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Vitamin C Effervescent Tablets

prices mostly outside the sweet spot ($2.92–$13.17) — Vitamin C Effervescent Tablets doesn't clear our bar today.

Flapen Score

35
Skip it
Market size 27Growth 4Conversion 97Competition 19Returns 100Price range 0Avg price 18Brand share 18Review moat 48Quality gap 24
This niche Category average

Is Vitamin C Effervescent Tablets profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Vitamin C Effervescent Tablets is a £113K/yr Amazon United Kingdom market (115K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Aug–Sep–Oct. Verdict: Skip it — 35/100.

Vitamin C Effervescent Tablets: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -42.7% over the last 90 days and 15.2% of searches end in a purchase.

£113K

revenue / yr

Units sold / yr20K
Search volume / yr-42.7%115K
Conversion rate15.2%
Avg price£6.49

Who owns the niche?

The top 5 brands hold 93% of demand, so 7% of the market is open.

7%

open market share

Brands · sellers8 · 81
Top-5 product click share77%
Open market7%
Avg brand age76 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.

0/100

page quality · 13 products

Sponsored placement92%
New entrants (1y)0· 0 succeeded
Avg rating4.6★
Avg reviews1,702

Top Vitamin C Effervescent Tablets 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 capture 77% of clicks — a locked-up shelf that new listings rarely crack.

£0£11K£23K£34K£45K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

8 falling

Sellers

81

Top-5 brand share

93%

Top 20: 100%

Top-5 click share

77%

Top 20: 100%

Open market

4%

  • Vitamin Store49%
  • Vitabiotics Ultra18%
  • FAST&UP12%
  • Haliborange10%
  • C.Defence4%
  • Berocca3%
  • Open — no brand owns it (2 brands, 4%)

Vitamin C Effervescent Tablets demand & seasonality

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

Volume115KCVR15.2%Products13Brands8Top 5 Brands93%OOS Rate0.0%Rating4.6★Reviews1,702Avg BSR#43
25K15KSpike '24Spike '25Prime Day '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: Aug, Sep, Oct · busiest ÷ quietest = 11.4×

Top Vitamin C Effervescent Tablets search terms shoppers use

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

  • vitamin c effervescent tablets34K/yr
  • vitamin c tablets dissolvable11K/yr
  • effervescent vitamin c tablets9K/yr
  • vitamin c dissolvable tablets9K/yr
  • vitamin c and zinc effervescent tablets9K/yr
  • vit c effervescent tablets 1000mg6K/yr
  • vitamin c effervescent6K/yr
  • vitamin c drink5K/yr
  • effervescent vitamin c11K/yr
  • redoxon3K/yr

What reviews say buyers love and hate about Vitamin C Effervescent Tablets

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

What buyers love

84% of reviews
Vitamin22%

Great way to get vitamins in

Taste-Overall17%

Excellent taste

Value For Money16%

Good Value

Quality-Overall10%

As good as any more expensive brand

Solubility6%

Great taste and dissolves quickly

What buyers complain about

76% of reviews
Taste-Overall35%

Unpleasant taste

Solubility8%

Doesn't dissolve completely

Flavor7%

Flavour not the best on the market, weaker and less fizzy than others,

Value For Money6%

a bit expensive

Artificial Sweeteners4%

Loaded with sugar

Common Vitamin C Effervescent Tablets questions

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

Flapen scores Vitamin C Effervescent Tablets 35/100 on Amazon United Kingdom — Skip it. The niche generates £113K/yr across 13 tracked products. Search demand moved -42.7% over the last 90 days.
Search demand for Vitamin C Effervescent Tablets on Amazon United Kingdom peaks in Aug–Sep–Oct, where the busiest month runs 11.4× the quietest.