST INGREDIENTS Magnesium Complex - Five Bioavailable Forms for Relaxation Sleep Mood Support - 60 Capsules**JUST INGREDIENTS**$48.47**4.7★**▲ 14%**](https://www.amazon.com/dp/B0FK6K63TR) [**THORNE - Adrenal Cortex - Supplement for Cortisol Management - Supports Healthy Adrenal Gland Function Stress Management Immune System Fatigue & Metabolism* - Third-Party Certified - 60 Capsules**THORNE**$19.42**4.4★**— 2%**](https://www.amazon.com/dp/B000FGWDAY) [**THORNE - Stress Balance - Adrenal Support Supplement with B Vitamins Vitamin C Ashwagandha Ginseng & Zinc* - Third-Party Certified - Gluten Dairy & Soy-Free - 60 Capsules**THORNE**$21.90**4.6★**▼ 10%**](https://www.amazon.com/dp/B002BKW2FS) [**Pure Encapsulations Adrenal Cortex Supplement Supplement to Support Cortisol Health Energy Levels Stress Moderation and Gland Function with Bovine Whole Adrenal & Cortex 60 Capsules***Pure Encapsulations**$20.62**4.5★**▼ 24%**](https://www.amazon.com/dp/B000Z94WAK)
## **What buyers say about adrenal cortex**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**13%
*“Great quality, love all of just ingredients supplements”*
**Sleep Quality**10%
*“Helps you sleep”*
**Vitamin**8%
*“very useful and effective vitamins”*
**Magnesium**8%
*“best absorbed magnesium that I have found”*
**Energy Level**7%
*“Energy and Alertness”*
**Hormonal Balance**6%
*“They really help regulate cortisol”*
**Efficiency**5%
*“Works well”*
**Focus Enhancement**5%
*“These also have a stronger concentration than the others like it”*
**Advertised Vs Actual Product**4%
*“Product was as expected”*
**Ingredients-Overall**4%
*“Clean ingredients”*
### **What buyers complain about **
**Side Effects**16%
*“Side Effects Aren't Worth It”*
**Sleep Quality**14%
*“Destroyed my sleep”*
**Functionality-Overall**10%
*“Didnt work for me”*
**Acid Regulator/Stomach Ache Relief**8%
*“Terrible for you stomach”*
**Dosage**8%
*“The challenge for me is that Im taking several other supplements at the same time”*
**Value For Money**6%
*“this product costs nearly twice as much as my previous magnesium supplement”*
**Inflammation**4%
*“My blood tests came back showing extreme inflammation”*
**Immunity Booster**4%
*“beware impacts immune system”*
**Stress/Anxiety**4%
*“I kept it up, for a couple of days, then weeks, then months, all for me to end up overstimulated, tired, and unproductive”*
**Vitamin**3%
*“I had high hopes for this supplement :”*
### **Top return reasons **
**Vitamin**33%
**Functionality-Overall**33%
**Dosage**33%
## **Common questions**
- **Is adrenal cortex profitable to sell on Amazon United States?**
- The niche generates $248K/yr across 4 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +24.5%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the adrenal cortex niche?**
- 3 brands and 4 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in adrenal cortex?**
- Top complaints mined from reviews: Side Effects, Sleep Quality, Functionality-Overall. The return rate is 0.0%.
- **When does demand for adrenal cortex peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the adrenal cortex niche?**
- Listings span $19.42–$48.47; the average listing price is $27.60 (sweet spot $15–$100). The average incumbent carries 1,984 reviews — the moat a new listing must climb.
## **Related niches in Health & Household**
- 76 [**cedar oil**](https://flapen.com/research/us/health-household/cedar-oil)$1.2M/yr+214.4%**Launch it**- 77 [**nutrapure glp1 cutting mix**](https://flapen.com/research/us/health-household/nutrapure-glp1-cutting-mix)$149K/yr+940.2%**Worth a look**- 77 [**dexcom g7**](https://flapen.com/research/us/health-household/dexcom-g7)$2.0M/yr+39.9%**Launch it**- 77 [**purelia**](https://flapen.com/research/us/health-household/purelia)$635K/yr+359.7%**Worth a look**- 77 [**graduation napkins**](https://flapen.com/research/us/health-household/graduation-napkins)$302K/yr+385.7%**Worth a look**- 77 [**credit card wand**](https://flapen.com/research/us/health-household/credit-card-wand)$418K/yr+101.3%**Worth a look**[**All Health & Household niches **](https://flapen.com/research/us/health-household)