---
title: "Products — tryptophan - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/tryptophan/products"
last_updated: "2026-08-10T15:29:15.951Z"
locale: en
meta:
  description: "Niche score 64/100 · $1.2M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 64/100 · $1.2M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Products — tryptophan - Flapen"
---

# **tryptophan**

**Worth a look**

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 81Growth 20Conversion 95Competition 49Returns 100Price range 77Avg price 95Brand share 58Review moat 51Quality gap 47

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Conversion**

**Incredible****12.7%**

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

**Avg price**

**Incredible****$26.33**

avg listing price — sweet spot $15–$100

**Market size**

**Great****$1.2M**

$1.2M/yr · 367K searches

**Price range**

**Great****$9.83–$119.23**

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

**Brand share**

**Good****71%**

top-5 brand share — brands hold most of the demand

**Review moat**

**Good****1,479.57**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Okay****55%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-10.4%**

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

## Products