- Flapen Score
- 45 / 100Ranks 275 of 371 Health niches · −6 vs the category median of 5145
- 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.
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.
Top sellers
by 90-day click share
THORNE Glycine - Supports Relaxation Stress Management Detoxification & Healthy Muscle Function - Amino Acid Supplement - Third-Party Certified - Gluten Dairy & Soy-Free - 250 Servings
- Price
- $128.93
- Rating
- 4.6/5
- Reviews
- 1,427
- Age
- 13y ago

NOW Foods Glycine (100 Capsules 1000mg)
- Price
- $71.58
- Rating
- 4.6/5
- Reviews
- 5,588
- Age
- 13y ago

Nutricost Glycine Powder 1lb - Non-GMO Gluten Free
- Price
- $120.59
- Rating
- 4.7/5
- Reviews
- 1,552
- Age
- 4y ago

Double Wood Supplements Glycine - 1 000mg (300 Capsules) Amino Acid for Sleep Quality Support (Glicina)
- Price
- $88.64
- Rating
- 4.7/5
- Reviews
- 1,451
- Age
- 4y ago

Micro Ingredients US Origin L Glycine Powder 1KG (2.2 Pounds) Glycine 1000mg Per Serving Strongly Supports Muscle Energy Stamina Endurance and Strength No GMOs and Gluten Free
- Price
- $172.66
- Rating
- 4.7/5
- Reviews
- 1,154
- Age
- 9y ago
Trending
90-day click momentum
Micro Ingredients US Origin L Glycine Powder 1KG (2.2 Pounds) Glycine 1000mg Per Serving Strongly Supports Muscle Energy Stamina Endurance and Strength No GMOs and Gluten Free
- Price
- $172.66
- Rating
- 4.7/5
- Reviews
- 1,154
- Age
- 9y ago

Double Wood Supplements Glycine - 1 000mg (300 Capsules) Amino Acid for Sleep Quality Support (Glicina)
- Price
- $88.64
- Rating
- 4.7/5
- Reviews
- 1,451
- Age
- 4y ago

Nutricost Glycine Powder 1lb - Non-GMO Gluten Free
- Price
- $120.59
- Rating
- 4.7/5
- Reviews
- 1,552
- Age
- 4y ago

THORNE Glycine - Supports Relaxation Stress Management Detoxification & Healthy Muscle Function - Amino Acid Supplement - Third-Party Certified - Gluten Dairy & Soy-Free - 250 Servings
- Price
- $128.93
- Rating
- 4.6/5
- Reviews
- 1,427
- Age
- 13y ago

- Glycine 1000 mg. - 100 Vegetarian Capsules
- Price
- $74.95
- Rating
- 4.6/5
- Reviews
- 3,245
- Age
- 14y ago
Newest
by launch date
Double Wood Supplements Glycine - 1 000mg (300 Capsules) Amino Acid for Sleep Quality Support (Glicina)
- Price
- $88.64
- Rating
- 4.7/5
- Reviews
- 1,451
- Age
- 4y ago

Nutricost Glycine Powder 1lb - Non-GMO Gluten Free
- Price
- $120.59
- Rating
- 4.7/5
- Reviews
- 1,552
- Age
- 4y ago

Carlson Labs Glycine Amino Acid Powder 3.53 oz (100 g)
- Price
- $82.77
- Rating
- 4.7/5
- Reviews
- 544
- Age
- 6y ago

Micro Ingredients US Origin L Glycine Powder 1KG (2.2 Pounds) Glycine 1000mg Per Serving Strongly Supports Muscle Energy Stamina Endurance and Strength No GMOs and Gluten Free
- Price
- $172.66
- Rating
- 4.7/5
- Reviews
- 1,154
- Age
- 9y ago

THORNE Glycine - Supports Relaxation Stress Management Detoxification & Healthy Muscle Function - Amino Acid Supplement - Third-Party Certified - Gluten Dairy & Soy-Free - 250 Servings
- Price
- $128.93
- Rating
- 4.6/5
- Reviews
- 1,427
- Age
- 13y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 88% of clicks. A locked shelf that new listings rarely crack.
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.
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.
“Small size”
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
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Glycine questions
Answered from the same tracked data.









