Is weight loss profitable to sell on Amazon United Kingdom?

The niche generates £1.4M/yr across 45 tracked products. 10 of 25 products launched in the last 360 days are still selling. 90-day search growth is -7.9%. Flapen's verdict: Worth a look (70/100).

How competitive is the weight loss niche?

35 brands and 72 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 45% of demand.

What do buyers complain about in weight loss?

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

When does demand for weight loss peak?

Demand peaks in May; the busiest month runs 1.9× the quietest.

What does it cost to enter the weight loss niche?

Listings span £5.08–£65.72; the average listing price is £15.11 (sweet spot $15–$100). The average incumbent carries 762 reviews — the moat a new listing must climb.

weight loss

Worth a look

Shows beatable incumbent ratings (3.5★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Quality gap

Incredible3.5★

avg incumbent rating — lower means beatable quality

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Brand share

Great45%

top-5 brand share — no brand owns this niche

Market size

Great£1.4M

£1.4M/yr · 3.3M searches

Price range

Great£5.08–£65.72

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

Avg price

Great£15.11

avg listing price — sweet spot $15–$100

Competition

Good43%

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

Review moat

Good762.16

avg incumbent reviews — the moat a new listing must climb

Conversion

Okay2.8%

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

Growth

Bad-7.9%

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

Signals No Dominant Brand Quality Gap Out of Stock

According to Flapen's Amazon United Kingdom niche tracking, weight loss is a £1.4M/yr Amazon United Kingdom market (3.3M searches/yr). The top 5 brands hold 45% of demand. Demand peaks in May. Verdict: Worth a look — 70/100.

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

weight loss market data

Units sold / yr: 80K–100K; avg 2,000–2,500/product
Revenue / yr: £1.2M–£1.5M; units × avg price
Conversion rate: 2.8%
Avg BSR: #275
Page quality: 0%
Prime: 91%
Sponsored: 73%
Out of stock: 14.2%
Avg brand age: 41 months
Avg seller age: 161 days

Competition & brand share

The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.

Brands

35 rising

Sellers

Top-5 brand share

45%

Top 20: 83%

Top-5 click share

43%

Top 20: 74%

Open market

51%

Pro BRN Supplement15%
Kind Patches11%
Nutrition Geeks8%
Vinco Supplements7%
Tilibra5%
Witoshilye4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -7.9% search growth over the last 90 days.

Peak months: May · busiest ÷ quietest = 1.9×

Open Trend

Top weight loss search terms

weight loss1.1M/yr -4.9%1.2% conv.
weight loss patches440K/yr -12.4%1.6% conv.
slimming patches for weight loss146K/yr -6.1%1.2% conv.
glp1 weight loss patches280K/yr -38.4%1.6% conv.
weight loss pills that work fast178K/yr +6.8%1.4% conv.
appetite suppressants women155K/yr -11.2%2.0% conv.
weight loss pills138K/yr +7.4%1.1% conv.
weight loss tablets86K/yr +24.1%1.3% conv.
weight loss injections107K/yr -12.6%0.3% conv.
fat burners for women weight loss115K/yr -27.3%1.6% conv.

All search terms

Top weight loss 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 24 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

Kind Patches | Appetite Suppressant Patches | 30 Pack

Kind Patches£9.823.5★274 rev

Apple Cider Vinegar Capsules 15 000mg with Mother & 30% Acetic Acid - Enhanced with Chromium & Cayenne Pepper - 90 Vegan Capsules (Not Apple Cider Vinegar Gummies or Liquid) Teeth Friendly - UK Made

Nutrition Geeks£8.244.4★996 rev

Vinco Colon Cleanse 15 Day Detox - Supports Weight Loss - Eliminates Toxins - Relieves Constipation & Bloating - Probiotics for Gut Health - Promotes Regularity - Herbal Stool Softener

Vinco Supplements£8.234.2★1,313 rev

Apple Cider Vinegar Gummies with The Mother 1000mg | Enhanced with Vitamin B12 & Folic Acid | 60 Vegan ACV Capsules with Pomegranate & Beetroot Powder | Natural Ingredients by Free Soul

Free Soul£8.174.3★7,024 rev

Newest

by launch date

All in 1 Appetite Support - Appetite Suppressants for Women and Men - Weight Loss Pills that Work Fast - Clinically Studied Gut Health Prebiotic + Probiotics + Natural Extracts - 30 Day Supply

Internal Youth£23.6821 rev

1mo ago

Weight Loss Patch 50 PCS Slimming Patches for Belly Fat Plant-Powered Sweat-Activated Formula | Thermal Targeting for Waist Abdomen & Love Handles | Detox & Cellulite Support

Zavonirae£8.5615 rev

3mo ago

Amulet Appetite Suppressant for Women & Men Hunger Support with Gymnema Cinnamon & Chromium - Food Supplement - 60 Vegan Capsules

Amulet£14.1647 rev

3mo ago

Weight Loss Patches Moringa 10-IN-1 Advanced Nano Microneedle Patch 2026 New Natural Slimming Patches Wellness Management Patch for Women and Men Gentle Soothing Suitable for All Skin Types (2 Pack)

Witoshilye£8.7618 rev

4mo ago

Purelora ACV x EGCG 10-in-1 Advanced Nano Microneedle Patch Purelora Weight Loss Patches Natural Moringa Patches Gentle Soothing for Men & Women (2)

SynthaFlora£16.5932 rev

4mo ago

What buyers say about weight loss

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

What buyers love

Quality-Overall13%

“Good quality and item arrived in quick time”

Weight Loss9%

“has helped with my weight loss”

Value For Money8%

“good value for money”

Taste-Overall7%

“tastes lovely as well”

Advertised Vs Actual Product6%

“As advertised”

Ease Of Use6%

“Easy to take”

Efficiency5%

“Works well”

Regulates Digestion3%

“less Bloating”

Ease Of Chewing/Swallowing3%

“Easy to chew”

Energy Level3%

“Energy boost”

What buyers complain about

Functionality-Overall21%

“Don't work as described”

Weight Loss7%

“Not for weight loss”

Value For Money7%

“WASTE OF MONEY”

Allergies5%

“Rash”

Size-Overall5%

“Far too small”

Side Effects5%

“I was getting dizziness”

Quality-Overall4%

“Poor quality”

Advertised Vs Actual Product4%

“False information”

Dosage4%

“the dosage was actually very low”

Acid Regulator/Stomach Ache Relief3%

“stomach pain”

Top return reasons

Functionality-Overall19%

Advertised Vs Actual Product14%

Size-Overall14%

Defective Material/Parts9%

Adhesion/Stickiness6%

Noise Level3%

Quality-Overall3%

Weight Heavy3%

Value For Money2%

Durability2%

Common questions

Is weight loss profitable to sell on Amazon United Kingdom?: The niche generates £1.4M/yr across 45 tracked products. 10 of 25 products launched in the last 360 days are still selling. 90-day search growth is -7.9%. Flapen's verdict: Worth a look (70/100).
How competitive is the weight loss niche?: 35 brands and 72 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 45% of demand.
What do buyers complain about in weight loss?: Top complaints mined from reviews: Functionality-Overall, Weight Loss, Value For Money. The return rate is 0.1%.
When does demand for weight loss peak?: Demand peaks in May; the busiest month runs 1.9× the quietest.
What does it cost to enter the weight loss niche?: Listings span £5.08–£65.72; the average listing price is £15.11 (sweet spot $15–$100). The average incumbent carries 762 reviews — the moat a new listing must climb.