Tryptophan
MaybeAn estimated 0.1% of orders come back. But demand is soft, at -18.5% this quarter, so Tryptophan is a Maybe.
- Flapen Score
- 55 / 100Top 22% of 2,966 Drogerie & Körperpflege niches · +6 vs the category median of 4955
- Market size
- €639K/yr268K searches / yr
- 90-day growth
- -18.5%search demand this quarter
- Competition
- 74%top-5 click share · 12 brands · 25 sellers
Flapen Score
Tryptophan against its category
The dotted line is the Drogerie & Körperpflege average. Past it, Tryptophan is stronger. Inside it, weaker.
Market
The Tryptophan market on Amazon at a glance
Shoppers on Amazon Germany searched for Tryptophan 268K times last year and spent an estimated €639K. The top 5 brands take 74% of clicks. Flapen scores it 55 out of 100, a Maybe.
01 · Demand
An estimated 14.6% of those searches ended in a purchase.
Shoppers searched for this 268K times in the last 12 months. That counts every search on Amazon Germany for this niche's terms. An estimated 14.6% of those searches ended in a purchase. Searches in the last 90 days moved -18.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated €639K a year.
- Searches, last 12 months
- 268K
- Growth, 90 days vs prior 90
- -18.5%
- Conversion, latest week
- 14.6%
- Market size, estimated
- €639Ka year
- Peak month
- November1.5× the quietest month
- Top search term
- tryptophan88K searches a year
02 · Price
A sale here is worth €16.37.
Listings sell for €16.37 on average, from €10.04 to €21.71. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 2,000 to 2,500 of them. At €16.37 that is €33K to €41K a year per listing.
- Average price
- €16.37inside the $15 to $100 sweet spot
- Price range
- €10.04–€21.71
- Amazon Germany median price
- €18.99across 29,809 niches
- Units sold a year
- 30K–40K
- Units per listing a year
- 2,000–2,500
- Revenue per listing a year
- €33K–€41K
- Returns
- 0.1%of orders · Amazon Germany median 1.1%
03 · Entry bar
The bar here is low.
83% of listings pay for placement with sponsored ads. 92% ship with Prime. On an average day, 12.5% of listings are out of stock. The average listing ranks #261 within Aminosäuren. It carries 1,043 reviews at 4.43 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 83%
- Prime listings
- 92%
- Out of stock, average day
- 12.5%
- Average rank
- #261in Aminosäuren
- Average rating
- 4.43 starsAmazon Germany average 4.37 stars
- Average reviews
- 1,043per listing
- Listings tracked
- 12
04 · Newcomers
1 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 52 months on average, so the names here are settling in.
- Launched, last 12 months
- 2
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 52 months
Products
Top Tryptophan 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
natural elements L-Tryptophan - hochdosiert mit 500mg je Kapsel - 240 vegane Kapseln - 8 Monate Reichweite - Aus pflanzlicher Fermentation - Laborgeprüft ohne unerwünschte Zusätze vegan
- Price
- €21.71
- Rating
- 4.3/5
- Reviews
- 6,279
- Age
- 7y ago

L-Tryptophan hochdosiert - 300 L-Tryptophan Kapseln - 500mg Tryptophan je Kapsel - 10 Monate Reichweite - Tryptophan aus pflanzlicher Fermentation - laborgeprüft mit Zertifikat - 100% vegan
- Price
- €15.17
- Rating
- 4.5/5
- Reviews
- 669
- Age
- 7y ago

Green Naturals L-Tryptophan Kapseln Hochdosiert: 700 mg aus natürlicher Fermentation (rein pflanzlich) 100% Vegan & ohne Zusätze Premiumqualität aus Österreich 180 Kapseln (6 Monate)
- Price
- €17.63
- Rating
- 4.5/5
- Reviews
- 650
- Age
- 2y ago

NATURE LOVE L-Tryptophan - 240 Kapseln laborgeprüft hochdosiert mit 500 mg je Tagesdosis vegan und in Deutschland produziert - ohne unnötige Zusätze
- Price
- €19.36
- Rating
- 4.4/5
- Reviews
- 1,702
- Age
- 5y ago

