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Riboflavin 400mg

Fail

The top 5 products take 89% of clicks, so Riboflavin 400mg is a Fail.

Flapen Score
48
48 / 100Ranks 7,720 of 14,768 Health & Household niches · −1 vs the category median of 49
Market size
$778K/yr280K searches / yr
90-day growth
-8.4%search demand this quarter
Competition
89%top-5 click share · 9 brands · 10 sellers

Flapen Score

Riboflavin 400mg against its category

The dotted line is the Health & Household average. Past it, Riboflavin 400mg is stronger. Inside it, weaker.

48Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average
See the method

Market

The Riboflavin 400mg market on Amazon at a glance

Shoppers on Amazon United States searched for Riboflavin 400mg 280K times last year and spent an estimated $778K. The top 5 brands take 89% of clicks. Flapen scores it 48 out of 100, a Fail.

01 · Demand

An estimated 16.7% of those searches ended in a purchase.

Shoppers searched for this 280K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 16.7% of those searches ended in a purchase. Searches in the last 90 days moved -8.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $778K a year.

Searches, last 12 months
280K
Growth, 90 days vs prior 90
-8.4%
Conversion, latest week
16.7%
Market size, estimated
$778Ka year
Peak month
February1.3× the quietest month
Top search term
riboflavin 400mg123K searches a year

02 · Price

A sale here is worth $16.58.

Listings sell for $16.58 on average, from $6.91 to $30.99. Amazon reports units sold in ranges. This niche sold 50K to 60K a year. The average listing sells 5,000 to 6,000 of them. At $16.58 that is $83K to $99K a year per listing.

Average price
$16.58inside the $15 to $100 sweet spot
Price range
$6.91–$30.99
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
50K–60K
Units per listing a year
5,000–6,000
Revenue per listing a year
$83K–$99K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is ads and reviews.

100% 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 #104 within Vitamin B. It carries 3,669 reviews at 4.68 stars, so a new listing needs social proof before a better product.

Sponsored listings
100%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#104in Vitamin B
Average rating
4.68 starsAmazon United States average 4.42 stars
Average reviews
3,669per listing
Listings tracked
9

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 85 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
85 months

Products

Top Riboflavin 400mg products & what they sell for

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

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

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Competition

Competition: brands, sellers & click share

The top 5 products take 89% of clicks. A locked shelf that new listings rarely crack.

Brands

9 rising

Sellers

10

Top-5 brand share

89%

Top 20: 100%

Top-5 click share

89%

Top 20: 100%

Open market

8%

  • Brand 142%
  • Brand 221%
  • Brand 311%
  • Brand 410%
  • Brand 54%
  • Brand 63%
  • Open — no brand owns it (3 brands, 8%)

Demand

Riboflavin 400mg search demand

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

7K5KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Search terms

Top Riboflavin 400mg search terms shoppers use

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

  • riboflavin 400mg123K/yr
  • vitamin b2 400 mg58K/yr
  • b2 400mg28K/yr
  • b2 riboflavin 400mg21K/yr
  • vitamin b2 400mg5K/yr
  • riboflavin 400 mg5K/yr
  • vit b2 riboflavin 400mg4K/yr
  • vitamin b2 500mg2K/yr
  • b2 vitamin 400mg23K/yr
  • vitamin b 2 riboflavin 4003K/yr

Reviews and returns

What reviews say buyers love and hate about Riboflavin 400mg

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

22%of positive reviews mention “Quality-Overall”
14%of negative reviews mention “Dosage”
<0.1%of orders come back, a rate Amazon rounds to zero
“This is not a 400 mg pill”
A buyer, on “Dosage”14% 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.

17 topics

NegativePositive

Keep looking

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FAQ

Common Riboflavin 400mg questions

Answered from the same tracked data.