---
title: "Reviews — glutathione - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/glutathione/reviews"
last_updated: "2026-07-31T18:52:16.554Z"
locale: en
meta:
  description: "Niche score 55/100 · £395K/yr market · 485K searches/yr. A concentrated shelf (top 5 take 78% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 55/100 · £395K/yr market · 485K searches/yr. A concentrated shelf (top 5 take 78% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — glutathione - Flapen"
---

# **glutathione**

**Worth a look**

Shows low returns (0.1%), but a concentrated shelf (top 5 take 78% of clicks) keeps it on the watch list.

Market size 55Growth 32Conversion 57Competition 18Returns 100Price range 69Avg price 80Brand share 45Review moat 74Quality gap 78

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Avg price**

**Great****£16.87**

avg listing price — sweet spot $15–$100

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Good****527.27**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Good****£8.22–£30.22**

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

**Conversion**

**Good****4.8%**

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

**Market size**

**Good****£395K**

£395K/yr · 485K searches

**Brand share**

**Okay****78%**

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

**Growth**

**Okay****+5.6%**

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

**Competition**

**Bad****78%**

top-5 click share — a locked-up shelf

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500")