Is slimming world food diary profitable to sell on Amazon United Kingdom?

The niche generates £25K/yr across 17 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -4.7%. Flapen's verdict: Skip it (34/100).

How competitive is the slimming world food diary niche?

9 brands and 12 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 92% of demand.

What do buyers complain about in slimming world food diary?

Top complaints mined from reviews: Size-Overall, Writing Experience, Design-Overall. The return rate is 1.4%.

When does demand for slimming world food diary peak?

Demand peaks in Jan–Feb; the busiest month runs 3.1× the quietest.

What does it cost to enter the slimming world food diary niche?

Listings span £5.11–£16.05; the average listing price is £9.25 (sweet spot $15–$100). The average incumbent carries 771 reviews — the moat a new listing must climb.

slimming world food diary

Skip it

A small market ($25K/yr) — this niche doesn't clear our bar today.

Returns

Great1.4%

return rate — above 5% kills the launch gate

Review moat

Good770.71

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.5%

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

Competition

Okay66%

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

Avg price

Okay£9.25

avg listing price — sweet spot $15–$100

Growth

Bad-4.7%

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

Brand share

Bad92%

top-5 brand share — brand-locked demand

Price range

Bad£5.11–£16.05

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

Market size

Bad£25K

£25K/yr · 106K searches

According to Flapen's Amazon United Kingdom niche tracking, slimming world food diary is a £25K/yr Amazon United Kingdom market (106K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Jan–Feb. Verdict: Skip it — 34/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

slimming world food diary market data

Units sold / yr: 3K–4K; avg 100–250/product
Revenue / yr: £28K–£37K; units × avg price
Conversion rate: 2.5%
Avg BSR: #639
Page quality: 0%
Prime: 88%
Sponsored: 35%
Out of stock: 36.6%
Avg brand age: 31 months
Avg seller age: 204 days

Competition & brand share

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 flat

Sellers

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

66%

Top 20: 100%

Open market

rockthemod44%
Bloomingorgeous22%
Fabulous Planning15%
Cute Little Gift Shop6%
Boxclever Press5%
Strivee4%
Open — no brand owns it (3 brands, 4%)

Demand & seasonality

Weekly Amazon search volume, last 82 weeks — -4.7% search growth over the last 90 days.

Peak months: Jan, Feb · busiest ÷ quietest = 3.1×

Open Trend

Top slimming world food diary search terms

slimming world food diary86K/yr -3.3%2.2% conv.
slimming world diary6K/yr +9.0%2.4% conv.
slimming world planner3K/yr -1.5%1.4% conv.
slimming world meal planner3K/yr -22.5%0.9% conv.
food diary journal slimming world5K/yr -44.7%1.6% conv.
slimming world food diary with syn2K/yr +130.7%1.7% conv.
slimming world diarys2K/yr -57.9%1.9% conv.

All search terms

Top slimming world food diary 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 17 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

rockthemod SW Slimming Diet Healthy Food Mood Fitness Tracker Journal Log Book Diary Full Colour | Slimming World Compatible 12 Week (A6)

rockthemod£5.114.2★1,923 rev

S W Slimming Diet Healthy Food Mood Fitness Tracker Journal Log Book Diary Full Colour | Slimming World Compatible 12 Week (A6)

rockthemod£5.204.0★1,120 rev

Slimming World Compatible Food Diary Diet Planner Weight Loss Journal 12 Week - Find Yourself

Bloomingorgeous£12.744.6★241 rev

Slimming World Compatible Food Diet Diary Log Journal Weight Loss Wellness 7 Week Duration With Stickers 2024 (After The Storm Comes A Rainbow)

Fabulous Planning£9.054.3★605 rev

Slimming World Compatible Food Diet Diary Log Journal Weight Loss Wellness 7 Week Duration With Stickers 2024 (Im Not There Yet... Flamingos)

Fabulous Planning£9.174.3★605 rev

Newest

by launch date

Strivee Food Diary Slimming World Compatible 12 Week Diet Planner A5 Weight Loss Journal Motivational Designed and Printed in UK (Green)

Strivee£11.859 rev

3mo ago

Bloomingorgeous 12 Week Weight Loss Journal & Food Diary Diet Planner Meal Planner & Habit Tracker | A5 Full Colour 168 Page Wellness Planner

Bloomingorgeous£16.052 rev

6mo ago

Mistep 2026 Dairy Planner Notebook A5 With Line Pages Metal Coil Calendar Weekly Plan Work Record Schedule 100G Writing Paper for US(Red notebook)

Mistep£5.326 rev

10mo ago

Food Diary - Food Journal Undated 6 Months for Weight Loss Meal Planner to Count Calories 5.8 x 8.3 Keep Healthy Diet & Achieve Fitness Goals - Purple

Journaltastic£7.8120 rev

1y ago

Boxclever Press Food Journal. Undated 13-Week Food Diary with Food Planner Trackers & More. Weight Loss Journal works with most well known Diet Plans. Food Diary Journal to track meals and progress.

Boxclever Press£6.724,814 rev

2y ago

What buyers say about slimming world food diary

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

What buyers love

Advertised Vs Actual Product21%

“Exactly as expected”

Value For Money16%

“I did buy one as its a lot cheaper”

Design-Overall13%

“The layout is clear”

Ease Of Use10%

“its so easy to use”

Quality-Overall7%

“Lovely quality cover”

Document Organizing/Classification6%

“Great planner for SW”

Color4%

“A colourful frontage”

Size-Overall4%

“The A5 size is perfect”

Touch/Button Controls3%

“there are extra touches”

Durability3%

“The cover feels durable”

What buyers complain about

Size-Overall48%

“so not really impressed with the size”

Writing Experience21%

“Very small writing hard to read”

Design-Overall8%

“New design.(awful). This book is awful. They have changed the design so you cannot put as much down as before”

Thickness4%

“the paper is smooth although its quite thin”

Paper Quality4%

“paper quality poor”

Ease Of Use4%

“the smaller version is hard to use”

Quality-Overall2%

“cheap quality”

Print Quality2%

“Flimsy, cheap quality, unattractive with faded print which is difficult to read”

Value For Money2%

“Just not worth the price”

Top return reasons

Size-Overall70%

Print Quality6%

Writing Experience5%

Value For Money4%

Advertised Vs Actual Product3%

Quality-Overall3%

Paper Quality2%

Ease Of Use1%

Defective Material/Parts1%

Gifting Purpose1%

Common questions

Is slimming world food diary profitable to sell on Amazon United Kingdom?: The niche generates £25K/yr across 17 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -4.7%. Flapen's verdict: Skip it (34/100).
How competitive is the slimming world food diary niche?: 9 brands and 12 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in slimming world food diary?: Top complaints mined from reviews: Size-Overall, Writing Experience, Design-Overall. The return rate is 1.4%.
When does demand for slimming world food diary peak?: Demand peaks in Jan–Feb; the busiest month runs 3.1× the quietest.
What does it cost to enter the slimming world food diary niche?: Listings span £5.11–£16.05; the average listing price is £9.25 (sweet spot $15–$100). The average incumbent carries 771 reviews — the moat a new listing must climb.