l theanine
Worth a lookShows low returns (0.1%), but prices mostly outside the sweet spot ($67.38–$272.23) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Great9.4%search→purchase rate — share of searches ending in a sale
Avg price
Good$109.88avg listing price — sweet spot $15–$100
Market size
Good$730K$730K/yr · 70K searches
Growth
Good+26.8%90-day search growth — must beat 0% to launch
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Okay3,496.94avg incumbent reviews — the moat a new listing must climb
Competition
Okay70%top-5 click share — leaders hold, buyers still browse
Price range
Bad$67.38–$272.23cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Arab Emirates niche tracking, l theanine is a $730K/yr Amazon United Arab Emirates market (70K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 54/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
l theanine market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- $659K–$879K
- units × avg price
- Conversion rate
- 9.4%
- Avg BSR
- #119
- Page quality
- 0%
- Prime
- 94%
- Sponsored
- 53%
- Out of stock
- 0.0%
- Avg brand age
- 75 months
- Avg seller age
- 74 days
Competition & brand share
The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.Brands
13 rising
Sellers
30
Top-5 brand share
80%
Top 20: 100%
Top-5 click share
70%
Top 20: 100%
Open market
11%
- NOW31%
- Nutricost18%
- WeightWorld14%
- Sports Research9%
- Double Wood Supplements9%
- THORNE9%
- Open — no brand owns it (7 brands, 11%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +26.8% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 2.5×
Top l theanine search terms
- l theanine40K/yr
- l-theanine16K/yr
- l theanine 200mg7K/yr
- theanine4K/yr
- ltheanine3K/yr
Top l theanine 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.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Now Foods L-Theanine Double Strength 200 mg with Inositol | Amino Acid for Relaxation & Stress Management & Calm Focus & Mood Balance & Cardiovascular Support | 120 Veg Capsules
NOW$115.184.6★4,703 rev

Nutricost L-Theanine 200mg 240 Capsules - Double Strength
Nutricost$88.604.7★2,930 rev

WeightWorld L-Theanine - Amino Acid with Vitamin B6 & Black Pepper - Supports Normal Nervous System & Psychological Function - for Men & Women - Vegan & Gluten-Free - 401mg per Serving - 180 Capsules
WeightWorld$90.124.4★2,617 rev

NOW Supplements L-Theanine 200 mg with Inositol Stress Management* 60 Veg Capsules
NOW$84.124.6★2,411 rev

Double Wood Supplements L-Theanine - 120 X 200mg Capsules
Double Wood Supplements$79.624.7★1,599 rev
Newest
by launch date
Sports Research L-Theanine 200mg with Organic Coconut Oil | Suntheanine Supplement for Focus Relaxation & Alertness | Double Strength Non-GMO & Gluten Free
Sports Research$172.33358 rev

Dr. Mercola L-Theanine Plus GABA 60 Capsules Non-GMO Gluten Free Soy Free
Dr. Mercola$106.1789 rev

rite. CALM Vegan Vitamin Gummies | Adaptogens Botanicals L-Theanine Vitamin B6 Vitamin E | Reduce stress support better sleep improve mood | 60 Vegan Gummies |Delicious Natural berries flavour
rite.$121.0057 rev

Oladole Natural L-Theanine Supplement- 200mg (120 Tablets) | Promotes Relaxation Healthy Vascular Function Calming Focused Energy & Sleep | Stress Relief Dietary Supplement for Men & Women
Oladole Natural$75.5286 rev

WeightWorld L-Theanine - Amino Acid with Vitamin B6 & Black Pepper - Supports Normal Nervous System & Psychological Function - for Men & Women - Vegan & Gluten-Free - 401mg per Serving - 180 Capsules
WeightWorld$90.122,617 rev
Trending
90-day click momentum
WeightWorld L-Theanine - Amino Acid with Vitamin B6 & Black Pepper - Supports Normal Nervous System & Psychological Function - for Men & Women - Vegan & Gluten-Free - 401mg per Serving - 180 Capsules
WeightWorld$90.124.4★

Dr. Mercola L-Theanine Plus GABA 60 Capsules Non-GMO Gluten Free Soy Free
Dr. Mercola$106.174.5★

Sports Research L-Theanine 200mg with Organic Coconut Oil | Suntheanine Supplement for Focus Relaxation & Alertness | Double Strength Non-GMO & Gluten Free
Sports Research$172.334.7★

Life Extension L-Theanine 100 mg 60 Vegetarian Capsules Supports a Calming & Mood Enhancing Effect Amino Acid Derived From Tea - Gluten-Free Non-GMO
Life Extension$89.974.6★

Now Foods L-Theanine Double Strength 200 mg with Inositol | Amino Acid for Relaxation & Stress Management & Calm Focus & Mood Balance & Cardiovascular Support | 120 Veg Capsules
NOW$115.184.6★
What buyers say about l theanine
What buyers praise and complain about, mined from review topics.What buyers love
“Really helpful in stress managemnet”
“helps with sleep and focus”
“Good supplement”
“I like it it gives me deep sleep”
What buyers complain about
“Wasting money and side effects”
Common questions
- Is l theanine profitable to sell on Amazon United Arab Emirates?
- The niche generates $730K/yr across 17 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +26.8%. Flapen's verdict: Worth a look (54/100).
- How competitive is the l theanine niche?
- 13 brands and 30 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 80% of demand.
- What do buyers complain about in l theanine?
- Top complaints mined from reviews: تأثيرات جانبية. The return rate is 0.1%.
- When does demand for l theanine peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 2.5× the quietest.
- What does it cost to enter the l theanine niche?
- Listings span $67.38–$272.23; the average listing price is $109.88 (sweet spot $15–$100). The average incumbent carries 3,497 reviews — the moat a new listing must climb.