---
title: "Sodium Chloride — £211K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/sodium-chloride"
last_updated: "2026-07-31T10:39:08.384Z"
locale: en
meta:
description: "Niche score 37/100 · £211K/yr market · 223K searches/yr · £10.24 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 37/100 · £211K/yr market · 223K searches/yr · £10.24 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Sodium Chloride — £211K/yr Amazon UK Niche (2026) - Flapen"
---
# **sodium chloride**
**Skip it**
Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Market size 41Growth 9Conversion 84Competition 21Returns 100Price range 25Avg price 35Brand share 5Review moat 43Quality gap 23
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****9.2%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****2,225.25**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****£211K**
£211K/yr · 223K searches
**Avg price**
**Okay****£10.24**
avg listing price — sweet spot $15–$100
**Price range**
**Okay****£4.82–£18.31**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-32.0%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****98%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, sodium chloride is a £211K/yr Amazon United Kingdom market (223K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Jan–Feb–Dec. Verdict: Skip it — 37/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sodium chloride market data**
- **Units sold / yr**
- **20K–25K**
- avg 2,000–2,500/product
- **Revenue / yr**
- **£205K–£256K**
- units × avg price
- **Conversion rate**
- **9.2%**
- **Avg BSR**
- **#6**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.7%**
- **Avg brand age**
- **50 months**
- **Avg seller age**
- **176 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▼falling
**Sellers**
**17**
**Top-5 brand share**
**98%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**0%**
- KNOXZY71% - NanaCare8% - Resp-Ease7% - Hydra-Neb7% - Baxter4% - Physiodose2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -32.0% search growth over the last 90 days.
7K5KSpike '24Holiday '24Spike '25Holiday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb, Dec · busiest ÷ quietest = 2.8×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/sodium-chloride/trend)
## **Top sodium chloride search terms**
- **nebuliser saline solution**53K/yr-28.5%11.8% conv. - **saline solution for nebulisers**50K/yr-46.6%12.7% conv. - **saline for nebuliser**20K/yr-24.9%8.1% conv. - **salbutamol nebuliser solution**20K/yr-31.3%3.3% conv. - **sodium chloride**14K/yr+15.6%1.7% conv. - **sodium chloride solution 0.9**10K/yr-31.0%6.2% conv. - **saline nebuliser**10K/yr-15.1%2.9% conv. - **nebuliser solution**11K/yr-42.0%8.0% conv. - **salbutamol**6K/yr-21.8%1.0% conv. - **hypertonic saline for nebuliser**6K/yr-43.4%10.8% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/sodium-chloride/search-terms)
## **Top sodium chloride 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%£21K20%£42K30%£63K40%£84K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**KNOXZY Isotonic Saline Solution 0.9% - Sodium Chloride NaCl - Inhalation Saline Solution 20 X 2.5 ml Unit Dose Vials**KNOXZY**£6.78**4.6★5,497 rev](https://www.amazon.co.uk/dp/B09MN8WNWL) [2**KNOXZY Hypertonic Saline Inhalation Solution 3%. Inhalation Solution for Adults & Children. Box Contains 30 Single dose vials of 4ml.**KNOXZY**£10.99**4.7★2,647 rev](https://www.amazon.co.uk/dp/B0BGC7S694) [3**Sterile NaCl 0.9% Saline Solution for Inhalation 30 × 2.5 ml Ampoules + 10 Cleaning Wipes Isotonic Saline for Nebulizer & Inhaler Inhaler for Adults Preservative-Free**NanaCare**£8.66**4.6★636 rev](https://www.amazon.co.uk/dp/B0DQ2J34BK) [4**50ml Isotonic Saline Solution 0.9% NaCl - Inhalation Solution for Nebuliser Reduce Mucus and Allergy Symptoms - Nebuliser Saline Solution for Humidyfing Airways**Hydra-Neb**£7.50**4.7★1,826 rev](https://www.amazon.co.uk/dp/B0BN5ZJ8Q6) [5**KNOXZY Isotonic Saline Solution 0.9% - Sodium Chloride NaCl - Inhalation Saline Solution for Humidifying The Airways 2.5 ml Unit Dose Vials Pharmaceutical Grade (Isotonic - 10 Vials)**KNOXZY**£4.82**4.6★1,234 rev](https://www.amazon.co.uk/dp/B0D1VJHZDK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Sterile NaCl 0.9% Saline Solution for Inhalation 30 × 2.5 ml Ampoules + 10 Cleaning Wipes Isotonic Saline for Nebulizer & Inhaler Inhaler for Adults Preservative-Free**NanaCare**£8.66**636 rev1y