---
title: "Products — vitamin d pregnancy supplement - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/vitamin-d-pregnancy-supplement/products"
last_updated: "2026-07-31T15:26:06.915Z"
locale: en
meta:
  description: "Niche score 40/100 · £90K/yr market · 97K searches/yr · £6.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 40/100 · £90K/yr market · 97K searches/yr · £6.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Products — vitamin d pregnancy supplement - Flapen"
---

# **vitamin d pregnancy supplement**

**Skip it**

Prices mostly outside the sweet spot ($2.75–$10.58) — this niche doesn't clear our bar today.

Market size 22Growth 53Conversion 97Competition 16Returns 99Price range 0Avg price 17Brand share 23Review moat 27Quality gap 25

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Conversion**

**Incredible****15.2%**

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

**Growth**

**Good****+25.5%**

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

**Review moat**

**Okay****3,837.73**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Bad****91%**

top-5 brand share — brand-locked demand

**Market size**

**Bad****£90K**

£90K/yr · 97K searches

**Avg price**

**Bad****£6.08**

avg listing price — sweet spot $15–$100

**Competition**

**Bad****81%**

top-5 click share — a locked-up shelf

**Price range**

**Bad****£2.75–£10.58**

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