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Vitamin C

Maybe

An estimated 0.1% of orders come back. But demand is soft, at -21.6% this quarter, so Vitamin C is a Maybe.

Flapen Score
57
57 / 100
Top 15% of 2,035 Health & Personal Care niches · +9 vs the category median of 48
Market size
£1.7M/yr1.6M searches / yr
90-day growth
-21.6%search demand this quarter
Competition
53%top-5 click share · 17 brands · 83 sellers

Flapen Score

Vitamin C against its category

The dotted line is the Health & Personal Care average. Past it, Vitamin C is stronger. Inside it, weaker.

57Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Vitamin C market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Vitamin C 1.6M times last year and spent an estimated £1.7M. The top 5 brands take 66% of clicks. Flapen scores it 57 out of 100, a Maybe.

01 · Demand

An estimated 13.2% of those searches ended in a purchase.

Shoppers searched for this 1.6M times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 13.2% of those searches ended in a purchase. Searches in the last 90 days moved -21.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated £1.7M a year.

Searches, last 12 months
1.6M
Growth, 90 days vs prior 90
-21.6%
Conversion, latest week
13.2%
Market size, estimated
£1.7Ma year
Peak month
January1.6× the quietest month
Top search term
vitamin c1.3M searches a year

02 · Price

A sale here is worth £8.04.

Listings sell for £8.04 on average, from £2.92 to £19.07. Amazon reports units sold in ranges. This niche sold 200K to 250K a year. The average listing sells 10,000 to 12,500 of them. At £8.04 that is £80K to £100K a year per listing.

Average price
£8.04under the $15 to $100 sweet spot
Price range
£2.92–£19.07
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
200K–250K
Units per listing a year
10,000–12,500
Revenue per listing a year
£80K–£100K
Returns
0.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads and reviews.

92% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.4% of listings are out of stock. The average listing ranks #21 within Vitamins. It carries 3,429 reviews at 4.53 stars, so a new listing needs social proof before a better product.

Sponsored listings
92%
Prime listings
100%
Out of stock, average day
0.4%
Average rank
#21in Vitamins
Average rating
4.53 starsAmazon United Kingdom average 4.36 stars
Average reviews
3,429per listing
Listings tracked
25

04 · Newcomers

0 of last year's 1 launches cleared the first-year sales bar.

1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 66 months on average, so the names here are established.

Launched, last 12 months
1
Successful launches
0Amazon's first-year sales bar
Average brand age
66 months

Products

Top Vitamin C products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 25, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 53% of clicks. Leaders hold, but buyers still shop past them.

£0£172K£345K£517K£690K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

17 rising

Sellers

83

Est. top-5 brand share

66%

Top 20: 100%

Est. top-5 click share

53%

Top 20: 94%

Open market

29%

  • WeightWorld25%
  • Nutravita17%
  • Vitabiotics Ultra9%
  • Natures Aid8%
  • Solgar7%
  • Zipvit5%

Demand

Vitamin C search demand

Weekly searches over the year, seasonality beneath. Pick a range.

40K30KSpike '24Spike '25Prime Day '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.6×

Search terms

Top Vitamin C search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • vitamin c1.3M/yr
  • vitamin c tablets136K/yr
  • vit c49K/yr
  • vitamin c 1000mg45K/yr
  • high strength vitamin c20K/yr
  • vit c tablets13K/yr
  • vitamin c capsules15K/yr
  • vitamin c supplements14K/yr
  • vitamin c 1000mg tablets8K/yr
  • vitabiotics vitamin c9K/yr

Reviews and returns

What reviews say buyers love and hate about Vitamin C

We read the reviews and the return reasons for every product selling here.

20%of positive reviews mention “Value For Money”
26%of negative reviews mention “Ease Of Chewing/Swallowing”
0.1%of orders come back
“Impossible to swallow”
A buyer, on “Ease Of Chewing/Swallowing”26% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

13 topics

NegativePositive

FAQ

Common Vitamin C questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data