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phenq

Skip it

A small market ($3K/yr) — this niche doesn't clear our bar today.

Market size 1Growth 6Conversion 21Competition 11Returns 100Price range 78Avg price 80Brand share 19Review moat 52Quality gap 97

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Quality gap

Incredible3.8★

avg incumbent rating — lower means beatable quality

Avg price

Great£17.00

avg listing price — sweet spot $15–$100

Price range

Great£8.23–£40.84

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

Review moat

Good1,405

avg incumbent reviews — the moat a new listing must climb

Conversion

Bad1.7%

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

Brand share

Bad92%

top-5 brand share — brand-locked demand

Competition

Bad86%

top-5 click share — a locked-up shelf

Growth

Bad-38.2%

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

Market size

Bad£3K

£3K/yr · 12K searches

According to Flapen's Amazon United Kingdom niche tracking, phenq is a £3K/yr Amazon United Kingdom market (12K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Aug–Sep. Verdict: Skip it — 37/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

phenq market data

Units sold / yr
250–500
avg 0–100/product
Revenue / yr
£4K–£9K
units × avg price
Conversion rate
1.7%
Avg BSR
#94
Page quality
0%
Prime
88%
Sponsored
50%
Out of stock
8.6%
Avg brand age
38 months
Avg seller age
156 days

Competition & brand share

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

Brands

7 falling

Sellers

18

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

86%

Top 20: 100%

Open market

3%

  • T5 Fat Burners34%
  • OZUNA NUTRITION27%
  • Pro BRN Supplement15%
  • PhenQ10%
  • BioRevive7%
  • Grenade4%
  • Open — no brand owns it (1 brand, 3%)

Demand & seasonality

Weekly Amazon search volume, last 101 weeks — -38.2% search growth over the last 90 days.
700500Spike '25Spike '26DecMarJunAugNovMarMay

Peak months: Aug, Sep · busiest ÷ quietest = 1.9×

Top phenq search terms

  • phenq4K/yr
  • phentermine weight loss pills4K/yr
  • phen q weight loss pills2K/yr
  • phen q2K/yr
  • phenq weight loss pills564/yr
  • phenq extreme weight loss pills16/yr
All search terms

Top phenq 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%£33920%£67730%£1K40%£1K1001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

All 8 tracked products in this niche — three views at once, no toggling.

What buyers say about phenq

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

What buyers love

Advertised Vs Actual Product14%

“came as advertised”

Efficiency13%

“Works well”

Quality-Overall13%

“Quality stuff at low cost”

Weight Loss9%

“has helped with my weight loss”

Energy Level5%

“Energy boost”

Value For Money5%

“Worth it”

Regulates Digestion3%

“Helps with my digestion”

Acid Regulator/Stomach Ache Relief3%

“didnt upset my stomach”

Side Effects3%

“There was no side affects”

Strength3%

“Very strong”

What buyers complain about

Functionality-Overall18%

“Did not work”

Weight Loss10%

“Didnt work for weight loss”

Acid Regulator/Stomach Ache Relief10%

“stomach pain”

Side Effects8%

“oh my 😩the abdominal cramps that comes with it is awful”

Pain Relief-Overall7%

“it was a painful experience”

Value For Money6%

“WASTE OF MONEY”

Dosage6%

“the Senna dose in each capsule i think is too strong”

Regulates Digestion5%

“everything I eat or drink is going straight threw my digestive system”

Quality-Overall4%

“Garbage”

Nutritional Content3%

“Rubbish as do nothing to help with hunger”

Common questions

Is phenq profitable to sell on Amazon United Kingdom?
The niche generates £3K/yr across 8 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -38.2%. Flapen's verdict: Skip it (37/100).
How competitive is the phenq niche?
7 brands and 18 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in phenq?
Top complaints mined from reviews: Functionality-Overall, Weight Loss, Acid Regulator/Stomach Ache Relief. The return rate is 0.1%.
When does demand for phenq peak?
Demand peaks in Aug–Sep; the busiest month runs 1.9× the quietest.
What does it cost to enter the phenq niche?
Listings span £8.23–£40.84; the average listing price is £17.00 (sweet spot $15–$100). The average incumbent carries 1,405 reviews — the moat a new listing must climb.