---
title: "Reviews — gaba l-theanine supplement"
canonical_url: "https://flapen.com/research/us/health-household/gaba-l-theanine-supplement/reviews"
last_updated: "2026-08-12T04:57:02.645Z"
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  description: "Amazon product research for gaba l-theanine supplement: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:description": "Amazon product research for gaba l-theanine supplement: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:title": "Reviews — gaba l-theanine supplement"
---

# **Gaba L-theanine Supplement**

**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 49Growth 30Conversion 77Competition 46Returns 100Price range 87Avg price 95Brand share 69Review moat 36Quality gap 52

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$24.19**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$11.48–$48.89**

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

**Conversion**

**Great****7.5%**

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

**Brand share**

**Good****63%**

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

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Market size**

**Okay****$265K**

$265K/yr · 145K searches

**Competition**

**Okay****57%**

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

**Review moat**

**Okay****2,920.68**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Okay****+4.3%**

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

## Reviews