---
title: "Reviews — vitamin k1 - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/vitamin-k1/reviews"
last_updated: "2026-07-21T23:16:00.088Z"
locale: en
meta:
  description: "Niche score 56/100 · $132K/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 56/100 · $132K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — vitamin k1 - Flapen"
---

# **vitamin k1**

**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 30Growth 23Conversion 84Competition 56Returns 100Price range 82Avg price 91Brand share 82Review moat 48Quality gap 23

**Returns**

**Incredible****0.0%**

return rate — above 6% kills the launch gate

**Avg price**

**Great****$21.55**

avg listing price — sweet spot $15–$100

**Conversion**

**Great****9.4%**

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

**Brand share**

**Great****53%**

top-5 brand share — no brand owns this niche

**Price range**

**Great****$4.58–$68.73**

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

**Competition**

**Good****52%**

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

**Review moat**

**Okay****1,691.07**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Okay****$132K**

$132K/yr · 65K searches

**Growth**

**Bad****-3.8%**

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

**Quality gap**

**Bad****4.6★**

avg incumbent rating — lower means beatable quality