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Vitamin C Effervescent Tablets

Fail

Prices span $2.92–$13.17, mostly outside the sweet spot, so Vitamin C Effervescent Tablets is a Fail.

Flapen Score
35
35 / 100
Ranks 1,908 of 2,035 Health & Personal Care niches · −13 vs the category median of 48
Market size
£113K/yr115K searches / yr
90-day growth
-42.7%search demand this quarter
Competition
77%top-5 click share · 8 brands · 81 sellers

Flapen Score

Vitamin C Effervescent Tablets against its category

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

35Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Vitamin C Effervescent Tablets market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Vitamin C Effervescent Tablets 115K times last year and spent an estimated £113K. The top 5 brands take 93% of clicks. Demand peaks in Aug–Sep–Oct. Flapen scores it 35 out of 100, a Fail.

01 · Demand

An estimated 15.2% of those searches ended in a purchase.

Shoppers searched for this 115K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 15.2% of those searches ended in a purchase. Searches in the last 90 days moved -42.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated £113K a year.

Searches, last 12 months
115K
Growth, 90 days vs prior 90
-42.7%
Conversion, latest week
15.2%
Market size, estimated
£113Ka year
Peak month
September11.4× the quietest month
Top search term
vitamin c effervescent tablets34K searches a year

02 · Price

A sale here is worth £6.49.

Listings sell for £6.49 on average, from £2.92 to £13.17. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 1,250 to 1,500 of them. At £6.49 that is £8K to £10K a year per listing.

Average price
£6.49under the $15 to $100 sweet spot
Price range
£2.92–£13.17
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
15K–20K
Units per listing a year
1,250–1,500
Revenue per listing a year
£8K–£10K
Returns
0.0%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, 0.0% of listings are out of stock. The average listing ranks #43 within Diet & Nutrition. It carries 1,702 reviews at 4.62 stars, so a new listing needs social proof before a better product.

Sponsored listings
92%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#43in Diet & Nutrition
Average rating
4.62 starsAmazon United Kingdom average 4.36 stars
Average reviews
1,702per listing
Listings tracked
13

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 76 months on average, so the names here are established.

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

Products

Top Vitamin C Effervescent Tablets 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 24, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 77% of clicks. A locked 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

Est. top-5 brand share

93%

Top 20: 100%

Est. 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%)

Demand

Vitamin C Effervescent Tablets search demand

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

25K15KSpike '24Spike '25Prime Day '25Holiday '25SepDecMarJunAugNovMarMay

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

Search terms

Top Vitamin C Effervescent Tablets search terms shoppers use

The exact words shoppers type, with estimated 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

Reviews and returns

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

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

22%of positive reviews mention “Vitamin”
35%of negative reviews mention “Taste-Overall”
<0.1%of orders come back, a rate Amazon rounds to zero
“Unpleasant taste”
A buyer, on “Taste-Overall”35% 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.

15 topics

NegativePositive

FAQ

Common Vitamin C Effervescent Tablets 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