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Vitamin C and D

Fail

The top 5 products take 100% of clicks, so Vitamin C and D is a Fail.

Flapen Score
40
40 / 100
Ranks 12,248 of 14,768 Health & Household niches · −9 vs the category median of 49
Market size
$479K/yr319K searches / yr
90-day growth
-27.0%search demand this quarter
Competition
100%top-5 click share · 4 brands · 57 sellers

Flapen Score

Vitamin C and D against its category

The dotted line is the Health & Household average. Past it, Vitamin C and D is stronger. Inside it, weaker.

40Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Vitamin C and D market on Amazon at a glance

Shoppers on Amazon United States searched for Vitamin C and D 319K times last year and spent an estimated $479K. All 4 brands take every click. Demand peaks in Jan. Flapen scores it 40 out of 100, a Fail.

01 · Demand

An estimated 9.1% of those searches ended in a purchase.

Shoppers searched for this 319K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 9.1% of those searches ended in a purchase. Searches in the last 90 days moved -27.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $479K a year.

Searches, last 12 months
319K
Growth, 90 days vs prior 90
-27.0%
Conversion, latest week
9.1%
Market size, estimated
$479Ka year
Peak month
January4.0× the quietest month
Top search term
super c91K searches a year

02 · Price

A sale here is worth $16.50.

Listings sell for $16.50 on average, from $9.89 to $26.99. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 3,000 to 4,000 of them. At $16.50 that is $50K to $66K a year per listing.

Average price
$16.50inside the $15 to $100 sweet spot
Price range
$9.89–$26.99
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
30K–40K
Units per listing a year
3,000–4,000
Revenue per listing a year
$50K–$66K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

20% 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 #121 within Vitamin C. It carries 2,822 reviews at 4.68 stars, so a new listing needs social proof before a better product.

Sponsored listings
20%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#121in Vitamin C
Average rating
4.68 starsAmazon United States average 4.42 stars
Average reviews
2,822per listing
Listings tracked
5

04 · Newcomers

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

1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 82 months on average, so the names here are established.

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

Products

Top Vitamin C and D products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 100% of clicks. A locked shelf that new listings rarely crack.

Brands

4 falling

Sellers

57

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

0%

  • Brand 183%
  • Brand 28%
  • Brand 37%
  • Brand 43%

Demand

Vitamin C and D search demand

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

9K7KSpike '25Prime Day '25Black Friday '25Spike '26DecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 4.0×

Search terms

Top Vitamin C and D search terms shoppers use

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

  • super c91K/yr
  • superc64K/yr
  • vitamin c and d24K/yr
  • super c vitamins with vit d3 and zinc18K/yr
  • nature made super c17K/yr
  • nature made super c with vitamin d3 and zinc12K/yr
  • super c vitamin14K/yr
  • vitamin d and c11K/yr
  • vitamin c with d5K/yr
  • vitamin c d zinc10K/yr

Reviews and returns

What reviews say buyers love and hate about Vitamin C and D

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

19%of positive reviews mention “Vitamin”
13%of negative reviews mention “Advertised Vs Actual Product”
<0.1%of orders come back, a rate Amazon rounds to zero
“False advertisement, do not waste your money on this”
A buyer, on “Advertised Vs Actual Product”13% 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.

16 topics

NegativePositive

FAQ

Common Vitamin C and D questions

Answered from the same tracked data.