---
title: "Rethes — $1.3M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/rethes"
last_updated: "2026-08-11T17:36:59.572Z"
locale: en
meta:
description: "Niche score 52/100 · $1.3M/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $1.3M/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Rethes — $1.3M/yr Amazon US Niche (2026) - Flapen"
---
# **rethes**
**Worth a look**
Shows low returns (0.0%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Market size 84Growth 9Conversion 75Competition 18Returns 100Price range 88Avg price 95Brand share 0Review moat 41Quality gap 62
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$26.28**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$11.94–$48.35**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Great****$1.3M**
$1.3M/yr · 732K searches
**Conversion**
**Good****7.0%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****2,388.06**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****78%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-31.0%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, rethes is a $1.3M/yr Amazon United States market (732K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Oct. Verdict: Worth a look — 52/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **rethes market data**
- **Units sold / yr**
- **60K–80K**
- avg 5,000–6,000/product
- **Revenue / yr**
- **$1.6M–$2.1M**
- units × avg price
- **Conversion rate**
- **7.0%**
- **Avg BSR**
- **#278**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **94%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **158 days**
## **Competition & brand share**
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▲rising
**Sellers**
**12**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**78%**
Top 20: 100%
**Open market**
**0%**
- Clean Nutraceuticals89% - Vortexonix4% - ONAISE3% - NEW AGE2% - Herb Pharm1%
## **Demand & seasonality**
Weekly Amazon search volume, last 60 weeks — -31.0% search growth over the last 90 days.
25K15KSpike '25Spike '26 seasonJunJulAugSepOctNovDecJanFebMarAprMayJunJul
Peak months: Aug, Oct · busiest ÷ quietest = 2.8×
[**Open Trend **](https://flapen.com/research/us/health-household/rethes/trend)
## **Top rethes search terms**
- **clean nutra**210K/yr+1.0%5.5% conv. - **clean nutra liquid drops**109K/yr-28.7%6.2% conv. - **cayenne pepper drops**169K/yr-41.8%5.8% conv. - **vascu flow**20K/yr+6.6%2.2% conv. - **onaise cayenne drops**36K/yr-76.3%8.8% conv. - **vascuflow cayenne pepper drops**41K/yr-63.1%10.8% conv. - **vitalia**16K/yr-11.9%0.3% conv. - **onaise**14K/yr-64.8%6.4% conv. - **cayenne pepper hawthorn beet root turmeric vitamin k2 d3**24K/yr-48.7%5.2% conv. - **vitalia cayenne pepper supplement**23K/yr-75.3%0.4% conv. [**All search terms **](https://flapen.com/research/us/health-household/rethes/search-terms)
## **Top rethes 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%10%$134K20%$268K30%$402K40%$536K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Creatine for Women | Creatine Monohydrate + BCAA Powder Myo-Inositol Collagen Biotin Hyaluronic Acid Folate L Glutamine Vitamin D3 Iron Zinc D-Chiro-Maca Digestion Shelf Builder By Clean Nutra**Clean Nutraceuticals**$29.57**4.4★3,644 rev](https://www.amazon.com/dp/B0DJDQCJX2) [2**Clean Nutra Cayenne Pepper Drops Supplement Liquid + Hawthorn Berry Vitamin D3 K2 Beet Root Powder Ceylon Cinnamon Turmeric Curcumin Organic Panax Ginseng Berberine Extract 1 Pack**Clean Nutraceuticals**$27.79**4.4★7,233 rev](https://www.amazon.com/dp/B0D7537K4Z) [3**Clean Nutra Berberine with Ceylon Cinnamon Supplement Liquid Drops + Bitter Melon Extract Glucomannan Gymnema Chromium Turmeric Organic Panax Ginseng Moringa**Clean Nutraceuticals**$28.52**4.4★5,298 rev](https://www.amazon.com/dp/B0D75VX5ML) [4**Clean Nutra Organic Maca Root Liquid Drops with Ashwagandha Fenugreek Beet Root and L-Arginine Liquid Multivitamin for Women and Men - Adapto Drive**Clean Nutraceuticals**$26.78**4.4★2,544 rev](https://www.amazon.com/dp/B0DH5XW5C1) [5**para Defend Wormwood Black Walnut Cleanse for Humans Drops Liquid Soursop Garlic Pumpkin Seed PAU DArco Oil of Oregano Turmeric Berberine Neem Extract Hull Bark Tincture by Clean Nutra**Clean Nutraceuticals**$26.23**4.4★4,091 rev](https://www.amazon.com/dp/B0D75PSYZV)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**ONAISE Cayenne Drops Plant-Based Liquid Wellness Blend with Beetroot Hawthorn Turmeric and Vitamins D3 K2 Clean Daily Routine Formula for Balanced Lifestyle (1)**ONAISE**$24.86**32 rev5mo ago](https://www.amazon.com/dp/B0GLG35ZC3) [**Clean Nutra Wormwood Black Walnut Pumpkin Seed Clove Oil Celery Garlic Grape Papaya Neem Diatomaceous Earth