L Theanin
MaybeAn estimated 0.1% of orders come back. But demand is soft, at -15.7% this quarter, so L Theanin is a Maybe.
- Flapen Score
- 58 / 100Top 12% of 2,966 Drogerie & Körperpflege niches · +9 vs the category median of 4958
- Market size
- €1.1M/yr637K searches / yr
- 90-day growth
- -15.7%search demand this quarter
- Competition
- 70%top-5 click share · 13 brands · 26 sellers
Flapen Score
L Theanin against its category
The dotted line is the Drogerie & Körperpflege average. Past it, L Theanin is stronger. Inside it, weaker.
Market
The L Theanin market on Amazon at a glance
Shoppers on Amazon Germany searched for L Theanin 637K times last year and spent an estimated €1.1M. The top 5 brands take 72% of clicks. Demand peaks in Jul. Flapen scores it 58 out of 100, a Maybe.
01 · Demand
An estimated 11.3% of those searches ended in a purchase.
Shoppers searched for this 637K times in the last 12 months. That counts every search on Amazon Germany for this niche's terms. An estimated 11.3% of those searches ended in a purchase. Searches in the last 90 days moved -15.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated €1.1M a year.
- Searches, last 12 months
- 637K
- Growth, 90 days vs prior 90
- -15.7%
- Conversion, latest week
- 11.3%
- Market size, estimated
- €1.1Ma year
- Peak month
- July2.9× the quietest month
- Top search term
- l theanin283K searches a year
02 · Price
A sale here is worth €15.96.
Listings sell for €15.96 on average, from €9.29 to €21.88. Amazon reports units sold in ranges. This niche sold 60K to 80K a year. The average listing sells 2,500 to 3,000 of them. At €15.96 that is €40K to €48K a year per listing.
- Average price
- €15.96inside the $15 to $100 sweet spot
- Price range
- €9.29–€21.88
- Amazon Germany median price
- €18.99across 29,809 niches
- Units sold a year
- 60K–80K
- Units per listing a year
- 2,500–3,000
- Revenue per listing a year
- €40K–€48K
- Returns
- 0.1%of orders · Amazon Germany median 1.1%
03 · Entry bar
The bar here is low.
69% of listings pay for placement with sponsored ads. 88% ship with Prime. On an average day, 4.6% of listings are out of stock. The average listing ranks #468 within Aminosäuren. It carries 922 reviews at 4.44 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 69%
- Prime listings
- 88%
- Out of stock, average day
- 4.6%
- Average rank
- #468in Aminosäuren
- Average rating
- 4.44 starsAmazon Germany average 4.37 stars
- Average reviews
- 922per listing
- Listings tracked
- 16
04 · Newcomers
3 of last year's 5 launches cleared the first-year sales bar.
5 products launched here in the last 12 months. 3 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 44 months on average, so the names here are settling in.
- Launched, last 12 months
- 5
- Successful launches
- 3Amazon's first-year sales bar
- Average brand age
- 44 months
Products
Top L Theanin products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 11, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
L Theanin - 401 mg pro Kapsel - 6 Monate Vorrat - Mit Schwarzer Pfeffer Extrakt (98% Piperin) & Vitamin B6 - L-Theanine aus Camellia Sinensis - 180 Kapseln - Frei von Magnesiumstearat - WeightWorld
- Price
- €17.43
- Rating
- 4.5/5
- Reviews
- 2,596
- Age
- 5y ago

L Theanin | IDEAL DOSIERT: 200mg | 240 Kapseln | Laborgeprüft & Hochrein | L-Theanin von SUPPLENATURA
- Price
- €20.52
- Rating
- 4.7/5
- Reviews
- 237
- Age
- 9mo ago

Naturkur L-Theanin 200mg - 360 Kapseln im Apothekerglas - Vegan ohne Zusatzstoffe in Handarbeit hergestellt in Unterfranken
- Price
- €19.94
- Rating
- 4.7/5
- Reviews
- 131
- Age
- 10mo ago

Nutricost L-Theanin 200mg 120 Kapseln Doppelte Stärke - Nicht-GMO Glutenfrei
- Price
- €12.26
- Rating
- 4.5/5
- Reviews
- 9,449
- Age
- 9y ago

