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Vitamin C

Vitamin C shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Flapen Score

57
Worth a look
Market size 90Growth 14Conversion 96Competition 54Returns 100Price range 25Avg price 22Brand share 65Review moat 31Quality gap 37
This niche Category average

Is Vitamin C profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Vitamin C is a £1.7M/yr Amazon United Kingdom market (1.6M searches/yr). The top 5 brands hold 66% of demand. Verdict: Worth a look — 57/100.

Vitamin C: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -21.6% over the last 90 days and 13.2% of searches end in a purchase.

£1.7M

revenue / yr

Units sold / yr250K
Search volume / yr-21.6%1.6M
Conversion rate13.2%
Avg price£8.04

Who owns the niche?

The top 5 brands hold 66% of demand, so 34% of the market is open.

34%

open market share

Brands · sellers17 · 83
Top-5 product click share53%
Open market34%
Avg brand age66 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 25 products

Sponsored placement92%
New entrants (1y)1· 0 succeeded
Avg rating4.5★
Avg reviews3,429

Top Vitamin C products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.

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

Brands

17 rising

Sellers

83

Top-5 brand share

66%

Top 20: 100%

Top-5 click share

53%

Top 20: 94%

Open market

29%

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

Vitamin C demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume1.6MCVR13.2%Products25Brands17Top 5 Brands66%OOS Rate0.4%Rating4.5★Reviews3,429Avg BSR#21
40K30KSpike '24Spike '25Prime Day '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.6×

Top Vitamin C search terms shoppers use

The exact queries shoppers type, with 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

What reviews say buyers love and hate about Vitamin C

What buyers mention most, as a share of all reviews.

What buyers love

75% of reviews
Value For Money20%

Good value for money

Vitamin20%

Great handy vitamins

Quality-Overall11%

Excellent product

Ease Of Chewing/Swallowing8%

Pleasant to chew

Taste-Overall5%

they have a slight taste to them

What buyers complain about

70% of reviews
Ease Of Chewing/Swallowing26%

Impossible to swallow

Size-Overall20%

Very large tablets

Taste-Overall9%

Unpleasant taste

Solubility4%

Dissolves instantly in your mouth, awful taste

Vitamin3%

But not these Vitamin Cs

Common Vitamin C questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Vitamin C 57/100 on Amazon United Kingdom — Worth a look. The niche generates £1.7M/yr across 25 tracked products. 0 of 1 products launched in the last 360 days are still selling. Search demand moved -21.6% over the last 90 days.
Search demand for Vitamin C on Amazon United Kingdom is steady year-round — the busiest month runs 1.6× the quietest.