---
title: "Trend — l theanine"
canonical_url: "https://flapen.com/research/us/health-household/l-theanine/trend"
last_updated: "2026-08-12T16:03:26.562Z"
locale: en
meta:
  description: "Amazon product research for l theanine: $1.5M/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:description": "Amazon product research for l theanine: $1.5M/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:title": "Trend — l theanine"
---

# **L Theanine**

**Launch it**

A $17.6M/yr market growing +3.8% this quarter with returns at 0.0% — clears our launch bar.

Market size 100Growth 30Conversion 96Competition 48Returns 100Price range 88Avg price 95Brand share 69Review moat 24Quality gap 22

**Market size**

**Incredible****$17.6M**

$17.6M/yr · 5.2M searches

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Conversion**

**Incredible****14.4%**

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

**Avg price**

**Incredible****$23.66**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$9.86–$66.04**

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

**Brand share**

**Good****64%**

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

**Competition**

**Okay****56%**

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

**Growth**

**Okay****+3.8%**

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

**Review moat**

**Bad****5,311.14**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

## Trend