Glycine
a concentrated shelf (top 5 take 88% of clicks) — Glycine doesn't clear our bar today.
Flapen Score
Ranks 275 of 371 Health niches · −6 vs the category median of 51
Is Glycine profitable on Amazon?
According to Flapen's Amazon United Arab Emirates niche tracking, Glycine is a $473K/yr Amazon United Arab Emirates market (32K searches/yr). The top 5 brands hold 92% of demand. Verdict: Skip it — 45/100.
Glycine: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -3.4% over the last 90 days and 13.4% of searches end in a purchase.
$473K
revenue / yr
Who owns the niche?
The top 5 brands hold 92% of demand, so 8% of the market is open.
8%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.7★ — the gap to enter on.
0/100
page quality · 8 products
Top Glycine products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
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: brands, sellers & click share
The top 5 products capture 88% of clicks — a locked-up 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%)
Glycine demand & seasonality
Weekly search volume, with the niche's key stats alongside.
What reviews say buyers love and hate about Glycine
What buyers mention most, as a share of all reviews.
What buyers love
100% of reviews“It helps me sleep at night”
“Reliable product”
“Working well, great dosage”
“Value for money”
“Good Glycine powder effective”
What buyers complain about
100% of reviews“Small size”
Common Glycine questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.