Womens Probiotic Gut Health Cleanse Detox Oregano Olive Turmeric Supplement Vegan Capsules**Clean Nutraceuticals**$28.43**850 rev1y ago](https://www.amazon.com/dp/B0FBKPFGYS) [**Clean Nutra Chlorophyll Capsules + Peppermint Slippery Elm Spirulina Chlorella Fenugreek Ashwagandha Sea Moss Supplement Ph Balance for Women Detox Internal Deodorant Supplement + Prebiotics 60 Ct**Clean Nutraceuticals**$28.12**300 rev1y ago](https://www.amazon.com/dp/B0FBJTKFQ8) [**Cayenne Pepper Drops Liquid Cayenne Pepper Organic Cayenne Health Supplements Cayenne Pepper Hawthorn Beet Root Turmeric Curcumin Vitamin K2 & D3 Vegan-Friendly- 2 Fl Oz**Vortexonix**$11.94**364 rev1y ago](https://www.amazon.com/dp/B0F9L5ZXQ6) [**2 Pack Cayenne Pepper Drops Liquid Cayenne Pepper Organic Cayenne Health Supplements Cayenne Pepper Hawthorn Beet Root Turmeric Curcumin Vitamin K2 & D3 Vegan-Friendly**Vortexonix**$18.09**287 rev1y ago](https://www.amazon.com/dp/B0F9NKD94H)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**ONAISE Cayenne Drops Plant-Based Liquid Wellness Blend with Beetroot Hawthorn Turmeric and Vitamins D3 K2 Clean Daily Routine Formula for Balanced Lifestyle (1)**ONAISE**$24.86**3.8★**▲ 298%**](https://www.amazon.com/dp/B0GLG35ZC3) [**Clean Nutra Chlorophyll Capsules Supplement Internal Deodorant Peppermint Sea Moss Parsley Chlorella Spirulina Slippery Elm Ashwagandha PhytoFresh Greens Detox Pills**Clean Nutraceuticals**$28.70**4.5★**▲ 196%**](https://www.amazon.com/dp/B0DJDNTY11) [**Clean Nutra Chlorophyll Capsules + Peppermint Slippery Elm Spirulina Chlorella Fenugreek Ashwagandha Sea Moss Supplement Ph Balance for Women Detox Internal Deodorant Supplement + Prebiotics 60 Ct**Clean Nutraceuticals**$28.12**4.5★**▲ 181%**](https://www.amazon.com/dp/B0FBJTKFQ8) [**Clean Nutra Wormwood Black Walnut Pumpkin Seed Clove Oil Celery Garlic Grape Papaya Neem Diatomaceous Earth Womens Probiotic Gut Health Cleanse Detox Oregano Olive Turmeric Supplement Vegan Capsules**Clean Nutraceuticals**$28.43**4.6★**▲ 143%**](https://www.amazon.com/dp/B0FBKPFGYS) [**Clean Nutra Cortisol Supplements For Women | Maca Root Ashwagandha Cortisol Detox Manager Reducer + Slippery Elm Fenugreek Lions Mane Shilajit Rhodiola Sea Moss Tongkat Ali Cordyceps Ginseng Beet Root**Clean Nutraceuticals**$27.09**4.4★**▲ 95%**](https://www.amazon.com/dp/B0DLLS1PJP)
**~~View all trending →~~**
## **What buyers say about rethes**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Taste-Overall**19%
*“Good taste”*
**Quality-Overall**14%
*“EXCELLENT QUALITY”*
**Efficiency**5%
*“Worked extremely well”*
**Energy Level**4%
*“Great energy”*
**Blood Sugar Level**4%
*“I take to help keep sugar down”*
**Advertised Vs Actual Product**4%
*“As described”*
**Flavor**3%
*“Balanced flavors”*
**Weight Loss**3%
*“My Dr is pleased by the slow weight loss as he says it will stay off better”*
**Value For Money**3%
*“Good value for the money”*
**Ease Of Use**2%
*“Easy to Take”*
### **What buyers complain about **
**Taste-Overall**13%
*“taste gross”*
**Functionality-Overall**11%
*“No results”*
**Side Effects**5%
*“Made me sick”*
**Value For Money**4%
*“Not worth it”*
**Blood Sugar Level**4%
*“No effect on my blood sugar”*
**Advertised Vs Actual Product**4%
*“Product is deceptive”*
**Flavor**3%
*“Maybe the flavoring is inconsistent bottle to bottle”*
**Dosage**3%
*“The real problem here is that the dosage is 100mg - for this to be effective you need to take a least 1500mg a day - this product does not offer this so this ends up doing nothing”*
**Acid Regulator/Stomach Ache Relief**2%
*“Bloating”*
**Smell**2%
*“smells horrible”*
### **Top return reasons **
**Functionality-Overall**20%
**Ingredients-Overall**11%
**Advertised Vs Actual Product**10%
**Taste-Overall**9%
**Leak-Proof**8%
**Value For Money**6%
**Heart Health**4%
**Thickness**3%
**Flavor**3%
**Color**2%
## **Common questions**
- **Is rethes profitable to sell on Amazon United States?**
- The niche generates $1.3M/yr across 16 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -31.0%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the rethes niche?**
- 5 brands and 12 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in rethes?**
- Top complaints mined from reviews: Taste-Overall, Functionality-Overall, Side Effects. The return rate is 0.0%.
- **When does demand for rethes peak?**
- Demand peaks in Aug–Oct; the busiest month runs 2.8× the quietest.
- **What does it cost to enter the rethes niche?**
- Listings span $11.94–$48.35; the average listing price is $26.28 (sweet spot $15–$100). The average incumbent carries 2,388 reviews — the moat a new listing must climb.
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