---
title: "Reviews — lutein - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/lutein/reviews"
last_updated: "2026-07-31T17:38:43.074Z"
locale: en
meta:
  description: "Niche score 61/100 · £257K/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 61/100 · £257K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — lutein - Flapen"
---

# **lutein**

**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 47Growth 19Conversion 87Competition 73Returns 100Price range 53Avg price 57Brand share 79Review moat 69Quality gap 42

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****9.9%**

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

**Brand share**

**Great****56%**

top-5 brand share — no brand owns this niche

**Competition**

**Good****41%**

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

**Review moat**

**Good****739.8**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Good****£12.82**

avg listing price — sweet spot $15–$100

**Price range**

**Good****£3.59–£27.92**

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

**Market size**

**Okay****£257K**

£257K/yr · 202K searches

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-12.5%**

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

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%")