---
title: "Search terms — water retention tablets - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/water-retention-tablets/search-terms"
last_updated: "2026-07-31T09:00:59.923Z"
locale: en
meta:
  description: "Niche score 70/100 · £470K/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 70/100 · £470K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Search terms — water retention tablets - Flapen"
---

# **water retention tablets**

**Worth a look**

Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 58Growth 67Conversion 72Competition 42Returns 100Price range 79Avg price 62Brand share 75Review moat 81Quality gap 90

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Quality gap**

**Great****4.1★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Great****387.9**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Great****£5.12–£54.62**

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

**Brand share**

**Good****60%**

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

**Conversion**

**Good****6.7%**

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

**Growth**

**Good****+47.2%**

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

**Avg price**

**Good****£13.40**

avg listing price — sweet spot $15–$100

**Market size**

**Good****£470K**

£470K/yr · 524K searches

**Competition**

**Okay****60%**

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

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