---
title: "Swell No More — $31K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/swell-no-more"
last_updated: "2026-08-10T20:42:04.607Z"
locale: en
meta:
  description: "Niche score 47/100 · $31K/yr market · 7K searches/yr · $48.52 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 47/100 · $31K/yr market · 7K searches/yr · $48.52 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Swell No More — $31K/yr Amazon US Niche (2026) - Flapen"
---

# **swell no more**

**Skip it**

A small market ($31K/yr) — this niche doesn't clear our bar today.

Market size 8Growth 22Conversion 86Competition 11Returns 100Price range 95Avg price 94Brand share 11Review moat 47Quality gap 96

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Quality gap**

**Incredible****3.9★**

avg incumbent rating — lower means beatable quality

**Price range**

**Incredible****$15.11–$98.49**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Avg price**

**Great****$48.52**

avg listing price — sweet spot $15–$100

**Conversion**

**Great****9.7%**

search→purchase rate — share of searches ending in a sale

**Review moat**

**Okay****1,816.78**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-6.3%**

90-day search growth — must beat 0% to launch

**Competition**

**Bad****86%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****95%**

top-5 brand share — brand-locked demand

**Market size**

**Bad****$31K**

$31K/yr · 7K searches

**Signals**[** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0")

According to Flapen's Amazon United States niche tracking, swell no more is a $31K/yr Amazon United States market (7K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Jul–Aug–Sep–Oct. Verdict: Skip it — 47/100.

Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **swell no more market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**500–750**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$24K–$36K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**9.7%**</dd>

<dt>**Avg BSR**</dt><dd>**#1,803**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**89%**</dd>

<dt>**Sponsored**</dt><dd>**78%**</dd>

<dt>**Out of stock**</dt><dd>**6.6%**</dd>

<dt>**Avg brand age**</dt><dd>**57 months**</dd>

<dt>**Avg seller age**</dt><dd>**146 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**5 **▲rising

**Sellers**

**6**

**Top-5 brand share**

**95%**

Top 20: 95%

**Top-5 click share**

**86%**

Top 20: 100%

**Open market**

**0%**

- swell no more81% - Harvest Vitality5% - --5% - Generic4% - Infuzix3% - ANDREW LESSMAN2%

## **Demand & seasonality**

Weekly Amazon search volume, last 70 weeks — -6.3% search growth over the last 90 days.

300200Spike '25Prime Day '25Spike '26 seasonMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jul, Aug, Sep, Oct · busiest ÷ quietest = 2.9×

[**Open Trend **](https://flapen.com/research/us/health-household/swell-no-more/trend)

