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Nac 1000mg

Fail

Demand is soft, at -8.6% this quarter, so Nac 1000mg is a Fail.

Flapen Score
48
48 / 100
Ranks 7,720 of 14,768 Health & Household niches · −1 vs the category median of 49
Market size
$194K/yr70K searches / yr
90-day growth
-8.6%search demand this quarter
Competition
72%top-5 click share · 10 brands · 40 sellers

Flapen Score

Nac 1000mg against its category

The dotted line is the Health & Household average. Past it, Nac 1000mg is stronger. Inside it, weaker.

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

Market

The Nac 1000mg market on Amazon at a glance

Shoppers on Amazon United States searched for Nac 1000mg 70K times last year and spent an estimated $194K. The top 5 brands take 86% of clicks. Flapen scores it 48 out of 100, a Fail.

01 · Demand

An estimated 12.2% of those searches ended in a purchase.

Shoppers searched for this 70K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.2% of those searches ended in a purchase. Searches in the last 90 days moved -8.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $194K a year.

Searches, last 12 months
70K
Growth, 90 days vs prior 90
-8.6%
Conversion, latest week
12.2%
Market size, estimated
$194Ka year
Peak month
January1.7× the quietest month
Top search term
nac 1000mg33K searches a year

02 · Price

A sale here is worth $22.55.

Listings sell for $22.55 on average, from $8.22 to $53.64. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 500 to 750 of them. At $22.55 that is $11K to $17K a year per listing.

Average price
$22.55inside the $15 to $100 sweet spot
Price range
$8.22–$53.64
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
10K–13K
Units per listing a year
500–750
Revenue per listing a year
$11K–$17K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

79% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.4% of listings are out of stock. The average listing ranks #97 within Amino Acids. It carries 3,759 reviews at 4.57 stars, so a new listing needs social proof before a better product.

Sponsored listings
79%
Prime listings
100%
Out of stock, average day
1.4%
Average rank
#97in Amino Acids
Average rating
4.57 starsAmazon United States average 4.42 stars
Average reviews
3,759per listing
Listings tracked
14

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 60 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
60 months

Products

Top Nac 1000mg 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 72% of clicks. A locked shelf that new listings rarely crack.

Brands

10 falling

Sellers

40

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

72%

Top 20: 100%

Open market

11%

  • Brand 149%
  • Brand 216%
  • Brand 313%
  • Brand 44%
  • Brand 54%
  • Brand 63%
  • Open — no brand owns it (4 brands, 11%)

Demand

Nac 1000mg search demand

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

2K1KSpike '24Prime Day '25Spike '26DecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.7×

Search terms

Top Nac 1000mg search terms shoppers use

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

  • nac 1000mg33K/yr
  • nac supplement 1000mg14K/yr
  • nac 10005K/yr
  • n acetyl cysteine 1000mg5K/yr
  • nac tablets7K/yr
  • nac 1000mg capsules3K/yr
  • nac 1000 mg3K/yr

Reviews and returns

What reviews say buyers love and hate about Nac 1000mg

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

21%of positive reviews mention “Quality-Overall”
27%of negative reviews mention “Smell”
<0.1%of orders come back, a rate Amazon rounds to zero
“Horrible smell”
A buyer, on “Smell”27% 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 Nac 1000mg questions

Answered from the same tracked data.