Is fat burners profitable to sell on Amazon United Kingdom?

The niche generates £219K/yr across 20 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +3.9%. Flapen's verdict: Worth a look (57/100).

How competitive is the fat burners niche?

18 brands and 38 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 69% of demand.

What do buyers complain about in fat burners?

Top complaints mined from reviews: Functionality-Overall, Weight Loss, Value For Money. The return rate is 0.1%.

When does demand for fat burners peak?

Demand peaks in Jul–Aug; the busiest month runs 4.3× the quietest.

What does it cost to enter the fat burners niche?

Listings span £5.09–£51.06; the average listing price is £16.90 (sweet spot $15–$100). The average incumbent carries 1,320 reviews — the moat a new listing must climb.

fat burners

Worth a look

Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Avg price

Great£16.90

avg listing price — sweet spot $15–$100

Price range

Great£5.09–£51.06

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

Brand share

Good69%

top-5 brand share — brands hold most of the demand

Review moat

Good1,320.35

avg incumbent reviews — the moat a new listing must climb

Conversion

Okay3.9%

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

Market size

Okay£219K

£219K/yr · 331K searches

Competition

Okay62%

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

Growth

Okay+3.9%

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

According to Flapen's Amazon United Kingdom niche tracking, fat burners is a £219K/yr Amazon United Kingdom market (331K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Jul–Aug. Verdict: Worth a look — 57/100.

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

fat burners market data

Units sold / yr: 13K–15K; avg 750–1,000/product
Revenue / yr: £211K–£254K; units × avg price
Conversion rate: 3.9%
Avg BSR: #35
Page quality: 0%
Prime: 100%
Sponsored: 60%
Out of stock: 2.6%
Avg brand age: 39 months
Avg seller age: 154 days

Competition & brand share

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 rising

Sellers

Top-5 brand share

69%

Top 20: 100%

Top-5 click share

62%

Top 20: 100%

Open market

25%

Pro BRN Supplement22%
Grenade21%
BioRevive9%
Applied Nutrition9%
Iron Labs Nutrition8%
T5 Fat Burners6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +3.9% search growth over the last 90 days.

Peak months: Jul, Aug · busiest ÷ quietest = 4.3×

Open Trend

Top fat burners search terms

fat burner86K/yr +69.4%2.4% conv.
fat burners for men126K/yr -25.1%3.4% conv.
fat burners24K/yr +3.7%3.2% conv.
belly fat burner for men23K/yr +22.7%0.6% conv.
fat burner nutritional supplements18K/yr -5.9%0.6% conv.
thermogenic fat burners9K/yr +2.5%2.1% conv.
fat burn8K/yr +14.0%1.0% conv.
grenade thermo detonator6K/yr -5.7%11.9% conv.
grenade fat burners5K/yr +0.9%11.4% conv.
thermogenic4K/yr +35.1%2.1% conv.

All search terms

Top fat burners 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 20 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Pro BRN - Weight Management & Pre-Workout 90 Vegan Capsules with Caffeine Green Tea Cayenne & Citrus Aurantium Metabolism & Energy for Women & Men 45 Day Supply Made in UK

Pro BRN Supplement£19.844.3★2,100 rev

Grenade Thermo Detonator Weight Management Supplement Tub of 100 Capsules (Packaging May Vary)

Grenade£18.524.2★6,507 rev

BioRevive Cut Xtreme Vegan 780mg Capsules with L-Carnitine Green Tea B Vitamins & Caffeine for Energy Focus & Wellness Support | Pre-Workout & Daily Performance Supplement

BioRevive£12.983.8★628 rev

Iron Labs T5 Xtreme for Men & Women High Strength Complex 180 Capsules

Iron Labs Nutrition£20.804.0★2,617 rev

Applied Nutrition CLA + L-Carnitine & Green Tea - Fat Burner for Weight Loss Energy & Metabolism Support (100 Capsules / 50 Servings)

Applied Nutrition£14.214.6★33 rev

Newest

by launch date

ARMSTRONG AMERICA Mens Compression Shirt Slimming Shapewear | V Neck Gynecomastia Compression Shirts for Men | Body Shaper Undershirt Tank Top (Black 3X-Large - Tall)

ARMSTRONG AMERICA£20.7275 rev

3mo ago

Rise & Shred - Day Time Fat Burners for Men & Women Weight Loss - Weight Loss Pills that Work Fast - Premium Science-Backed Ingredients - Appetite Suppressant - Made in the UK - 60x Diet Pills

Internal Youth£20.4841 rev

6mo ago

BioRevive Cut Xtreme Vegan 780mg Capsules with L-Carnitine Green Tea B Vitamins & Caffeine for Energy Focus & Wellness Support | Pre-Workout & Daily Performance Supplement

BioRevive£12.98628 rev

11mo ago

Vangard Performance Essential Fat Fighter Capsules - Thermogenic Support Blend with Capsicum Green Tea EGCG Caffeine & Vitamins B6 & B12 - Energy & Metabolism Support 30 Servings (60 Capsules)

Vangard Performance£7.6737 rev

1y ago

Applied Nutrition CLA + L-Carnitine & Green Tea - Fat Burner for Weight Loss Energy & Metabolism Support (100 Capsules / 50 Servings)

Applied Nutrition£14.2133 rev

1y ago

What buyers say about fat burners

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

What buyers love

Weight Loss16%

“Great for weight loss”

Quality-Overall14%

“Great quality, powerful blend, and easy to take”

Energy Level12%

“Good for energy levels”

Value For Money8%

“Good value”

Advertised Vs Actual Product5%

“As advertised”

Side Effects5%

“No side effects”

Ease Of Use4%

“Easy to take”

Nutritional Content3%

“Best Supplements”

Ease Of Chewing/Swallowing3%

“The vegan capsules are a comfortable size to swallow”

Regulates Digestion3%

“No aftertaste and no digestive issues”

What buyers complain about

Functionality-Overall23%

“Never worked”

Weight Loss12%

“Didnt work for weight loss”

Value For Money7%

“WASTE OF MONEY”

Side Effects6%

“I was getting dizziness”

Quality-Overall5%

“Quality is very bad”

Nutritional Content4%

“Rubbish as do nothing to help with hunger”

Regulates Digestion3%

“Causes acid reflux”

Dosage2%

“couldn't take”

Energy Level2%

“There's no peaky spike in energy”

Taste-Overall2%

“dont have any strong or unpleasant taste”

Top return reasons

Size-Overall100%

Shoulder Fit5%

Common questions

Is fat burners profitable to sell on Amazon United Kingdom?: The niche generates £219K/yr across 20 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +3.9%. Flapen's verdict: Worth a look (57/100).
How competitive is the fat burners niche?: 18 brands and 38 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 69% of demand.
What do buyers complain about in fat burners?: Top complaints mined from reviews: Functionality-Overall, Weight Loss, Value For Money. The return rate is 0.1%.
When does demand for fat burners peak?: Demand peaks in Jul–Aug; the busiest month runs 4.3× the quietest.
What does it cost to enter the fat burners niche?: Listings span £5.09–£51.06; the average listing price is £16.90 (sweet spot $15–$100). The average incumbent carries 1,320 reviews — the moat a new listing must climb.