---
title: "Reviews — potassium magnesium supplement - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/potassium-magnesium-supplement/reviews"
last_updated: "2026-08-10T04:23:38.462Z"
locale: en
meta:
  description: "Niche score 62/100 · $975K/yr market · 622K searches/yr · $19.15 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:description": "Niche score 62/100 · $975K/yr market · 622K searches/yr · $19.15 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:title": "Reviews — potassium magnesium supplement - Flapen"
---

# **potassium magnesium supplement**

**Launch it**

A $975K/yr market growing +2.1% this quarter with returns at 0.0% — clears our launch bar.

Market size 77Growth 28Conversion 80Competition 51Returns 100Price range 76Avg price 85Brand share 77Review moat 38Quality gap 28

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Avg price**

**Great****$19.15**

avg listing price — sweet spot $15–$100

**Conversion**

**Great****8.2%**

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

**Market size**

**Great****$975K**

$975K/yr · 622K searches

**Brand share**

**Great****58%**

top-5 brand share — no brand owns this niche

**Price range**

**Great****$7.59–$38.95**

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

**Competition**

**Good****54%**

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

**Review moat**

**Okay****2,653**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Okay****+2.1%**

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

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")

## Reviews