## **Top swell no more 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%$5K30%$9K45%$14K60%$19K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Water Pills Natural Diuretic Lymphatic Drainage Lymphatic Support Reduces Swelling Swollen Legs Swollen Feet & Ankles Puffy Eyes Edema Bloating Relief Reduces Water Retention & Fluid Retention](https://m.media-amazon.com/images/I/4141-8iSqpL.jpg)**Water Pills Natural Diuretic Lymphatic Drainage Lymphatic Support Reduces Swelling Swollen Legs Swollen Feet & Ankles Puffy Eyes Edema Bloating Relief Reduces Water Retention & Fluid Retention**swell no more**$58.38**3.8★453 rev](https://www.amazon.com/dp/B010185TEW) [2![Water Pills Diuretic for Water Retention Swelling Edema Bloating & Puffy Eyes Lymphatic Drainage Supplement 3 Pack Best Value Fluid Balance & Detox Support Swollen Feet Legs Ankles Relief](https://m.media-amazon.com/images/I/51chvR5HSPL.jpg)**Water Pills Diuretic for Water Retention Swelling Edema Bloating & Puffy Eyes Lymphatic Drainage Supplement 3 Pack Best Value Fluid Balance & Detox Support Swollen Feet Legs Ankles Relief**swell no more**$98.49**3.8★664 rev](https://www.amazon.com/dp/B010185UVY) [3![swell no more Swollen Feet and Ankles? Reduce Swelling Legs Edema Relief for Legs Edema Ankle Swelling Relief Water Pills for Swollen Legs Anti Bloat Puffy Face Reducer (1)](https://m.media-amazon.com/images/I/41+skRPCvFL.jpg)**swell no more Swollen Feet and Ankles? Reduce Swelling Legs Edema Relief for Legs Edema Ankle Swelling Relief Water Pills for Swollen Legs Anti Bloat Puffy Face Reducer (1)**swell no more**$53.76**3.6★48 rev](https://www.amazon.com/dp/B0C67NQJS8) [4![Water Pills Natural Diuretic Lymphatic Drainage Lymphatic Support Reduces Swelling Swollen Legs Swollen Feet & Ankles Puffy Eyes Edema Bloating Relief Reduces Water Weight & Water Retention](https://m.media-amazon.com/images/I/51Rt+BhMLGL.jpg)**Water Pills Natural Diuretic Lymphatic Drainage Lymphatic Support Reduces Swelling Swollen Legs Swollen Feet & Ankles Puffy Eyes Edema Bloating Relief Reduces Water Weight & Water Retention**swell no more**$75.07**3.8★453 rev](https://www.amazon.com/dp/B0FMCJ384C) [5![Natural Diuretic for Swollen Feet Ankles and Legs: Lipitrex Water Pills Contain Dandelion to Reduce Swelling in Your Foot Ankle or Leg. Includes Diuretics Targeted For Water Retention & Edema Relief](https://m.media-amazon.com/images/I/512NRlO79ZL.jpg)**Natural Diuretic for Swollen Feet Ankles and Legs: Lipitrex Water Pills Contain Dandelion to Reduce Swelling in Your Foot Ankle or Leg. Includes Diuretics Targeted For Water Retention & Edema Relief**Harvest Vitality**$28.65**3.8★1,511 rev](https://www.amazon.com/dp/B08B9SH5XH)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![swell no more Swollen Feet and Ankles? Reduce Swelling Legs Edema Relief for Legs Edema Ankle Swelling Relief Water Pills for Swollen Legs Anti Bloat Puffy Face Reducer (1)](https://m.media-amazon.com/images/I/41+skRPCvFL.jpg)**swell no more Swollen Feet and Ankles? Reduce Swelling Legs Edema Relief for Legs Edema Ankle Swelling Relief Water Pills for Swollen Legs Anti Bloat Puffy Face Reducer (1)**swell no more**$53.76**48 rev3y ago](https://www.amazon.com/dp/B0C67NQJS8) [![Listol: Reduce Swelling In Feet Ankles And Legs. Say Goodbye To Water Retention & Swelling With This Natural Diuretic. Alleviate Swollen Ankles Legs & Feet. Reclaim Your Comfort And Mobility Today](https://m.media-amazon.com/images/I/516Qvzh0SCL.jpg)**Listol: Reduce Swelling In Feet Ankles And Legs. Say Goodbye To Water Retention & Swelling With This Natural Diuretic. Alleviate Swollen Ankles Legs & Feet. Reclaim Your Comfort And Mobility Today**Infuzix**$39.92**73 rev3y ago](https://www.amazon.com/dp/B0C3F3QC3X) [![Swell No More for Water Retention Dietary Supplement 60 Tablets Relieves Puffiness Edema and Swelling](https://m.media-amazon.com/images/I/418Wyc1bH1L.jpg)**Swell No More for Water Retention Dietary Supplement 60 Tablets Relieves Puffiness Edema and Swelling**Generic**$50.10**6 rev3y ago](https://www.amazon.com/dp/B0BV81NFXM) [![Natural Diuretic for Swollen Feet Ankles and Legs: Lipitrex Water Pills Contain Dandelion to Reduce Swelling in Your Foot Ankle or Leg. Includes Diuretics Targeted For Water Retention & Edema Relief](https://m.media-amazon.com/images/I/512NRlO79ZL.jpg)**Natural Diuretic for Swollen Feet Ankles and Legs: Lipitrex Water Pills Contain Dandelion to Reduce Swelling in Your Foot Ankle or Leg. Includes Diuretics Targeted For Water Retention & Edema Relief**Harvest Vitality**$28.65**1,511 rev6y ago](https://www.amazon.com/dp/B08B9SH5XH) [![Water Away Herbal Diuretic Pills High Strength - Fluid Retention Supplement with Dandelion Leaf Extract & Green Tea for Bloating Relief for Women & Men - Capsules for Leg & Feet Swelling - 90 Count](https://m.media-amazon.com/images/I/412LFfHUC1L.jpg)**Water Away Herbal Diuretic Pills High Strength - Fluid Retention Supplement with Dandelion Leaf Extract & Green Tea for Bloating Relief for Women & Men - Capsules for Leg & Feet Swelling - 90 Count**--**$17.19**7,448 rev7y ago](https://www.amazon.com/dp/B07JZBRY5Y)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Water Pills Natural Diuretic Lymphatic Drainage Lymphatic Support Reduces Swelling Swollen Legs Swollen Feet & Ankles Puffy Eyes Edema Bloating Relief Reduces Water Weight & Water Retention](https://m.media-amazon.com/images/I/51Rt+BhMLGL.jpg)**Water Pills Natural Diuretic Lymphatic Drainage Lymphatic Support Reduces Swelling Swollen Legs Swollen Feet & Ankles Puffy Eyes Edema Bloating Relief Reduces Water Weight & Water Retention**swell no more**$75.07**3.8★**▲ 129%**](https://www.amazon.com/dp/B0FMCJ384C) [![Swell No More for Water Retention Dietary Supplement 60 Tablets Relieves Puffiness Edema and Swelling](https://m.media-amazon.com/images/I/418Wyc1bH1L.jpg)**Swell No More for Water Retention Dietary Supplement 60 Tablets Relieves Puffiness Edema and Swelling**Generic**$50.10**4.0★**▲ 83%**](https://www.amazon.com/dp/B0BV81NFXM) [![Listol: Reduce Swelling In Feet Ankles And Legs. Say Goodbye To Water Retention & Swelling With This Natural Diuretic. Alleviate Swollen Ankles Legs & Feet. Reclaim Your Comfort And Mobility Today](https://m.media-amazon.com/images/I/516Qvzh0SCL.jpg)**Listol: Reduce Swelling In Feet Ankles And Legs. Say Goodbye To Water Retention & Swelling With This Natural Diuretic. Alleviate Swollen Ankles Legs & Feet. Reclaim Your Comfort And Mobility Today**Infuzix**$39.92**3.9★**▲ 40%**](https://www.amazon.com/dp/B0C3F3QC3X) [![Water Pills Diuretic for Water Retention Swelling Edema Bloating & Puffy Eyes Lymphatic Drainage Supplement 3 Pack Best Value Fluid Balance & Detox Support Swollen Feet Legs Ankles Relief](https://m.media-amazon.com/images/I/51chvR5HSPL.jpg)**Water Pills Diuretic for Water Retention Swelling Edema Bloating & Puffy Eyes Lymphatic Drainage Supplement 3 Pack Best Value Fluid Balance & Detox Support Swollen Feet Legs Ankles Relief**swell no more**$98.49**3.8★**▲ 13%**](https://www.amazon.com/dp/B010185UVY) [![swell no more Swollen Feet and Ankles? Reduce Swelling Legs Edema Relief for Legs Edema Ankle Swelling Relief Water Pills for Swollen Legs Anti Bloat Puffy Face Reducer (1)](https://m.media-amazon.com/images/I/41+skRPCvFL.jpg)**swell no more Swollen Feet and Ankles? Reduce Swelling Legs Edema Relief for Legs Edema Ankle Swelling Relief Water Pills for Swollen Legs Anti Bloat Puffy Face Reducer (1)**swell no more**$53.76**3.6★**— 5%**](https://www.amazon.com/dp/B0C67NQJS8)