ago](https://www.amazon.co.uk/dp/B0DQ2J34BK) [**KNOXZY Isotonic Saline Solution 0.9% - Sodium Chloride NaCl - Inhalation Saline Solution for Humidifying The Airways 2.5 ml Unit Dose Vials Pharmaceutical Grade (Isotonic - 10 Vials)**KNOXZY**£4.82**1,234 rev2y ago](https://www.amazon.co.uk/dp/B0D1VJHZDK) [**KNOXZY Isotonic Saline Solution 0.9% - Sodium Chloride NaCl - Inhalation Saline Solution for Humidifying The Airways - 2.5 ml Unit Dose Vials Pharmaceutical Grade (Isotonic - 30 Vials)**KNOXZY**£8.55**1,234 rev2y ago](https://www.amazon.co.uk/dp/B0D1VGW2NP) [**Resp-Ease 7% Sterile Hypertonic Saline Solution for Inhalation via Nebuliser - Helps Clear Airways and Congestion from Lungs - 60 x 4ml Vials - Strong Nebuliser Saline Solution**Resp-Ease**£18.31**646 rev3y ago](https://www.amazon.co.uk/dp/B0BNNV3JW6) [**Resp-Ease 6% Sterile Hypertonic Saline Solution for Inhalation via Nebuliser - Helps Clear Airways and Congestion from Lungs - 60 x 4ml Vials - Strong Nebuliser Saline Solution**Resp-Ease**£14.74**458 rev3y ago](https://www.amazon.co.uk/dp/B0BNN99LCB)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Resp-Ease 7% Sterile Hypertonic Saline Solution for Inhalation via Nebuliser - Helps Clear Airways and Congestion from Lungs - 60 x 4ml Vials - Strong Nebuliser Saline Solution**Resp-Ease**£18.31**4.7★**▲ 73%**](https://www.amazon.co.uk/dp/B0BNNV3JW6) [**Resp-Ease 6% Sterile Hypertonic Saline Solution for Inhalation via Nebuliser - Helps Clear Airways and Congestion from Lungs - 60 x 4ml Vials - Strong Nebuliser Saline Solution**Resp-Ease**£14.74**4.6★**▲ 65%**](https://www.amazon.co.uk/dp/B0BNN99LCB) [**KNOXZY Isotonic Saline Solution 0.9% - Sodium Chloride NaCl - Inhalation Saline Solution for Humidifying The Airways - 2.5 ml Unit Dose Vials Pharmaceutical Grade (Isotonic - 30 Vials)**KNOXZY**£8.55**4.6★**▲ 21%**](https://www.amazon.co.uk/dp/B0D1VGW2NP) [**Sterile NaCl 0.9% Saline Solution for Inhalation 30 × 2.5 ml Ampoules + 10 Cleaning Wipes Isotonic Saline for Nebulizer & Inhaler Inhaler for Adults Preservative-Free**NanaCare**£8.66**4.6★**▲ 20%**](https://www.amazon.co.uk/dp/B0DQ2J34BK) [**KNOXZY Isotonic Saline Solution 0.9% - Sodium Chloride NaCl - Inhalation Saline Solution 20 X 2.5 ml Unit Dose Vials**KNOXZY**£6.78**4.6★**— 5%**](https://www.amazon.co.uk/dp/B09MN8WNWL)
**~~View all trending →~~**
## **What buyers say about sodium chloride**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Excellent product”*
**Advertised Vs Actual Product**16%
*“As described”*
**Value For Money**14%
*“Good value for money”*
**Ease Of Use**11%
*“Easy to use”*
**Breathability**8%
*“Breathing well”*
**Efficiency**8%
*“Works perfectly”*
**Sinus Relief**7%
*“Helps with chest congestion and sinus issues”*
**Cough Relief**3%
*“This is a good alternative & certainly helps with clearing mucus from lungs & sinuses”*
**Salt Content**2%
*“Good strong salt”*
**Fever Relief**2%
*“seems very effective for COPD”*
### **What buyers complain about **
**Salt Content**25%
*“Very salty”*
**Size-Overall**13%
*“Slightly small vial than my previous brand”*
**Functionality-Overall**6%
*“Doesn't seem to work that easy keeps stopping”*
**Dilute/Watery**6%
*“Saline water”*
**Leak-Proof**6%
*“Leaking cap”*
**Value For Money**5%
*“Really expensive”*
**Color**4%
*“Its not white its cream”*
**Design-Overall**4%
*“Bad cap design”*
**Advertised Vs Actual Product**4%
*“This should be made clear in the description”*
**Cough Relief**4%
*“now got throat infection which won't go”*
### **Top return reasons **
**Size-Overall**100%
## **Common questions**
- **Is sodium chloride profitable to sell on Amazon United Kingdom?**
- The niche generates £211K/yr across 12 tracked products. 90-day search growth is -32.0%. Flapen's verdict: Skip it (37/100).
- **How competitive is the sodium chloride niche?**
- 6 brands and 17 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 98% of demand.
- **What do buyers complain about in sodium chloride?**
- Top complaints mined from reviews: Salt Content, Size-Overall, Functionality-Overall. The return rate is 0.1%.
- **When does demand for sodium chloride peak?**
- Demand peaks in Jan–Feb–Dec; the busiest month runs 2.8× the quietest.
- **What does it cost to enter the sodium chloride niche?**
- Listings span £4.82–£18.31; the average listing price is £10.24 (sweet spot $15–$100). The average incumbent carries 2,225 reviews — the moat a new listing must climb.
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