L Theanine
L Theanine shows low returns (0.1%), but prices mostly outside the sweet spot ($67.38–$272.23) keeps it on the watch list.
Flapen Score
Top 34% of 371 Health niches · +3 vs the category median of 51
Is L Theanine profitable on Amazon?
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.
L Theanine: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Worth a look. Search demand moved +26.8% over the last 90 days and 9.4% of searches end in a purchase.
$730K
revenue / yr
Who owns the niche?
The top 5 brands hold 80% of demand, so 20% of the market is open.
20%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.
0/100
page quality · 17 products
Top L Theanine 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
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
- Price
- $115.18
- Rating
- 4.6/5
- Reviews
- 4,703
- Age
- 12y ago

Nutricost L-Theanine 200mg 240 Capsules - Double Strength
- Price
- $88.60
- Rating
- 4.7/5
- Reviews
- 2,930
- Age
- 6y ago

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
- Price
- $90.12
- Rating
- 4.4/5
- Reviews
- 2,617
- Age
- 5y ago

NOW Supplements L-Theanine 200 mg with Inositol Stress Management* 60 Veg Capsules
- Price
- $84.12
- Rating
- 4.6/5
- Reviews
- 2,411
- Age
- 13y ago

Double Wood Supplements L-Theanine - 120 X 200mg Capsules
- Price
- $79.62
- Rating
- 4.7/5
- Reviews
- 1,599
- Age
- 8y ago
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
- Price
- $90.12
- Rating
- 4.4/5
- Reviews
- 2,617
- Age
- 5y ago

Dr. Mercola L-Theanine Plus GABA 60 Capsules Non-GMO Gluten Free Soy Free
- Price
- $106.17
- Rating
- 4.5/5
- Reviews
- 89
- Age
- 1y ago

Sports Research L-Theanine 200mg with Organic Coconut Oil | Suntheanine Supplement for Focus Relaxation & Alertness | Double Strength Non-GMO & Gluten Free
- Price
- $172.33
- Rating
- 4.7/5
- Reviews
- 358
- Age
- 9mo ago

Life Extension L-Theanine 100 mg 60 Vegetarian Capsules Supports a Calming & Mood Enhancing Effect Amino Acid Derived From Tea - Gluten-Free Non-GMO
- Price
- $89.97
- Rating
- 4.6/5
- Reviews
- 936
- Age
- 13y ago

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
- Price
- $115.18
- Rating
- 4.6/5
- Reviews
- 4,703
- Age
- 12y ago
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
- Price
- $172.33
- Rating
- 4.7/5
- Reviews
- 358
- Age
- 9mo ago

Dr. Mercola L-Theanine Plus GABA 60 Capsules Non-GMO Gluten Free Soy Free
- Price
- $106.17
- Rating
- 4.5/5
- Reviews
- 89
- Age
- 1y ago

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
- Price
- $121.00
- Rating
- 4.2/5
- Reviews
- 57
- Age
- 3y ago

Oladole Natural L-Theanine Supplement- 200mg (120 Tablets) | Promotes Relaxation Healthy Vascular Function Calming Focused Energy & Sleep | Stress Relief Dietary Supplement for Men & Women
- Price
- $75.52
- Rating
- 4.6/5
- Reviews
- 86
- Age
- 4y ago

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
- Price
- $90.12
- Rating
- 4.4/5
- Reviews
- 2,617
- Age
- 5y ago
Competition: brands, sellers & click 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%)
L Theanine demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 2.5×
Top L Theanine search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- l theanine40K/yr
- l-theanine16K/yr
- l theanine 200mg7K/yr
- theanine4K/yr
- ltheanine3K/yr
What reviews say buyers love and hate about L Theanine
What buyers mention most, as a share of all reviews.
What buyers love
100% of reviews“Really helpful in stress managemnet”
“helps with sleep and focus”
“Good supplement”
“I like it it gives me deep sleep”
What buyers complain about
100% of reviews“Wasting money and side effects”
Common L Theanine 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.









