Is the ordinary vitamin c profitable to sell on Amazon United Kingdom?

The niche generates £161K/yr across 7 tracked products. 90-day search growth is -5.3%. Flapen's verdict: Skip it (44/100).

How competitive is the the ordinary vitamin c niche?

5 brands and 86 sellers compete. The top 5 products take 94% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in the ordinary vitamin c?

Top complaints mined from reviews: Allergies, Smell, Quality-Overall. The return rate is 0.1%.

When does demand for the ordinary vitamin c peak?

Demand peaks in Feb; the busiest month runs 1.5× the quietest.

What does it cost to enter the the ordinary vitamin c niche?

Listings span £6.31–£89.26; the average listing price is £24.12 (sweet spot $15–$100). The average incumbent carries 4,416 reviews — the moat a new listing must climb.

the ordinary vitamin c

Skip it

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

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Avg price

Incredible£24.12

avg listing price — sweet spot $15–$100

Price range

Great£6.31–£89.26

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Conversion

Good6.5%

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

Market size

Okay£161K

£161K/yr · 103K searches

Review moat

Bad4,415.86

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-5.3%

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

Competition

Bad94%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals Low Review Barrier

According to Flapen's Amazon United Kingdom niche tracking, the ordinary vitamin c is a £161K/yr Amazon United Kingdom market (103K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Feb. Verdict: Skip it — 44/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

the ordinary vitamin c market data

Units sold / yr: 6K–8K; avg 750–1,000/product
Revenue / yr: £145K–£193K; units × avg price
Conversion rate: 6.5%
Avg BSR: #1,520
Page quality: 0%
Prime: 86%
Sponsored: 57%
Out of stock: 14.3%
Avg brand age: 54 months
Avg seller age: 150 days

Competition & brand share

The top 5 products capture 94% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 flat

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

94%

Top 20: 100%

Open market

CeraVe62%
The INKEY List20%
Timeless Skin Care9%
Geek & Gorgeous6%
Garnier3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -5.3% search growth over the last 90 days.

Peak months: Feb · busiest ÷ quietest = 1.5×

Open Trend

Top the ordinary vitamin c search terms

timeless vitamin c serum29K/yr -9.1%0.7% conv.
cerave vitamin c serum30K/yr +0.0%8.0% conv.
cerave vitamin c11K/yr -22.5%5.4% conv.
timeless vitamin c9K/yr +12.8%0.5% conv.
cerave skin renewing vitamin c serum5K/yr +25.4%8.0% conv.
inkey list vitamin c serum7K/yr -20.9%15.0% conv.
cerave vitamin c serum for face4K/yr -8.4%6.9% conv.
inkey list vitamin c3K/yr -9.0%18.0% conv.
cera ve vitamin c serum2K/yr -11.0%9.3% conv.
timeless skin care1K/yr +18.2%0.0% conv.

All search terms

Top the ordinary vitamin c 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 7 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

CeraVe Skin Renewing Vitamin C Serum for Sensitive & All Skin Types 30ml

CeraVe£16.924.4★264 rev

The INKEY List 15% Vitamin C and EGF Serum Helps to Intensively Brighten All Skin Types 30ml

The INKEY List£8.214.4★1,623 rev

Geek & Gorgeous 101 C-Glow - 15% Vitamin C Serum super-light + Ferulic acid & vitamin E gives environmental protection boost collagen & evens skin tone - all skin types 30ml

Geek & Gorgeous£10.814.3★2,007 rev

Timeless Vitamin C Plus E 20 Percent Ferulic Acid Serum For Unisex 4 oz Serum

Timeless Skin Care£89.264.4★288 rev

Timeless Hyaluronic Acid Vitamin C Serum For Unisex 1 oz Serum

Timeless Skin Care£29.964.3★45 rev

Newest

by launch date

CeraVe Skin Renewing Vitamin C Serum for Sensitive & All Skin Types 30ml

CeraVe£16.92264 rev

1y ago

Geek & Gorgeous 101 C-Glow - 15% Vitamin C Serum super-light + Ferulic acid & vitamin E gives environmental protection boost collagen & evens skin tone - all skin types 30ml

Geek & Gorgeous£10.812,007 rev

3y ago

Timeless Hyaluronic Acid Vitamin C Serum For Unisex 1 oz Serum

Timeless Skin Care£29.9645 rev

3y ago

Garnier Vitamin C Brightening Serum for Face with 4% Vitamin C Niacinamide & Salicylic Acid Brightens Skin Reduces Dark Spots & Evens Skin Tone Serum 30ml

Garnier£6.3125,432 rev

4y ago

The INKEY List 15% Vitamin C and EGF Serum Helps to Intensively Brighten All Skin Types 30ml

The INKEY List£8.211,623 rev

5y ago

What buyers say about the ordinary vitamin c

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

What buyers love

Suitability Combination Skin11%

“A good solid product to help maintain a healthy mature skin”

Quality-Overall10%

“Excellent product”

Brightness/Shine/Glow10%

“Glow”

Value For Money7%

“Great value”

Efficiency7%

“It is effective”

Soft Feel7%

“it feels good”

Absorbency5%

“Absorbs nicely”

Moist/Dry4%

“Moisturising, absorbs quickly and non-greasy”

Ease Of Use4%

“Easy to use”

Smell3%

“fragrance free meaning it's good for sensitive skin like mine”

What buyers complain about

Allergies19%

“Allergic reaction”

Smell13%

“Strong smell”

Quality-Overall6%

“the quality is shocking”

Moist/Dry6%

“It is not hydrating”

Symptom Reduction4%

“its difficult to know which product is responsible for any improvements Ive seen”

Adhesion/Stickiness4%

“the marks don't tend to stick around for as long”

Durability3%

“Oxidised quickly, does not last long”

Value For Money3%

“I'm going back to my previous Vitc SERUM. slightly more expensive brand”

Sensitivity-Overall3%

“Would not recommend for someone with sensitive skin, leave an little burning feeling and redness”

Functionality-Overall3%

“Didn't really do anything visibly”

Top return reasons

Suitability Combination Skin19%

Product Condition13%

Color13%

Smell13%

Compatibility-Overall6%

Functionality-Overall6%

Skin Health6%

Adhesion/Stickiness6%