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Adk

Maybe

An estimated 0.0% of orders come back. But the products selling today already average 4.7★, so Adk is a Maybe.

Flapen Score
55
55 / 100
Top 24% of 14,768 Health & Household niches · +6 vs the category median of 49
Market size
$669K/yr166K searches / yr
90-day growth
-5.2%search demand this quarter
Competition
69%top-5 click share · 11 brands · 21 sellers

Flapen Score

Adk against its category

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

55Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Adk market on Amazon at a glance

Shoppers on Amazon United States searched for Adk 166K times last year and spent an estimated $669K. The top 5 brands take 84% of clicks. Flapen scores it 55 out of 100, a Maybe.

01 · Demand

An estimated 12.6% of those searches ended in a purchase.

Shoppers searched for this 166K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.6% of those searches ended in a purchase. Searches in the last 90 days moved -5.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $669K a year.

Searches, last 12 months
166K
Growth, 90 days vs prior 90
-5.2%
Conversion, latest week
12.6%
Market size, estimated
$669Ka year
Peak month
August1.4× the quietest month
Top search term
adk39K searches a year

02 · Price

A sale here is worth $32.01.

Listings sell for $32.01 on average, from $12.86 to $59.16. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 1,000 to 1,250 of them. At $32.01 that is $32K to $40K a year per listing.

Average price
$32.01inside the $15 to $100 sweet spot
Price range
$12.86–$59.16
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
20K–25K
Units per listing a year
1,000–1,250
Revenue per listing a year
$32K–$40K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is ads.

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 #237 within Multivitamins. It carries 764 reviews at 4.71 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
#237in Multivitamins
Average rating
4.71 starsAmazon United States average 4.42 stars
Average reviews
764per listing
Listings tracked
16

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 73 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
73 months

Products

Top Adk 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 28, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 69% of clicks. Leaders hold, but buyers still shop past them.

$0$67K$134K$201K$268K1001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

11 falling

Sellers

21

Est. top-5 brand share

84%

Top 20: 100%

Est. top-5 click share

69%

Top 20: 100%

Open market

11%

  • NatureGenX28%
  • Biote24%
  • Codeage13%
  • DAVINCI13%
  • Vitamatic6%
  • Designs for Health4%
  • Open — no brand owns it (5 brands, 11%)

Demand

Adk search demand

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

5K3KSpike '25Spike '26DecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Search terms

Top Adk search terms shoppers use

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

  • adk39K/yr
  • adk vitamin supplement41K/yr
  • vitamin adk23K/yr
  • biote adk 510K/yr
  • adk 58K/yr
  • vitamin a d k7K/yr
  • a d k vitamin supplement5K/yr
  • adk supplement4K/yr
  • adk vitamins4K/yr
  • davinci laboratories4K/yr

Reviews and returns

What reviews say buyers love and hate about Adk

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

24%of positive reviews mention “Quality-Overall”
11%of negative reviews mention “Smell”
<0.1%of orders come back, a rate Amazon rounds to zero
“recent bottles smell absolutely terrible”
A buyer, on “Smell”11% 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

FAQ

Common Adk 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