---
title: "Reviews — black walnut extract - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/black-walnut-extract/reviews"
last_updated: "2026-08-10T12:15:15.941Z"
locale: en
meta:
  description: "Niche score 57/100 · $117K/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 57/100 · $117K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — black walnut extract - Flapen"
---

# **black walnut extract**

**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 27Growth 15Conversion 71Competition 65Returns 100Price range 82Avg price 85Brand share 80Review moat 61Quality gap 48

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Avg price**

**Great****$19.04**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$9.05–$44.91**

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

**Brand share**

**Great****55%**

top-5 brand share — no brand owns this niche

**Conversion**

**Good****6.5%**

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

**Competition**

**Good****46%**

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

**Review moat**

**Good****1,068.85**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Market size**

**Okay****$117K**

$117K/yr · 95K searches

**Growth**

**Bad****-20.6%**

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

## Reviews