---
title: "Zynex — $811K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/zynex"
last_updated: "2026-08-09T06:16:05.855Z"
locale: en
meta:
description: "Niche score 43/100 · $811K/yr market · 75K searches/yr · $202.54 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · $811K/yr market · 75K searches/yr · $202.54 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Zynex — $811K/yr Amazon US Niche (2026) - Flapen"
---
# **zynex**
**Skip it**
Prices mostly outside the sweet spot ($7.09–$2404.12) — this niche doesn't clear our bar today.
Market size 73Growth 26Conversion 61Competition 29Returns 53Price range 4Avg price 46Brand share 52Review moat 21Quality gap 38
**Market size**
**Good****$811K**
$811K/yr · 75K searches
**Conversion**
**Good****5.4%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Good****2.9%**
return rate — above 5% kills the launch gate
**Brand share**
**Good****74%**
top-5 brand share — brands hold most of the demand
**Avg price**
**Okay****$202.54**
avg listing price — sweet spot $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****67%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+0.9%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****11,816.21**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Bad****$7.09–$2404.12**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, zynex is a $811K/yr Amazon United States market (75K searches/yr). The top 5 brands hold 74% of demand. Verdict: Skip it — 43/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **zynex market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$608K–$810K**
- units × avg price
- **Conversion rate**
- **5.4%**
- **Avg BSR**
- **#439**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **95%**
- **Out of stock**
- **3.1%**
- **Avg brand age**
- **55 months**
- **Avg seller age**
- **178 days**
## **Competition & brand share**
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**16 **▲rising
**Sellers**
**33**
**Top-5 brand share**
**74%**
Top 20: 100%
**Top-5 click share**
**67%**
Top 20: 100%
**Open market**
**23%**
- Boiron44% - Balego14% - NeuroMD6% - AUVON5% - Belifu5% - PerVita Medical4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +0.9% search growth over the last 90 days.
3K2KPrime Day '25Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/health-household/zynex/trend)
## **Top zynex search terms**
- **nmes machine**16K/yr+23.7%1.2% conv. - **bone stimulator for bone healing**20K/yr-9.1%0.6% conv. - **bone stimulator**17K/yr-2.5%0.3% conv. - **symphytum officinale 30c**9K/yr+5.3%22.9% conv. - **gimnasia pasiva corporal profesional**7K/yr-11.9%0.1% conv. - **full body ems muscle stimulator**4K/yr-22.4%0.2% conv. - **symphytum 30c**2K/yr+9.0%25.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/zynex/search-terms)
## **Top zynex 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%$81K20%$162K30%$243K40%$324K1101001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Boiron Symphytum Officinale 30C Homeopathic Medicine for Bone Trauma - 80 Pellets**Boiron**$7.09**4.6★896 rev](https://www.amazon.com/dp/B00014FG0O) [2**Boiron Symphytum Officinale 30c Homeopathic Medicine That Promotes Healing of Bone Trauma - Pack of 3 (240 Pellets)**Boiron**$19.48**4.6★896 rev](https://www.amazon.com/dp/B07KKTTJVH) [3**Balego EMS Digital Neuromuscular NMES Stimulator OTC**Balego**$61.69**4.4★2,263 rev](https://www.amazon.com/dp/B07CVGN7MC) [4**NeuroMD NMES Wireless Muscle Stimulator Portable Device for Temporary Relief of Pain Due to Sore/Aching Muscles Model SM9113**NeuroMD**$148.27**4.2★245 rev](https://www.amazon.com/dp/B0G4XKLKRY) [5**PerVita Medical Extracorporeal Shock Wave Therapy ESWT Machine for Joint and Muscle Pain Relief Muscle and Bone Tissue Regeneration Painless Non-Invasive No Side Effects PSP20**PerVita Medical**$2404.12**4.8★155 rev](https://www.amazon.com/dp/B08XVZ8STK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Motive Lower Back FDA-Cleared NMES Therapy: Strengthen Lower Back Muscles for Better Stability & Movement Support 20-Min At-Home Sessions Drug Free**Motive**$193.31**29 rev5mo ago](https://www.amazon.com/dp/B0GBZQP4HG) [**NeuroMD NMES Wireless Muscle Stimulator Portable Device for Temporary Relief of Pain Due to Sore/Aching Muscles Model SM9113**NeuroMD**$148.27**245 rev7mo