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Glycine

Fail

The top 5 products take 88% of clicks, so Glycine is a Fail.

Flapen Score
45
45 / 100
Ranks 275 of 371 Health niches · −6 vs the category median of 51
Market size
$473K/yr32K searches / yr
90-day growth
-3.4%search demand this quarter
Competition
88%top-5 click share · 7 brands · 23 sellers

Flapen Score

Glycine against its category

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

45Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Glycine market on Amazon at a glance

Shoppers on Amazon United Arab Emirates searched for Glycine 32K times last year and spent an estimated $473K. The top 5 brands take 92% of clicks. Flapen scores it 45 out of 100, a Fail.

01 · Demand

13.4% of searches ended in a purchase last week.

Shoppers searched for this 32K times in the last 12 months. That counts every search on Amazon United Arab Emirates for this niche's terms. In the latest week, 13.4% of those searches ended in a purchase. Searches in the last 90 days moved -3.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $473K a year.

Searches, last 12 months
32K
Growth, 90 days vs prior 90
-3.4%
Conversion, latest week
13.4%
Market size, estimated
$473Ka year
Top search term
glycine25K searches a year

02 · Price

A sale here is worth $109.59.

Listings sell for $109.59 on average, from $71.58 to $172.66. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 250 to 500 of them. At $109.59 that is $27K to $55K a year per listing.

Average price
$109.59above the $15 to $100 sweet spot
Price range
$71.58–$172.66
Amazon United Arab Emirates median price
$60.52across 3,090 niches
Units sold a year
4K–5K
Units per listing a year
250–500
Revenue per listing a year
$27K–$55K
Returns
0.1%of orders · Amazon United Arab Emirates median 1.6%

03 · Entry bar

The bar here is reviews.

25% of listings pay for placement with sponsored ads. 63% ship with Prime. On an average day, 0.8% of listings are out of stock. The average listing ranks #127 within Diet & Nutrition. It carries 2,141 reviews at 4.65 stars, so a new listing needs social proof before a better product.

Sponsored listings
25%
Prime listings
63%
Out of stock, average day
0.8%
Average rank
#127in Diet & Nutrition
Average rating
4.65 starsAmazon United Arab Emirates average 4.27 stars
Average reviews
2,141per listing
Listings tracked
8

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 74 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
74 months

Products

Top Glycine products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 88% of clicks. A locked shelf that new listings rarely crack.

$0$47K$95K$142K$189K1001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

7 flat

Sellers

23

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

88%

Top 20: 100%

Open market

2%

  • THORNE26%
  • NOW25%
  • Nutricost18%
  • Double Wood Supplements15%
  • Micro Ingredients8%
  • Life Extension5%
  • Open — no brand owns it (1 brand, 2%)

Demand

Glycine search demand

Weekly searches over the year. Pick a range.

1K600Spike '26Apr '26Apr '26May '26May '26May '26Jun '26Jun '26Jul '26

Reviews and returns

What reviews say buyers love and hate about Glycine

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

25%of positive reviews mention “جودة النوم”
100%of negative reviews mention “الحجم الكلي”
0.1%of orders come back
“Small size”
A buyer, on “الحجم الكلي”100% 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.

6 topics

NegativePositive

FAQ

Common Glycine questions

Answered from the same tracked data.