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Glycine 3g

Fail

Demand is soft, at -34.4% this quarter, so Glycine 3g 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
$171K/yr81K searches / yr
90-day growth
-34.4%search demand this quarter
Competition
69%top-5 click share · 13 brands · 31 sellers

Flapen Score

Glycine 3g against its category

The dotted line is the Health & Household average. Past it, Glycine 3g is stronger. Inside it, weaker.

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

Market

The Glycine 3g market on Amazon at a glance

Shoppers on Amazon United States searched for Glycine 3g 81K times last year and spent an estimated $171K. The top 5 brands take 75% of clicks. Demand peaks in Jan–Feb–Mar–Dec. Flapen scores it 48 out of 100, a Fail.

01 · Demand

An estimated 10.9% of those searches ended in a purchase.

Shoppers searched for this 81K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 10.9% of those searches ended in a purchase. Searches in the last 90 days moved -34.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $171K a year.

Searches, last 12 months
81K
Growth, 90 days vs prior 90
-34.4%
Conversion, latest week
10.9%
Market size, estimated
$171Ka year
Peak month
February3.8× the quietest month
Top search term
glycine 3g76K searches a year

02 · Price

A sale here is worth $19.46.

Listings sell for $19.46 on average, from $9.89 to $33.21. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 500 to 750 of them. At $19.46 that is $10K to $15K a year per listing.

Average price
$19.46inside the $15 to $100 sweet spot
Price range
$9.89–$33.21
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
$10K–$15K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

88% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 2.9% of listings are out of stock. The average listing ranks #751 within Weight Loss. It carries 1,544 reviews at 4.57 stars, so a new listing needs social proof before a better product.

Sponsored listings
88%
Prime listings
100%
Out of stock, average day
2.9%
Average rank
#751in Weight Loss
Average rating
4.57 starsAmazon United States average 4.42 stars
Average reviews
1,544per listing
Listings tracked
16

04 · Newcomers

3 of last year's 3 launches cleared the first-year sales bar.

3 products launched here in the last 12 months. 3 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 63 months on average, so the names here are established.

Launched, last 12 months
3
Successful launches
3Amazon's first-year sales bar
Average brand age
63 months

Products

Top Glycine 3g 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 69% of clicks. Leaders hold, but buyers still shop past them.

Brands

13 rising

Sellers

31

Top-5 brand share

75%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

17%

  • Brand 126%
  • Brand 216%
  • Brand 313%
  • Brand 411%
  • Brand 59%
  • Brand 68%
  • Open — no brand owns it (7 brands, 17%)

Demand

Glycine 3g search demand

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

3K2KSpike '25Black Friday '25Holiday '25Spike '26JulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jan, Feb, Mar, Dec · busiest ÷ quietest = 3.8×

Reviews and returns

What reviews say buyers love and hate about Glycine 3g

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

29%of positive reviews mention “Sleep Quality”
19%of negative reviews mention “Sleep Quality”
<0.1%of orders come back, a rate Amazon rounds to zero
“Did not help with sleep”
A buyer, on “Sleep Quality”19% 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.

20 topics

NegativePositive

FAQ

Common Glycine 3g questions

Answered from the same tracked data.