---
title: "Rhapontic Rhubarb Root Extract — $178K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/rhapontic-rhubarb-root-extract"
last_updated: "2026-08-11T20:47:18.127Z"
locale: en
meta:
description: "Niche score 47/100 · $178K/yr market · 50K searches/yr · $33.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $178K/yr market · 50K searches/yr · $33.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Rhapontic Rhubarb Root Extract — $178K/yr Amazon US Niche (2026) - Flapen"
---
# **rhapontic rhubarb root extract**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 36Growth 27Conversion 89Competition 3Returns 100Price range 95Avg price 95Brand share 0Review moat 25Quality gap 77
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$33.88**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$16.40–$93.60**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****10.4%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$178K**
$178K/yr · 50K searches
**Growth**
**Okay****+1.9%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****4,139.17**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****97%**
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, rhapontic rhubarb root extract is a $178K/yr Amazon United States market (50K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 47/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **rhapontic rhubarb root extract market data**
- **Units sold / yr**
- **5K–6K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **$169K–$203K**
- units × avg price
- **Conversion rate**
- **10.4%**
- **Avg BSR**
- **#1,945**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **79 months**
- **Avg seller age**
- **157 days**
## **Competition & brand share**
The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▲rising
**Sellers**
**24**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**97%**
Top 20: 100%
**Open market**
**0%**
- Metagenics72% - NusaPure12% - Estroven7% - Life Extension6% - Vitamins Because3%
## **Demand**
Weekly Amazon search volume, last 19 weeks — +1.9% search growth over the last 90 days.
2K1KSpike '26Mar '26Mar '26Apr '26May '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/health-household/rhapontic-rhubarb-root-extract/trend)
## **Top rhapontic rhubarb root extract search terms**
- **estrovera**15K/yr-11.0%10.5% conv. - **siberian rhubarb**11K/yr+5.6%7.3% conv. - **metagenics estrovera**7K/yr+29.2%14.7% conv. - **estrovera by metagenics 90 tablets**7K/yr-16.6%17.9% conv. - **metagenics herwellness estrovera**3K/yr+42.8%21.4% conv. - **estrovera menopause relief**3K/yr-3.7%2.8% conv. - **rhaponticin**2K/yr+170.5%0.2% conv. - **estrovera by metagenics 30 tablets**2K/yr-53.3%22.3% conv. [**All search terms **](https://flapen.com/research/us/health-household/rhapontic-rhubarb-root-extract/search-terms)
## **Top rhapontic rhubarb root extract 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%20%$36K40%$71K60%$107K80%$142K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 6 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Metagenics HerWellness Estrovera - Hormone-Free Plant-Based Supplement - Supports Menopause & Perimenopause Relief - Hot Flashes Night Sweats Multi-Symptom Support - Vegetarian Non-GMO - 30 Tablets**Metagenics**$34.60**4.4★2,126 rev](https://www.amazon.com/dp/B005NKRJWE) [2**NusaPure Siberian Rhubarb 250 mg 200 Veg Capsules (Non-GMO Vegan)**NusaPure**$21.91**4.2★665 rev](https://www.amazon.com/dp/B07HQXS5F7) [3**Metagenics HerWellness Estrovera - Hormone-Free Plant-Based Supplement - Supports Menopause & Perimenopause Relief - Hot Flashes Night Sweats Multi-Symptom Support - Vegetarian Non-GMO - 90 Tablets**Metagenics**$93.60**4.4★2,126 rev](https://www.amazon.com/dp/B00BJJVTTW) [4**Estroven Complete Multi-Symptom Menopause Supplement for Women 28 Ct. Clinically Proven Ingredient Provide Menopause Relief & Night Sweats & Hot Flash Relief* Drug-Free & Non-GMO**Estroven**$18.49**4.4★19,004 rev](https://www.amazon.com/dp/B07N813336) [5**Life Extension Menopause Relief Siberian Rhubarb Menopause Supplement for Women Ease hot Flashes Mood Swings Night Sweats Relief Hormone-Free Gluten-Free Non-GMO Vegetarian 30 Tablets**Life Extension**$16.40**4.0★711 rev](https://www.amazon.com/dp/B07FN7457H)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Estroven Complete Multi-Symptom Menopause Supplement for Women 28 Ct. Clinically Proven