ago](https://www.amazon.com/dp/B0G4XKLKRY) [**Dancespot EMS Foot Massager for Neuropathy NMES Foot Stimulator for Neuropathy Feet Nerve FSA Eligible Electric Foot Massager for Circulation and Pain Relief with 4 TENS Unit Muscle Stimulator Pads**Dancespot**$85.32**139 rev7mo ago](https://www.amazon.com/dp/B0DHGLX8VW) [**Shockwave Therapy Machine Portable Extracorporeal Shock Wave Therapy Machine for Joint and Muscle Pain Relief Muscle and Bone Tissue Regeneration Painless Non-Invasive No Side Effects**DHASUWT**$517.52**6 rev1y ago](https://www.amazon.com/dp/B0F66LRNHS) [**TENS EMS Unit Muscle Stimulator for Pain Relief Therapy - 4 in 1 TENS EMS Relax Custom Frequency+Pulse - Muscle Massager 36 Modes 20 Intensity Memory & Favorites Function 3.8 Color Display - Gray**Belifu**$53.76**1,731 rev1y ago](https://www.amazon.com/dp/B0F48MH6WK)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Air Barrel - Air Roller Gymnastics Barrel for Back Handspring Trainer Air Tumble Mat with Pump for Gym Training/Yoga Balance Exercise/Cheerleading/Home and Outdoor Use**NBSPORT**$53.31**4.7★**▲ 246%**](https://www.amazon.com/dp/B0C2HBFS1M) [**Xensamy Yoga Strap with 12 Loops - Multi-Functional Stretch Band for Pilates Dance Gymnastics Physical Therapy Flexibility & Resistance Training Ballet Latin Workouts**Xensamy**$9.78**4.8★**▲ 244%**](https://www.amazon.com/dp/B0DSC6HCCT) [**Motive Lower Back FDA-Cleared NMES Therapy: Strengthen Lower Back Muscles for Better Stability & Movement Support 20-Min At-Home Sessions Drug Free**Motive**$193.31**4.2★**▲ 142%**](https://www.amazon.com/dp/B0GBZQP4HG) [**Metagenics Bone Builder Extra Strength - Microcrystalline Hydroxyapatite Concentrate (MCHC) with Calcium & Phosphorus - Supports Bone Density & Strength - Non-GMO & Gluten-Free - 90 Tablets**Metagenics**$38.58**4.7★**▲ 120%**](https://www.amazon.com/dp/B01KMP0T5S) [**AUVON 3-in-1 TENS Unit Muscle Stimulator EMS Massage Machine with 40 Intensities for Gradual Shoulder Sciatica Back Pain Relief 24 Modes Rechargeable Electronic Pulse Massager with 12 TENS Pads**AUVON**$29.31**4.6★**▲ 72%**](https://www.amazon.com/dp/B0D12W9QX6)
**~~View all trending →~~**
## **What buyers say about zynex**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Efficiency**12%
*“So far it has been effective”*
**Quality-Overall**12%
*“Decent quality”*
**Ease Of Use**11%
*“Easy to move”*
**Value For Money**10%
*“Great Value”*
**Muscle Pain Relief**6%
*“Helps with muscle pain”*
**Battery Life**4%
*“Battery lasts forever”*
**Advertised Vs Actual Product**4%
*“As advertised”*
**Charging**4%
*“Charges very quickly”*
**Joint Pain**4%
*“Helped reduce knee pain”*
**Strength**3%
*“Great power”*
### **What buyers complain about **
**Functionality-Overall**13%
*“Never worked”*
**Durability**10%
*“Didn't last”*
**Adhesion/Stickiness**6%
*“Does not stick well”*
**Battery Life**6%
*“battery life is very short”*
**Pain Relief-Overall**6%
*“Back pain”*
**Charging**5%
*“Stopped charging”*
**Quality-Overall**5%
*“Terrible quality and just useless”*
**Instructions/User Manual/Troubleshooting**3%
*“Product instructions not clear”*
**Size-Overall**3%
*“the ones I ordered dont fit”*
**Value For Money**3%
*“Not worth it”*
### **Top return reasons **
**Functionality-Overall**32%
**Advertised Vs Actual Product**9%
**Joint Pain**6%
**Adhesion/Stickiness**6%
**Size-Overall**5%
**Value For Money**5%
**Charging**4%
**Defective Material/Parts**3%
**Ease Of Use**3%
**Strength**3%
## **Common questions**
- **Is zynex profitable to sell on Amazon United States?**
- The niche generates $811K/yr across 19 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +0.9%. Flapen's verdict: Skip it (43/100).
- **How competitive is the zynex niche?**
- 16 brands and 33 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 74% of demand.
- **What do buyers complain about in zynex?**
- Top complaints mined from reviews: Functionality-Overall, Durability, Adhesion/Stickiness. The return rate is 2.9%.
- **When does demand for zynex peak?**
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- **What does it cost to enter the zynex niche?**
- Listings span $7.09–$2404.12; the average listing price is $202.54 (sweet spot $15–$100). The average incumbent carries 11,816 reviews — the moat a new listing must climb.
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