---
title: "Reviews — vitamin c and zinc - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/vitamin-c-and-zinc/reviews"
last_updated: "2026-07-31T15:42:05.175Z"
locale: en
meta:
  description: "Niche score 43/100 · £169K/yr market · 132K searches/yr · £8.10 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 43/100 · £169K/yr market · 132K searches/yr · £8.10 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Reviews — vitamin c and zinc - Flapen"
---

# **vitamin c and zinc**

**Skip it**

Prices mostly outside the sweet spot ($2.92–$13.50) — this niche doesn't clear our bar today.

Market size 35Growth 5Conversion 97Competition 27Returns 100Price range 0Avg price 22Brand share 58Review moat 51Quality gap 33

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Conversion**

**Incredible****15.7%**

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

**Brand share**

**Good****70%**

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

**Review moat**

**Good****1,442.63**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Okay****£169K**

£169K/yr · 132K searches

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Competition**

**Okay****69%**

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

**Avg price**

**Bad****£8.10**

avg listing price — sweet spot $15–$100

**Growth**

**Bad****-40.6%**

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

**Price range**

**Bad****£2.92–£13.50**

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