Is corn syrup profitable to sell on Amazon United Kingdom?

The niche generates £79K/yr across 9 tracked products. 90-day search growth is -7.9%. Flapen's verdict: Skip it (39/100).

How competitive is the corn syrup niche?

3 brands and 22 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in corn syrup?

Top complaints mined from reviews: Functionality-Overall, Nutritional Content. The return rate is 0.0%.

When does demand for corn syrup peak?

Demand peaks in Oct–Nov–Dec; the busiest month runs 2.4× the quietest.

What does it cost to enter the corn syrup niche?

Listings span £6.69–£27.01; the average listing price is £11.65 (sweet spot $15–$100). The average incumbent carries 706 reviews — the moat a new listing must climb.

corn syrup

Skip it

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

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Great11.1%

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

Review moat

Good705.78

avg incumbent reviews — the moat a new listing must climb

Price range

Good£6.69–£27.01

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

Avg price

Okay£11.65

avg listing price — sweet spot $15–$100

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-7.9%

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

Market size

Bad£79K

£79K/yr · 61K searches

Competition

Bad85%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, corn syrup is a £79K/yr Amazon United Kingdom market (61K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Oct–Nov–Dec. Verdict: Skip it — 39/100.

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

corn syrup market data

Units sold / yr: 6K–8K; avg 500–750/product
Revenue / yr: £70K–£93K; units × avg price
Conversion rate: 11.1%
Avg BSR: #149
Page quality: 0%
Prime: 78%
Sponsored: 67%
Out of stock: 0.0%
Avg brand age: 85 months
Avg seller age: 173 days

Competition & brand share

The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 flat

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

85%

Top 20: 100%

Open market

KARO87%
DAESANG9%
CJ4%
Open — no brand owns it (0%)

Demand & seasonality

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

Peak months: Oct, Nov, Dec · busiest ÷ quietest = 2.4×

Open Trend

Top corn syrup search terms

corn syrup44K/yr -8.3%9.1% conv.
corn syrup uk8K/yr -14.3%10.2% conv.
light corn syrup5K/yr -5.5%15.1% conv.
karo syrup4K/yr +8.7%14.5% conv.

All search terms

Top corn syrup 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

KARO Light Corn Syrup - Vanilla Flavoured - Gluten Free - High Fructose Corn Syrup Free - Ideal for Baking 473 millimetre (Pack of 1)

KARO£6.694.5★2,143 rev

Karo Light Corn Syrup 473ml

KARO£6.924.6★498 rev

Karo Light Corn Syrup 16oz / 473ml (Pack of 2)

KARO£10.604.6★116 rev

Chung Jung One Corn Salt Syrup 700 g

DAESANG£6.754.6★127 rev

Karo Light Corn Syrup 473ml (1 Pint) (Pack of 3)

KARO£14.004.6★1,330 rev

Newest

by launch date

Karo Light Corn Syrup (Pack of 2)

KARO£27.0126 rev

6y ago

Daesang Corn Syrup - 5kg

DAESANG£16.34195 rev

9y ago

CJ Beksul Corn Syrup 700g

CJ£8.34587 rev

9y ago

Karo Light Corn Syrup 473ml

KARO£6.92498 rev

11y ago

Karo Light Corn Syrup 16oz / 473ml (Pack of 2)

KARO£10.60116 rev

11y ago

What buyers say about corn syrup

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

What buyers love

Sweetness19%

“Great for royal icing”

Value For Money19%

“Brilliant value”

Baking17%

“Perfect for making Gelato in a Ninja Cresmi deluxe”

Advertised Vs Actual Product8%

“Just what I needed”

Taste-Overall8%

“Best cornbread syrup around”

Quality-Overall8%

“good product”

Ingredients-Overall8%

“Good syrup”

Thickness8%

“Good thx”

What buyers complain about

Functionality-Overall50%

“Tried Golden Syrup-didn't work”

Nutritional Content17%

“I just want the extra calories”

Common questions

Is corn syrup profitable to sell on Amazon United Kingdom?: The niche generates £79K/yr across 9 tracked products. 90-day search growth is -7.9%. Flapen's verdict: Skip it (39/100).
How competitive is the corn syrup niche?: 3 brands and 22 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in corn syrup?: Top complaints mined from reviews: Functionality-Overall, Nutritional Content. The return rate is 0.0%.
When does demand for corn syrup peak?: Demand peaks in Oct–Nov–Dec; the busiest month runs 2.4× the quietest.
What does it cost to enter the corn syrup niche?: Listings span £6.69–£27.01; the average listing price is £11.65 (sweet spot $15–$100). The average incumbent carries 706 reviews — the moat a new listing must climb.