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.

sodium chloride

Skip it

Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great9.2%

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

Review moat

Okay2,225.25

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

Bad4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad75%

top-5 click share — a locked-up shelf

Growth

Bad-32.0%

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

Brand share

Bad98%

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

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

Top-5 brand share

98%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

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.

Peak months: Jan, Feb, Dec · busiest ÷ quietest = 2.8×

Open Trend

Top sodium chloride search terms

nebuliser saline solution53K/yr -28.5%11.8% conv.
saline solution for nebulisers50K/yr -46.6%12.7% conv.
saline for nebuliser20K/yr -24.9%8.1% conv.
salbutamol nebuliser solution20K/yr -31.3%3.3% conv.
sodium chloride14K/yr +15.6%1.7% conv.
sodium chloride solution 0.910K/yr -31.0%6.2% conv.
saline nebuliser10K/yr -15.1%2.9% conv.
nebuliser solution11K/yr -42.0%8.0% conv.
salbutamol6K/yr -21.8%1.0% conv.
hypertonic saline for nebuliser6K/yr -43.4%10.8% conv.

All 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.

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

KNOXZY Isotonic Saline Solution 0.9% - Sodium Chloride NaCl - Inhalation Saline Solution 20 X 2.5 ml Unit Dose Vials

KNOXZY£6.784.6★5,497 rev

KNOXZY Hypertonic Saline Inhalation Solution 3%. Inhalation Solution for Adults & Children. Box Contains 30 Single dose vials of 4ml.

KNOXZY£10.994.7★2,647 rev

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£8.664.6★636 rev

50ml Isotonic Saline Solution 0.9% NaCl - Inhalation Solution for Nebuliser Reduce Mucus and Allergy Symptoms - Nebuliser Saline Solution for Humidyfing Airways

Hydra-Neb£7.504.7★1,826 rev

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£4.824.6★1,234 rev

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£8.66636 rev

1y ago

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£4.821,234 rev

2y ago

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£8.551,234 rev

2y ago

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£18.31646 rev

3y ago

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£14.74458 rev

3y ago

What buyers say about sodium chloride

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

What buyers love

Quality-Overall18%

“Excellent product”

Advertised Vs Actual Product16%

“As described”

Value For Money14%

“Good value for money”

Ease Of Use11%

“Easy to use”

Breathability8%

“Breathing well”

Efficiency8%

“Works perfectly”

Sinus Relief7%

“Helps with chest congestion and sinus issues”

Cough Relief3%

“This is a good alternative & certainly helps with clearing mucus from lungs & sinuses”

Salt Content2%

“Good strong salt”

Fever Relief2%

“seems very effective for COPD”

What buyers complain about

Salt Content25%

“Very salty”

Size-Overall13%

“Slightly small vial than my previous brand”

Functionality-Overall6%

“Doesn't seem to work that easy keeps stopping”

Dilute/Watery6%

“Saline water”

Leak-Proof6%

“Leaking cap”

Value For Money5%

“Really expensive”

Color4%

“Its not white its cream”

Design-Overall4%

“Bad cap design”

Advertised Vs Actual Product4%

“This should be made clear in the description”

Cough Relief4%

“now got throat infection which won't go”

Top return reasons

Size-Overall100%

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.