L-Tryptophan hochdosiert - 300x L-Tryptophan Kapseln - 500 mg Tryptophan je Kapsel - 10 Monate Reichweite - veganes Tryptophan aus Fermentation - laborgeprüft mit Zertifikat - 100% vegan
- Price
- €14.85
- Rating
- 4.6/5
- Reviews
- 298
- Age
- 2y ago
Trending
estimated 90-day click momentum
L-Tryptophan hochdosiert 300 Kapseln 500mg pro Kapsel aus pflanzlicher Fermentation vegan & produziert in Deutschland - Verpackung kann variieren - Laborgeprüft
- Price
- €13.92
- Rating
- 4.7/5
- Reviews
- 28
- Age
- 2mo ago

L-Tryptophan - hochdosiert mit 500 mg je Kapsel - 365 vegane Kapseln - 12 Monate Reichweite - Aus pflanzlicher Fermentation - ohne unnötige Zusätze vegan
- Price
- €16.88
- Rating
- 4.2/5
- Reviews
- 610
- Age
- 11mo ago

L-Tryptophan hochdosiert - 300 L-Tryptophan Kapseln - 500mg Tryptophan je Kapsel - 10 Monate Reichweite - Tryptophan aus pflanzlicher Fermentation - laborgeprüft mit Zertifikat - 100% vegan
- Price
- €15.17
- Rating
- 4.5/5
- Reviews
- 669
- Age
- 7y ago

L-Tryptophan hochdosiert - 300x L-Tryptophan Kapseln - 500 mg Tryptophan je Kapsel - 10 Monate Reichweite - veganes Tryptophan aus Fermentation - laborgeprüft mit Zertifikat - 100% vegan
- Price
- €14.85
- Rating
- 4.6/5
- Reviews
- 298
- Age
- 2y ago

Naturkur L-Tryptophan 500 mg - 240 Kapseln im Apothekerglas - Vegan Laborgeprüft ohne Zusatzstoffe in Handarbeit hergestellt in Unterfranken
- Price
- €19.95
- Rating
- 4.5/5
- Reviews
- 228
- Age
- 6y ago
Newest
by launch date
L-Tryptophan hochdosiert 300 Kapseln 500mg pro Kapsel aus pflanzlicher Fermentation vegan & produziert in Deutschland - Verpackung kann variieren - Laborgeprüft
- Price
- €13.92
- Rating
- 4.7/5
- Reviews
- 28
- Age
- 2mo ago

L-Tryptophan - hochdosiert mit 500 mg je Kapsel - 365 vegane Kapseln - 12 Monate Reichweite - Aus pflanzlicher Fermentation - ohne unnötige Zusätze vegan
- Price
- €16.88
- Rating
- 4.2/5
- Reviews
- 610
- Age
- 11mo ago

L-Tryptophan 500mg pro Tagesdosis hochdosiert mit 180 Kapseln für 6 Monate aus Fermentation vegan in Deutschland entwickelt & laborgeprüft
- Price
- €10.04
- Rating
- 4.2/5
- Reviews
- 170
- Age
- 1y ago

L-Tryptophan hochdosiert - 300x L-Tryptophan Kapseln - 500 mg Tryptophan je Kapsel - 10 Monate Reichweite - veganes Tryptophan aus Fermentation - laborgeprüft mit Zertifikat - 100% vegan
- Price
- €14.85
- Rating
- 4.6/5
- Reviews
- 298
- Age
- 2y ago

Green Naturals L-Tryptophan Kapseln Hochdosiert: 700 mg aus natürlicher Fermentation (rein pflanzlich) 100% Vegan & ohne Zusätze Premiumqualität aus Österreich 180 Kapseln (6 Monate)
- Price
- €17.63
- Rating
- 4.5/5
- Reviews
- 650
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 74% of clicks. A locked shelf that new listings rarely crack.
Brands
12 rising
Sellers
25
Est. top-5 brand share
74%
Top 20: 100%
Est. top-5 click share
74%
Top 20: 100%
Open market
18%
- natural elements24%
- ProFuel18%
- GREEN NATURALS12%
- Nature Love11%
- NatureWell10%
- Feel Natural7%
Demand
Tryptophan search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Tryptophan search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- tryptophan88K/yr
- l tryptophan71K/yr
- l-tryptophan39K/yr
- tryptophan hochdosiert23K/yr
- l tryptophan hochdosiert 1000mg19K/yr
- l tryptophan 500mg9K/yr
- l-tryptophan 500mg kapseln6K/yr
- l-tryptophan hochdosiert3K/yr
- l-tryptophan 1000mg3K/yr
- tryptophan 1000mg3K/yr
Reviews and returns
What reviews say buyers love and hate about Tryptophan
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.
16 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 Tryptophan 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









