---
title: "Products — vitamin d test - Flapen"
canonical_url: "https://flapen.com/research/de/drogerie-koerperpflege/vitamin-d-test/products"
last_updated: "2026-08-10T16:29:53.066Z"
locale: en
meta:
  description: "Niche score 59/100 · €218K/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 59/100 · €218K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Products — vitamin d test - Flapen"
---

# **vitamin d test**

**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 42Growth 0Conversion 72Competition 52Returns 99Price range 77Avg price 81Brand share 62Review moat 91Quality gap 95

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Quality gap**

**Incredible****4.0★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Great****189.46**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Great****€17.38**

avg listing price — sweet spot $15–$100

**Price range**

**Great****€5.49–€47.01**

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

**Conversion**

**Good****6.7%**

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

**Brand share**

**Good****68%**

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

**Competition**

**Good****54%**

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

**Market size**

**Okay****€218K**

€218K/yr · 187K searches

**Growth**

**Bad****-54.6%**

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

**Signals**[** Quality Gap**](https://flapen.com/research/niches?market=de&signal=quality_gap "Avg rating < 4.0")

## Products