adrenal cortex
Worth a lookShows low returns (0.0%), but a concentrated shelf (top 5 take 100% of clicks) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible14.3%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$27.60avg listing price — sweet spot $15–$100
Price range
Incredible$19.42–$48.47cheapest 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
Okay1,984avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%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
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.No pronounced peak months · busiest ÷ quietest = 1.5×
Top adrenal cortex search terms
- thorne adrenal cortex23K/yr
- just ingredients adrenal complex15K/yr
- thorne cortex adrenal support3K/yr
- adrenal support thorne4K/yr
- thorne cortisol4K/yr
- thorne cortisol manager5K/yr
- adrenal complex just ingredients3K/yr
- thorne adrenal support3K/yr
- thorne adrenal2K/yr
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.
All 4 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
THORNE - Adrenal Cortex - Supplement for Cortisol Management - Supports Healthy Adrenal Gland Function Stress Management Immune System Fatigue & Metabolism* - Third-Party Certified - 60 Capsules
THORNE$19.424.4★4,588 rev
THORNE - Stress Balance - Adrenal Support Supplement with B Vitamins Vitamin C Ashwagandha Ginseng & Zinc* - Third-Party Certified - Gluten Dairy & Soy-Free - 60 Capsules
THORNE$21.904.6★882 rev
JUST INGREDIENTS Magnesium Complex - Five Bioavailable Forms for Relaxation Sleep Mood Support - 60 Capsules
JUST INGREDIENTS$48.474.7★127 rev
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$20.624.5★2,339 rev
Newest
by launch dateJUST INGREDIENTS Magnesium Complex - Five Bioavailable Forms for Relaxation Sleep Mood Support - 60 Capsules
JUST INGREDIENTS$48.47127 rev
THORNE - Stress Balance - Adrenal Support Supplement with B Vitamins Vitamin C Ashwagandha Ginseng & Zinc* - Third-Party Certified - Gluten Dairy & Soy-Free - 60 Capsules
THORNE$21.90882 rev
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$20.622,339 rev
THORNE - Adrenal Cortex - Supplement for Cortisol Management - Supports Healthy Adrenal Gland Function Stress Management Immune System Fatigue & Metabolism* - Third-Party Certified - 60 Capsules
THORNE$19.424,588 rev
Trending
90-day click momentumJUST INGREDIENTS Magnesium Complex - Five Bioavailable Forms for Relaxation Sleep Mood Support - 60 Capsules
JUST INGREDIENTS$48.474.7★
THORNE - Adrenal Cortex - Supplement for Cortisol Management - Supports Healthy Adrenal Gland Function Stress Management Immune System Fatigue & Metabolism* - Third-Party Certified - 60 Capsules
THORNE$19.424.4★
THORNE - Stress Balance - Adrenal Support Supplement with B Vitamins Vitamin C Ashwagandha Ginseng & Zinc* - Third-Party Certified - Gluten Dairy & Soy-Free - 60 Capsules
THORNE$21.904.6★
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$20.624.5★
What buyers say about adrenal cortex
What buyers praise and complain about, mined from review topics.What buyers love
“Great quality, love all of just ingredients supplements”
“Helps you sleep”
“very useful and effective vitamins”
“best absorbed magnesium that I have found”
“Energy and Alertness”
“They really help regulate cortisol”
“Works well”
“These also have a stronger concentration than the others like it”
“Product was as expected”
“Clean ingredients”
What buyers complain about
“Side Effects Aren't Worth It”
“Destroyed my sleep”
“Didnt work for me”
“Terrible for you stomach”
“The challenge for me is that Im taking several other supplements at the same time”
“this product costs nearly twice as much as my previous magnesium supplement”
“My blood tests came back showing extreme inflammation”
“beware impacts immune system”
“I kept it up, for a couple of days, then weeks, then months, all for me to end up overstimulated, tired, and unproductive”
“I had high hopes for this supplement :”
Top return reasons
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.