EXVital L-Theanin 180 vegane Kapseln 400 mg L-Theanin pro Kapsel aus Grüntee Blattextrakt L-Theanine Aminosäure vegan & ohne Zusätze laborgeprüft
- Price
- €17.68
- Rating
- 4.5/5
- Reviews
- 363
- Age
- 1y ago
Trending
estimated 90-day click momentum
L-Theanin 500 mg 180 Vegane Kapseln Hochdosierte Aminosäure aus Grüntee | 6-Monatsvorrat | 98% Rein Keine Zusatzstoffe | Hergestellt in Dänemark
- Price
- €14.17
- Rating
- 4.4/5
- Reviews
- 66
- Age
- 7mo ago

MoleQlar L-Theanin Kapseln 200 mg - 60 Kapseln Pure Green Tea Extract - Natürliche Aminosäure aus grünem Tee geprüft & hochrein - Camellia sinensis Extrakt
- Price
- €18.34
- Rating
- 4.6/5
- Reviews
- 48
- Age
- 8mo ago

ESN L-Theanine 45 Kapseln 100 mg L-Theanine pro Portion mentale Entspannung & Fokus vegan made in Germany
- Price
- €13.98
- Rating
- 4.0/5
- Reviews
- 56
- Age
- 1y ago

L Theanin | IDEAL DOSIERT: 200mg | 240 Kapseln | Laborgeprüft & Hochrein | L-Theanin von SUPPLENATURA
- Price
- €20.52
- Rating
- 4.7/5
- Reviews
- 237
- Age
- 9mo ago

L-Theanin 200mg 240 Vegane Kapseln Hochdosierte Aminosäure aus Grüntee | 8-Monatsvorrat | 98% Rein Ohne Zusatzstoffe | Hergestellt in Dänemark
- Price
- €12.60
- Rating
- 4.3/5
- Reviews
- 83
- Age
- 8mo ago
Newest
by launch date
L-Theanin 500 mg 180 Vegane Kapseln Hochdosierte Aminosäure aus Grüntee | 6-Monatsvorrat | 98% Rein Keine Zusatzstoffe | Hergestellt in Dänemark
- Price
- €14.17
- Rating
- 4.4/5
- Reviews
- 66
- Age
- 7mo ago

L-Theanin 200mg 240 Vegane Kapseln Hochdosierte Aminosäure aus Grüntee | 8-Monatsvorrat | 98% Rein Ohne Zusatzstoffe | Hergestellt in Dänemark
- Price
- €12.60
- Rating
- 4.3/5
- Reviews
- 83
- Age
- 8mo ago

MoleQlar L-Theanin Kapseln 200 mg - 60 Kapseln Pure Green Tea Extract - Natürliche Aminosäure aus grünem Tee geprüft & hochrein - Camellia sinensis Extrakt
- Price
- €18.34
- Rating
- 4.6/5
- Reviews
- 48
- Age
- 8mo ago

L Theanin | IDEAL DOSIERT: 200mg | 240 Kapseln | Laborgeprüft & Hochrein | L-Theanin von SUPPLENATURA
- Price
- €20.52
- Rating
- 4.7/5
- Reviews
- 237
- Age
- 9mo ago

Naturkur L-Theanin 200mg - 360 Kapseln im Apothekerglas - Vegan ohne Zusatzstoffe in Handarbeit hergestellt in Unterfranken
- Price
- €19.94
- Rating
- 4.7/5
- Reviews
- 131
- Age
- 10mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 70% of clicks. A locked shelf that new listings rarely crack.
Brands
13 falling
Sellers
26
Est. top-5 brand share
72%
Top 20: 100%
Est. top-5 click share
70%
Top 20: 100%
Open market
22%
- WeightWorld27%
- Naturkur13%
- supplenatura. Rheinland12%
- Nutricost11%
- EXVital10%
- Vit4ever6%
Demand
L Theanin search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jul · busiest ÷ quietest = 2.9×
Search terms
Top L Theanin search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- l theanin283K/yr
- l-theanin148K/yr
- l theanine26K/yr
- l-theanine29K/yr
- theanin32K/yr
- l theanin 200mg34K/yr
- suntheanine7K/yr
- l-theanin 200mg16K/yr
- l theanin 500mg11K/yr
- l theanin 100mg7K/yr
Reviews and returns
What reviews say buyers love and hate about L Theanin
We read the reviews and the return reasons for every product selling here.
“Wirkt nicht”
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.
17 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 L Theanin questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