Ingredient Provide Menopause Relief & Night Sweats & Hot Flash Relief* Drug-Free & Non-GMO**Estroven**$18.49**19,004 rev7y ago](https://www.amazon.com/dp/B07N813336) [**Siberian Rhubarb Extract 4mg 200 Capsules Vitamins Because**Vitamins Because**$18.29**203 rev7y ago](https://www.amazon.com/dp/B07JLPCVZK) [**NusaPure Siberian Rhubarb 250 mg 200 Veg Capsules (Non-GMO Vegan)**NusaPure**$21.91**665 rev7y ago](https://www.amazon.com/dp/B07HQXS5F7) [**Life Extension Menopause Relief Siberian Rhubarb Menopause Supplement for Women Ease hot Flashes Mood Swings Night Sweats Relief Hormone-Free Gluten-Free Non-GMO Vegetarian 30 Tablets**Life Extension**$16.40**711 rev7y ago](https://www.amazon.com/dp/B07FN7457H) [**Metagenics HerWellness Estrovera - Hormone-Free Plant-Based Supplement - Supports Menopause & Perimenopause Relief - Hot Flashes Night Sweats Multi-Symptom Support - Vegetarian Non-GMO - 90 Tablets**Metagenics**$93.60**2,126 rev14y ago](https://www.amazon.com/dp/B00BJJVTTW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Siberian Rhubarb Extract 4mg 200 Capsules Vitamins Because**Vitamins Because**$18.29**4.2★**▲ 15%**](https://www.amazon.com/dp/B07JLPCVZK) [**Life Extension Menopause Relief Siberian Rhubarb Menopause Supplement for Women Ease hot Flashes Mood Swings Night Sweats Relief Hormone-Free Gluten-Free Non-GMO Vegetarian 30 Tablets**Life Extension**$16.40**4.0★**▲ 14%**](https://www.amazon.com/dp/B07FN7457H) [**NusaPure Siberian Rhubarb 250 mg 200 Veg Capsules (Non-GMO Vegan)**NusaPure**$21.91**4.2★**▲ 13%**](https://www.amazon.com/dp/B07HQXS5F7) [**Estroven Complete Multi-Symptom Menopause Supplement for Women 28 Ct. Clinically Proven Ingredient Provide Menopause Relief & Night Sweats & Hot Flash Relief* Drug-Free & Non-GMO**Estroven**$18.49**4.4★**▲ 12%**](https://www.amazon.com/dp/B07N813336) [**Metagenics HerWellness Estrovera - Hormone-Free Plant-Based Supplement - Supports Menopause & Perimenopause Relief - Hot Flashes Night Sweats Multi-Symptom Support - Vegetarian Non-GMO - 30 Tablets**Metagenics**$34.60**4.4★**— 4%**](https://www.amazon.com/dp/B005NKRJWE)
**~~View all trending →~~**
## **What buyers say about rhapontic rhubarb root extract**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**14%
*“Best on the market”*
**Menstrual Issues**13%
*“Gentle and Effective Menopause Relief”*
**Efficiency**11%
*“Ok. They were as effective as I was hoping”*
**Sleep Quality**8%
*“Good for sleep”*
**Hormonal Balance**4%
*“Effective, affordable hot flash relief without adding hormones”*
**Energy Level**4%
*“it seems to give me a boost of energy”*
**Fever Relief**4%
*“Great for meno symptoms”*
**Vitamin**3%
*“Great supplement”*
**Stress/Anxiety**3%
*“It helps me feel balanced, calm, and more comfortable through the day”*
**Value For Money**3%
*“It's far less expensive”*
### **What buyers complain about **
**Functionality-Overall**28%
*“It doesnt do what this one does”*
**Sleep Quality**17%
*“can't sleep”*
**Side Effects**10%
*“when I started to take week two I got extremely sick I was very weak”*
**Value For Money**5%
*“Expensive,”*
**Durability**4%
*“Broken capsules”*
**Weight Loss**3%
*“I would not recommend this product if you want to sleep through the night and lose weight”*
**Acid Regulator/Stomach Ache Relief**3%
*“I writhed in pain for 5 days vomiting and having diarrhea”*
**Energy Level**2%
*“My energy levels have not changed Im still tired”*
**Pain Relief-Overall**2%
*“Doesn't seem to provide much relief”*
**Nutritional Content**1%
*“Terrible, do not take without food”*
## **Common questions**
- **Is rhapontic rhubarb root extract profitable to sell on Amazon United States?**
- The niche generates $178K/yr across 6 tracked products. 90-day search growth is +1.9%. Flapen's verdict: Skip it (47/100).
- **How competitive is the rhapontic rhubarb root extract niche?**
- 5 brands and 24 sellers compete. The top 5 products take 97% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in rhapontic rhubarb root extract?**
- Top complaints mined from reviews: Functionality-Overall, Sleep Quality, Side Effects. The return rate is 0.0%.
- **What does it cost to enter the rhapontic rhubarb root extract niche?**
- Listings span $16.40–$93.60; the average listing price is $33.88 (sweet spot $15–$100). The average incumbent carries 4,139 reviews — the moat a new listing must climb.
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