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monjaro

Skip it

Brand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.

Market size 24Growth 21Conversion 29Competition 57Returns 100Price range 71Avg price 66Brand share 9Review moat 44Quality gap 73

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Price range

Good£5.66–£37.94

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

Avg price

Good£13.88

avg listing price — sweet spot $15–$100

Competition

Good51%

top-5 click share — leaders hold, buyers still browse

Review moat

Okay2,119.39

avg incumbent reviews — the moat a new listing must climb

Conversion

Okay2.3%

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

Market size

Bad£98K

£98K/yr · 306K searches

Growth

Bad-8.9%

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

Brand share

Bad97%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, monjaro is a £98K/yr Amazon United Kingdom market (306K searches/yr). The top 5 brands hold 97% of demand. Verdict: Skip it — 45/100.

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

monjaro market data

Units sold / yr
6K–8K
avg 100–250/product
Revenue / yr
£83K–£111K
units × avg price
Conversion rate
2.3%
Avg BSR
#27
Page quality
0%
Prime
100%
Sponsored
87%
Out of stock
7.3%
Avg brand age
31 months
Avg seller age
159 days

Competition & brand share

The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 rising

Sellers

10

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

51%

Top 20: 97%

Open market

2%

  • Wellgard59%
  • Supplement Heaven22%
  • Spectrum Armour10%
  • YOUSHARES3%
  • Pro BRN Supplement3%
  • Generic1%
  • Open — no brand owns it (2 brands, 2%)

Demand

Weekly Amazon search volume, last 48 weeks — -8.9% search growth over the last 90 days.
6K4KSpike '26Aug '25Oct '25Dec '25Feb '26Apr '26May '26

Top monjaro search terms

  • mounjaro81K/yr
  • monjaro82K/yr
  • wellgard63K/yr
  • monjaro weight loss injection pen39K/yr
  • wellguard24K/yr
  • manjaro13K/yr
  • well guard4K/yr
All search terms

Top monjaro 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%£10K20%£20K30%£29K40%£39K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 23 tracked products in this niche — three views at once, no toggling.

What buyers say about monjaro

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

What buyers love

Quality-Overall19%

“The quality feels consistent”

Taste-Overall11%

“no weird taste”

Value For Money10%

“Good value for money”

Solubility5%

“dissolves easily”

Advertised Vs Actual Product4%

“As advertised”

Ease Of Use4%

“Easy to use”

Sleep Quality3%

“Perfect sleep”

Joint Pain3%

“Ease of joint pain”

Energy Level2%

“Really good for keeping up your energy levels”

Vitamin2%

“Important vitamins”

What buyers complain about

Taste-Overall17%

“It tastes terrible”

Functionality-Overall6%

“Did not work”

Vegan/Organic3%

“unfortunately is halal”

Magnesium3%

“its not entirely magnesium glycinate its mixed. chelated”

Value For Money3%

“Waste of money”

Quality-Overall3%

“expensive for the quality”

Solubility2%

“Doesn't dissolve”

Side Effects2%

“other side effects”

Advertised Vs Actual Product2%

“Misleading information about the product”

Acid Regulator/Stomach Ache Relief2%

“Not good for my stomach”

Top return reasons

Size-Overall86%
Advertised Vs Actual Product7%
Weight Heavy7%

Common questions

Is monjaro profitable to sell on Amazon United Kingdom?
The niche generates £98K/yr across 23 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -8.9%. Flapen's verdict: Skip it (45/100).
How competitive is the monjaro niche?
8 brands and 10 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 97% of demand.
What do buyers complain about in monjaro?
Top complaints mined from reviews: Taste-Overall, Functionality-Overall, Vegan/Organic. The return rate is 0.1%.
What does it cost to enter the monjaro niche?
Listings span £5.66–£37.94; the average listing price is £13.88 (sweet spot $15–$100). The average incumbent carries 2,119 reviews — the moat a new listing must climb.