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Glynac

Maybe

An estimated 0.0% of orders come back. But the top 5 products take 62% of clicks, so Glynac is a Maybe.

Flapen Score
59
59 / 100
Top 13% of 14,768 Health & Household niches · +10 vs the category median of 49
Market size
$375K/yr227K searches / yr
90-day growth
+15.3%search demand this quarter
Competition
62%top-5 click share · 12 brands · 43 sellers

Flapen Score

Glynac against its category

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

59Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Glynac market on Amazon at a glance

Shoppers on Amazon United States searched for Glynac 227K times last year and spent an estimated $375K. The top 5 brands take 68% of clicks. Demand peaks in Nov. Flapen scores it 59 out of 100, a Maybe.

01 · Demand

An estimated 6.4% of those searches ended in a purchase.

Shoppers searched for this 227K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.4% of those searches ended in a purchase. Searches in the last 90 days moved +15.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $375K a year.

Searches, last 12 months
227K
Growth, 90 days vs prior 90
+15.3%
Conversion, latest week
6.4%
Market size, estimated
$375Ka year
Peak month
November2.3× the quietest month
Top search term
glynac111K searches a year

02 · Price

A sale here is worth $25.61.

Listings sell for $25.61 on average, from $10.25 to $54.51. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 500 to 750 of them. At $25.61 that is $13K to $19K a year per listing.

Average price
$25.61inside the $15 to $100 sweet spot
Price range
$10.25–$54.51
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
13K–15K
Units per listing a year
500–750
Revenue per listing a year
$13K–$19K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

80% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 7.0% of listings are out of stock. The average listing ranks #1,574 within Antioxidants. It carries 2,610 reviews at 4.51 stars, so a new listing needs social proof before a better product.

Sponsored listings
80%
Prime listings
100%
Out of stock, average day
7.0%
Average rank
#1,574in Antioxidants
Average rating
4.51 starsAmazon United States average 4.42 stars
Average reviews
2,610per listing
Listings tracked
20

04 · Newcomers

4 of last year's 7 launches cleared the first-year sales bar.

7 products launched here in the last 12 months. 4 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 65 months on average, so the names here are established.

Launched, last 12 months
7
Successful launches
4Amazon's first-year sales bar
Average brand age
65 months

Products

Top Glynac 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 62% of clicks. Leaders hold, but buyers still shop past them.

Brands

12 rising

Sellers

43

Top-5 brand share

68%

Top 20: 100%

Top-5 click share

62%

Top 20: 100%

Open market

22%

  • Brand 116%
  • Brand 215%
  • Brand 314%
  • Brand 412%
  • Brand 511%
  • Brand 610%

Demand

Glynac search demand

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

9K7KSpike '24Black Friday '24Spike '25Prime Day '25Black Friday '25Spike '26DecMarJunAugNovMarMay

Peak months: Nov · busiest ÷ quietest = 2.3×

Search terms

Top Glynac search terms shoppers use

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

  • glynac111K/yr
  • glynac supplement47K/yr
  • nac glycine15K/yr
  • glynac powder9K/yr
  • glycine nac13K/yr
  • gly nac4K/yr
  • glynac supplement 1000mg4K/yr
  • nac + glycine4K/yr
  • nac and glycine5K/yr
  • nac with glycine4K/yr

Reviews and returns

What reviews say buyers love and hate about Glynac

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

15%of positive reviews mention “Quality-Overall”
11%of negative reviews mention “Smell”
<0.1%of orders come back, a rate Amazon rounds to zero
“it stinks”
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.

19 topics

NegativePositive

FAQ

Common Glynac questions

Answered from the same tracked data.