**~~View all trending →~~**

## **What buyers say about swell no more**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Efficiency**13%

*“It works”*

**Quality-Overall**11%

*“Excellent product”*

**Value For Money**11%

*“a lot cheaper than ordering it from HSN”*

**Advertised Vs Actual Product**9%

*“Does exactly what it claims to do”*

**Inflammation**5%

*“I picked this up to help with occasional swelling in my feet and ankles, and so far its been a nice addition to my routine”*

**Joint Pain**5%

*“controls the ankle swelling without medications”*

**Solubility**5%

*“dissolves pretty quickly because of the powdered texture”*

**Ease Of Use**4%

*“Its easy to use, comfortable, and quickly became part of my daily routine”*

**Functionality-Overall**4%

*“This product seems to be working”*

**Stitch/Finish/Polish**4%

*“Seams to work really well”*

### **What buyers complain about **

**Functionality-Overall**32%

*“It doesn't work for me”*

**Inflammation**13%

*“Absolutely no help with inflammation”*

**Side Effects**8%

*“they made me nauseous even though I was not taking them on a empty stomach”*

**Acid Regulator/Stomach Ache Relief**5%

*“Made venous reflux pain worse”*

**Oily/Greasy**5%

*“Snake oil”*

**Pain Relief-Overall**4%

*“it made my leg pain worse each of those nights”*

**Value For Money**3%

*“Waste of money for sure”*

**Smell**2%

*“Not only did I find the smell”*

**Taste-Overall**2%

*“My real issue is the smell and taste”*

**Dilute/Watery**2%

*“It still wouldnt completely dissolve”*

## **Common questions**

<dl>

<dt>**Is swell no more profitable to sell on Amazon United States?**</dt><dd>The niche generates $31K/yr across 9 tracked products. 90-day search growth is -6.3%. Flapen's verdict: Skip it (47/100).</dd>

<dt>**How competitive is the swell no more niche?**</dt><dd>5 brands and 6 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 95% of demand.</dd>

<dt>**What do buyers complain about in swell no more?**</dt><dd>Top complaints mined from reviews: Functionality-Overall, Inflammation, Side Effects. The return rate is 0.0%.</dd>

<dt>**When does demand for swell no more peak?**</dt><dd>Demand peaks in Jul–Aug–Sep–Oct; the busiest month runs 2.9× the quietest.</dd>

<dt>**What does it cost to enter the swell no more niche?**</dt><dd>Listings span $15.11–$98.49; the average listing price is $48.52 (sweet spot $15–$100). The average incumbent carries 1,817 reviews — the moat a new listing must climb.</dd>

</dl>

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