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Glycine Powder

Maybe

An estimated 0.0% of orders come back. But demand is soft, at -26.3% this quarter, so Glycine Powder is a Maybe.

Flapen Score
60
60 / 100
Top 11% of 14,768 Health & Household niches · +11 vs the category median of 49
Market size
$2.0M/yr593K searches / yr
90-day growth
-26.3%search demand this quarter
Competition
76%top-5 click share · 15 brands · 30 sellers

Flapen Score

Glycine Powder against its category

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

60Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Glycine Powder market on Amazon at a glance

Shoppers on Amazon United States searched for Glycine Powder 593K times last year and spent an estimated $2.0M. The top 5 brands take 82% of clicks. Demand peaks in Feb–Sep. Flapen scores it 60 out of 100, a Maybe.

01 · Demand

An estimated 14.5% of those searches ended in a purchase.

Shoppers searched for this 593K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 14.5% of those searches ended in a purchase. Searches in the last 90 days moved -26.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $2.0M a year.

Searches, last 12 months
593K
Growth, 90 days vs prior 90
-26.3%
Conversion, latest week
14.5%
Market size, estimated
$2.0Ma year
Peak month
September1.9× the quietest month
Top search term
glycine powder453K searches a year

02 · Price

A sale here is worth $22.94.

Listings sell for $22.94 on average, from $10.70 to $36.31. Amazon reports units sold in ranges. This niche sold 80K to 100K a year. The average listing sells 5,000 to 6,000 of them. At $22.94 that is $115K to $138K a year per listing.

Average price
$22.94inside the $15 to $100 sweet spot
Price range
$10.70–$36.31
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
80K–100K
Units per listing a year
5,000–6,000
Revenue per listing a year
$115K–$138K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is low.

78% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 5.3% of listings are out of stock. The average listing ranks #1,454 within Amino Acids. It carries 1,022 reviews at 4.44 stars, so a new listing needs social proof before a better product.

Sponsored listings
78%
Prime listings
100%
Out of stock, average day
5.3%
Average rank
#1,454in Amino Acids
Average rating
4.44 starsAmazon United States average 4.42 stars
Average reviews
1,022per listing
Listings tracked
18

04 · Newcomers

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

4 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 58 months on average, so the names here are settling in.

Launched, last 12 months
4
Successful launches
3Amazon's first-year sales bar
Average brand age
58 months

Products

Top Glycine Powder 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 76% of clicks. A locked shelf that new listings rarely crack.

Brands

15 rising

Sellers

30

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

76%

Top 20: 100%

Open market

16%

  • Brand 127%
  • Brand 223%
  • Brand 319%
  • Brand 48%
  • Brand 54%
  • Brand 63%
  • Open — no brand owns it (9 brands, 16%)

Demand

Glycine Powder search demand

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

20K15KSpike '24Black Friday '24Spike '25Prime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Feb, Sep · busiest ÷ quietest = 1.9×

Search terms

Top Glycine Powder search terms shoppers use

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

  • glycine powder453K/yr
  • glycine powder organic38K/yr
  • glicina en polvo9K/yr
  • now glycine powder13K/yr
  • nutricost glycine powder7K/yr
  • now foods glycine powder6K/yr
  • bulk supplements glycine7K/yr
  • nutricost glycine7K/yr
  • bulk supplements glycine powder5K/yr
  • glycine powder for sleep10K/yr

Reviews and returns

What reviews say buyers love and hate about Glycine Powder

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

18%of positive reviews mention “Sleep Quality”
11%of negative reviews mention “Taste-Overall”
<0.1%of orders come back, a rate Amazon rounds to zero
“Weird taste”
A buyer, on “Taste-Overall”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.

21 topics

NegativePositive

FAQ

Common Glycine Powder questions

Answered from the same tracked data.