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Z Stack Dr. Zelenko Vitamin

Fail

The top 5 products take 100% of clicks, so Z Stack Dr. Zelenko Vitamin is a Fail.

Flapen Score
38
38 / 100
Ranks 13,006 of 14,768 Health & Household niches · −11 vs the category median of 49
Market size
$94K/yr25K searches / yr
90-day growth
-24.0%search demand this quarter
Competition
100%top-5 click share · 3 brands · 7 sellers

Flapen Score

Z Stack Dr. Zelenko Vitamin against its category

The dotted line is the Health & Household average. Past it, Z Stack Dr. Zelenko Vitamin is stronger. Inside it, weaker.

38Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Z Stack Dr. Zelenko Vitamin market on Amazon at a glance

Shoppers on Amazon United States searched for Z Stack Dr. Zelenko Vitamin 25K times last year and spent an estimated $94K. All 3 brands take every click. Demand peaks in Jan–Feb–Dec. Flapen scores it 38 out of 100, a Fail.

01 · Demand

An estimated 13.7% of those searches ended in a purchase.

Shoppers searched for this 25K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 13.7% of those searches ended in a purchase. Searches in the last 90 days moved -24.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $94K a year.

Searches, last 12 months
25K
Growth, 90 days vs prior 90
-24.0%
Conversion, latest week
13.7%
Market size, estimated
$94Ka year
Peak month
January4.3× the quietest month
Top search term
zstack6K searches a year

02 · Price

A sale here is worth $27.70.

Listings sell for $27.70 on average, from $21.49 to $33.77. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 750 to 1,000 of them. At $27.70 that is $21K to $28K a year per listing.

Average price
$27.70inside the $15 to $100 sweet spot
Price range
$21.49–$33.77
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
2K–3K
Units per listing a year
750–1,000
Revenue per listing a year
$21K–$28K
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 #23 within Antioxidants. It carries 3,698 reviews at 4.67 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
#23in Antioxidants
Average rating
4.67 starsAmazon United States average 4.42 stars
Average reviews
3,698per listing
Listings tracked
3

04 · Newcomers

Brands here are settling in.

The brands on the shelf have sold for 53 months on average, so the names here are settling in.

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

Products

Top Z Stack Dr. Zelenko Vitamin 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

3 falling

Sellers

7

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

0%

  • Brand 177%
  • Brand 212%
  • Brand 311%

Demand

Z Stack Dr. Zelenko Vitamin search demand

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

1K750Spike '24Spike '25Holiday '25Spike '26DecMarJunAugNovMarMay

Peak months: Jan, Feb, Dec · busiest ÷ quietest = 4.3×

Search terms

Top Z Stack Dr. Zelenko Vitamin search terms shoppers use

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

  • zstack6K/yr
  • z stack vitamin zelenko5K/yr
  • zinc quercetin vitamin c and d3 immune complex5K/yr
  • z stack5K/yr
  • zstacklife vitamin dr zelenko2K/yr
  • spartis zinc quercetin vitamin c and d3 immune complex2K/yr

Reviews and returns

What reviews say buyers love and hate about Z Stack Dr. Zelenko Vitamin

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

16%of positive reviews mention “Quality-Overall”
16%of negative reviews mention “Value For Money”
<0.1%of orders come back, a rate Amazon rounds to zero
“They are a bit pricey”
A buyer, on “Value For Money”16% 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 Z Stack Dr. Zelenko Vitamin questions

Answered from the same tracked data.