oxyfit
Worth a lookShows low returns (0.9%), but soft demand (-14.5% this quarter) keeps it on the watch list.
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Review moat
Great432.42avg incumbent reviews — the moat a new listing must climb
Conversion
Good6.3%search→purchase rate — share of searches ending in a sale
Brand share
Good64%top-5 brand share — brands hold most of the demand
Price range
Good£3.66–£29.65cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Avg price
Okay£9.60avg listing price — sweet spot $15–$100
Market size
Bad£76K£76K/yr · 126K searches
Growth
Bad-14.5%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, oxyfit is a £76K/yr Amazon United Kingdom market (126K searches/yr). The top 5 brands hold 64% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
oxyfit market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- £58K–£77K
- units × avg price
- Conversion rate
- 6.3%
- Avg BSR
- #499
- Page quality
- 0%
- Prime
- 95%
- Sponsored
- 84%
- Out of stock
- 8.7%
- Avg brand age
- 28 months
- Avg seller age
- 179 days
Competition & brand share
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.Brands
17 falling
Sellers
24
Top-5 brand share
64%
Top 20: 100%
Top-5 click share
64%
Top 20: 100%
Open market
30%
- Berchyl25%
- Amusingtao17%
- blue rose10%
- MILL .STEPS7%
- Murlancra6%
- EETU6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -14.5% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.7×
Top oxyfit search terms
- lung trainer52K/yr
- breathing trainer30K/yr
- lung exerciser11K/yr
- breathing10K/yr
- breath trainer7K/yr
- breathing exercise device5K/yr
- stamina breathing trainer3K/yr
- breathing device3K/yr
- lung exerciser and mucus remover3K/yr
- the fluxter- reflux trainer2K/yr
Top oxyfit 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.
All 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Lung Trainer Pro Resistance Breathing Exerciser Adjustable Respiratory Training Device for Athletes & Fitness Portable & Easy to Clean with Neck Strap & Carry Pouch - Carbon Black
Berchyl£13.024.4★110 rev

Amusingtao Breathing Trainer Portable Lung Exerciser and Lung Trainer Adjustable Resistance Handheld Trainer for Oral and Muscular Exercise Improve Lung Capacity
Amusingtao£5.714.6★11 rev

Blue Rose Lung Trainer with Adjustable Resistance Breathing Exerciser & Lung Cleanse Device for Enhanced Lung Capacity Fitness & Respiratory Health Includes Free eBook (Black)
blue rose£11.743.9★234 rev

MillSTEPS Breathing Exercise Device for Lungs Lung Expansion & Mu-cus Relief Device (Blue)
MILL .STEPS£10.714.3★269 rev

Respi-Ex Deep Breathing Lung Exerciser 3 Ball Incentive Spirometer Washable and Hygienic Breath Measurement System Package with Hygienic Seal
EETU£9.254.3★527 rev
Newest
by launch date
Kecartu Breathing Trainer Boost Breathing Exerciser Portable Respiratory Muscle Trainer Lung Exercise Device with Soft Silicone for Fitness Training | Adjustable Resistance | Easy to Clean Black
Kecartu£8.681 rev

Lung Trainer Breathing Trainer Resistance Breathing Exerciser Breath Trainer for Daily Fitness Training Easy to Clean (Black)
LeeQunQ£3.661 rev

Lung Exerciser and Mucus Clearing Device Breathing Mucus Clearing Relief Remover (Green)
Murlancra£10.15165 rev

Lotnery Breathing Trainer - Adjustable Resistance Lung Exerciser for Enhanced Lung Capacity Handheld Device to Strengthen Respiratory Muscles and Boost Stamina Ideal for Athletes Fitness Enthusiast
Lotnery£4.612 rev

Lung Trainer Pro Resistance Breathing Exerciser Adjustable Respiratory Training Device for Athletes & Fitness Portable & Easy to Clean with Neck Strap & Carry Pouch - Carbon Black
Berchyl£13.02110 rev
Trending
90-day click momentum
Kecartu Breathing Trainer Boost Breathing Exerciser Portable Respiratory Muscle Trainer Lung Exercise Device with Soft Silicone for Fitness Training | Adjustable Resistance | Easy to Clean Black
Kecartu£8.685.0★

Breathing Trainer Portable Respiratory Muscle Trainer with Adjustable Resistance Compact Lung Exercise Device Detachable for Easy Cleaning - White
Cozeasy£6.914.1★

Lung Exerciser and Mucus Clearing Device Breathing Mucus Clearing Relief Remover (Green)
Murlancra£10.154.1★

Lung Trainer Breathing Trainer Resistance Breathing Exerciser Breath Trainer for Daily Fitness Training Easy to Clean (Black)
LeeQunQ£3.663.0★

Lotnery Breathing Trainer - Adjustable Resistance Lung Exerciser for Enhanced Lung Capacity Handheld Device to Strengthen Respiratory Muscles and Boost Stamina Ideal for Athletes Fitness Enthusiast
Lotnery£4.613.0★
What buyers say about oxyfit
What buyers praise and complain about, mined from review topics.What buyers love
“Improved my breath very well”
“Simple to use”
“Useful tool for lung exercise, quality and value good”
“Works well”
“Helps to clean my lungs”
“Good value for money”
“Just as described”
“Good easy to grip”
“I am an Asthmatic person who appreciates an appliance that actually works when needed”
“Great size”
What buyers complain about
“On the exhale side the last two or three most restrictive dont differ in that exhhalation of pne full breath because aperture for passing air out is so tiny it actually takes anywhere around half a minute to exhale all air through”
“doesnt work OR didnt work for me”
“Bad quality control”
“Lot of noise”
“Constructed badly and has to be held upside down for the balls to move”
“Rubbish without a manual”
“Not very good quite flimsy”
“Slightly too big”
“hard to use”
“Money wasted”
Top return reasons
Common questions
- Is oxyfit profitable to sell on Amazon United Kingdom?
- The niche generates £76K/yr across 19 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -14.5%. Flapen's verdict: Worth a look (51/100).
- How competitive is the oxyfit niche?
- 17 brands and 24 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 64% of demand.
- What do buyers complain about in oxyfit?
- Top complaints mined from reviews: Breathability, Functionality-Overall, Quality-Overall. The return rate is 0.9%.
- When does demand for oxyfit peak?
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- What does it cost to enter the oxyfit niche?
- Listings span £3.66–£29.65; the average listing price is £9.60 (sweet spot $15–$100). The average incumbent carries 432 reviews — the moat a new listing must climb.