Is glycine profitable to sell on Amazon United Arab Emirates?

The niche generates $473K/yr across 8 tracked products. 90-day search growth is -3.4%. Flapen's verdict: Skip it (45/100).

How competitive is the glycine niche?

7 brands and 23 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 92% of demand.

What do buyers complain about in glycine?

Top complaints mined from reviews: الحجم الكلي. The return rate is 0.1%.

What does it cost to enter the glycine niche?

Listings span $71.58–$172.66; the average listing price is $109.59 (sweet spot $15–$100). The average incumbent carries 2,141 reviews — the moat a new listing must climb.

glycine

Skip it

A concentrated shelf (top 5 take 88% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible13.4%

search→purchase rate — share of searches ending in a sale

Avg price

Good$109.59

avg listing price — sweet spot $15–$100

Market size

Good$473K

$473K/yr · 32K searches

Review moat

Okay2,140.5

avg incumbent reviews — the moat a new listing must climb

Price range

Okay$71.58–$172.66

cheapest to priciest tracked listing — scored on the share inside $15–$100

Growth

Bad-3.4%

90-day search growth — must beat 0% to launch

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Brand share

Bad92%

top-5 brand share — brand-locked demand

Competition

Bad88%

top-5 click share — a locked-up shelf

Signals High Price

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.

Data updated Jul 23, 2026 · scored weekly · How we score niches

glycine market data

Units sold / yr: 4K–5K; avg 250–500/product
Revenue / yr: $438K–$548K; units × avg price
Conversion rate: 13.4%
Avg BSR: #127
Page quality: 0%
Prime: 63%
Sponsored: 25%
Out of stock: 0.8%
Avg brand age: 74 months
Avg seller age: 89 days

Competition & brand share

The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 flat

Sellers

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

88%

Top 20: 100%

Open market

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

Demand

Weekly Amazon search volume, last 16 weeks — -3.4% search growth over the last 90 days.

Open Trend

Top glycine products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 8 tracked products in this niche — three views at once, no toggling.

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

THORNE$128.934.6★1,427 rev

NOW Foods Glycine (100 Capsules 1000mg)

NOW$71.584.6★5,588 rev

Nutricost Glycine Powder 1lb - Non-GMO Gluten Free

Nutricost$120.594.7★1,552 rev

Double Wood Supplements Glycine - 1 000mg (300 Capsules) Amino Acid for Sleep Quality Support (Glicina)

Double Wood Supplements$88.644.7★1,451 rev

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

Micro Ingredients$172.664.7★1,154 rev

Newest

by launch date

Double Wood Supplements Glycine - 1 000mg (300 Capsules) Amino Acid for Sleep Quality Support (Glicina)

Double Wood Supplements$88.641,451 rev

4y ago

Nutricost Glycine Powder 1lb - Non-GMO Gluten Free

Nutricost$120.591,552 rev

4y ago

Carlson Labs Glycine Amino Acid Powder 3.53 oz (100 g)

Carlson$82.77544 rev

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

Micro Ingredients$172.661,154 rev

9y ago

THORNE Glycine - Supports Relaxation Stress Management Detoxification & Healthy Muscle Function - Amino Acid Supplement - Third-Party Certified - Gluten Dairy & Soy-Free - 250 Servings

THORNE$128.931,427 rev

13y ago

What buyers say about glycine

What buyers praise and complain about, mined from review topics.

What buyers love

جودة النوم25%

“It helps me sleep at night”

الجودة الشاملة25%

“Reliable product”

الجرعة25%

“Working well, great dosage”

القيمة مقابل المال13%

“Value for money”

المكونات-إجمالاً13%

“Good Glycine powder effective”

What buyers complain about

الحجم الكلي100%

“Small size”

Common questions

Is glycine profitable to sell on Amazon United Arab Emirates?: The niche generates $473K/yr across 8 tracked products. 90-day search growth is -3.4%. Flapen's verdict: Skip it (45/100).
How competitive is the glycine niche?: 7 brands and 23 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in glycine?: Top complaints mined from reviews: الحجم الكلي. The return rate is 0.1%.
What does it cost to enter the glycine niche?: Listings span $71.58–$172.66; the average listing price is $109.59 (sweet spot $15–$100). The average incumbent carries 2,141 reviews — the moat a new listing must climb.