---
title: "Products — glycine"
canonical_url: "https://flapen.com/research/us/health-household/glycine/products"
last_updated: "2026-08-12T04:32:05.561Z"
locale: en
meta:
  description: "Amazon product research for glycine: $519K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:description": "Amazon product research for glycine: $519K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:title": "Products — glycine"
---

# **Glycine**

**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 99Growth 17Conversion 97Competition 33Returns 100Price range 78Avg price 86Brand share 50Review moat 48Quality gap 28

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Market size**

**Incredible****$6.2M**

$6.2M/yr · 2.1M searches

**Conversion**

**Incredible****15.6%**

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

**Avg price**

**Great****$19.40**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$9.89–$33.29**

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

**Brand share**

**Good****75%**

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

**Review moat**

**Okay****1,701.06**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Okay****65%**

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

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-15.6%**

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

## Products