Is caffeine free diet coke profitable to sell on Amazon United Kingdom?

The niche generates £581K/yr across 9 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +31.9%. Flapen's verdict: Skip it (44/100).

How competitive is the caffeine free diet coke niche?

3 brands and 83 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in caffeine free diet coke?

Top complaints mined from reviews: Taste-Overall, Value For Money, Quality-Overall. The return rate is 0.0%.

When does demand for caffeine free diet coke peak?

Demand peaks in May–Jun; the busiest month runs 2.8× the quietest.

What does it cost to enter the caffeine free diet coke niche?

Listings span £1.46–£10.84; the average listing price is £5.31 (sweet spot $15–$100). The average incumbent carries 3,683 reviews — the moat a new listing must climb.

caffeine free diet coke

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Conversion

Incredible22.5%

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

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Market size

Good£581K

£581K/yr · 485K searches

Growth

Good+31.9%

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

Review moat

Okay3,682.89

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Avg price

Bad£5.31

avg listing price — sweet spot $15–$100

Competition

Bad86%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Price range

Bad£1.46–£10.84

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

According to Flapen's Amazon United Kingdom niche tracking, caffeine free diet coke is a £581K/yr Amazon United Kingdom market (485K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Jun. Verdict: Skip it — 44/100.

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

caffeine free diet coke market data

Units sold / yr: 125K–150K; avg 12,500–15,000/product
Revenue / yr: £664K–£797K; units × avg price
Conversion rate: 22.5%
Avg BSR: #20
Page quality: 0%
Prime: 100%
Sponsored: 78%
Out of stock: 0.0%
Avg brand age: 56 months
Avg seller age: 169 days

Competition & brand share

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

Brands

3 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

86%

Top 20: 100%

Open market

Pepsi50%
Diet Coke30%
Coca-Cola Zero20%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — +31.9% search growth over the last 90 days.

Peak months: May, Jun · busiest ÷ quietest = 2.8×

Open Trend

Top caffeine free diet coke search terms

pepsi max caffeine free119K/yr +47.7%19.5% conv.
caffeine free diet coke101K/yr +26.5%19.2% conv.
coke zero caffeine free60K/yr +44.6%15.3% conv.
caffeine free pepsi max40K/yr +32.7%18.0% conv.
diet coke caffeine free34K/yr -9.2%18.0% conv.
caffeine free coke26K/yr -4.6%12.1% conv.
caffeine free16K/yr +26.9%9.7% conv.
pepsi max caffeine free 24 pack11K/yr +66.5%15.1% conv.
caffeine free coke zero12K/yr +32.0%14.0% conv.
pepsi max cans 24pk caffeine free9K/yr +114.1%14.7% conv.

All search terms

Top caffeine free diet coke 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 9 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Pepsi Max No Caffeine 330ml Can (Pack of 24)

Pepsi£6.694.8★2,456 rev

Diet Coke Caffeine Free Soft Drink Cans 24 x 330 mL

Diet Coke£7.044.8★1,080 rev

Coca-Cola Zero Sugar Caffeine Free Soft Drink Cans 8 x 330 mL

Coca-Cola Zero£2.874.6★1,443 rev

Diet Coke Caffeine Free Soft Drink Cans 8 x 330 mL

Diet Coke£3.144.7★1,170 rev

Pepsi Max No Caffeine & No Sugar Soft Drinks 8 x 330ml

Pepsi£2.984.7★1,987 rev

Newest

by launch date

Coke Zero Caffeine Free 24pk Box

Coca-Cola Zero£10.8420 rev

4mo ago

Pepsi Max No Caffeine 330ml Can (Pack of 24)

Pepsi£6.692,456 rev

3y ago

Diet Coke Caffeine Free Soft Drink Cans 24 x 330 mL

Diet Coke£7.041,080 rev

3y ago

Coca-Cola Zero Sugar Caffeine Free Soft Drink Cans 8 x 330 mL

Coca-Cola Zero£2.871,443 rev

4y ago

Pepsi Max No Caffeine No Sugar Cola Bottle 2L

Pepsi£1.461,296 rev

5y ago

What buyers say about caffeine free diet coke

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

What buyers love

Value For Money48%

“very affordable”

Taste-Overall19%

“Excellent taste”

Quality-Overall7%

“A case of your standard good quality”

Caffeine Content6%

“Just as good as full caffeine”

Alcohol Flavor3%

“Nice soft drink”

Advertised Vs Actual Product2%

“As advertised”

Sweetness2%

“Best sugar free drink”

Flavor2%

“refreshing flavour — rich caramel notes”

Freshness2%

“Refreshing and Easy to Drink Anytime”

Ease Of Use1%

“Easy use”

What buyers complain about

Taste-Overall38%

“Awful taste”

Value For Money7%

“Not the cheapest”

Quality-Overall5%

“Hopefully just a quality control issue”

Caffeine Content4%

“it doesn't good for anyone don't cafferine energy drinks”

Ease Of Use4%

“cant be opened”

Advertised Vs Actual Product4%

“Flawed Listing”

Flavor4%

“Flavour is wrong”

Storage Temperature3%

“Blown cans”

Stale/Rotten/Spoiled3%

“Rubbish”