---
title: "Products — magnesium citrate 400mg"
canonical_url: "https://flapen.com/research/us/health-household/magnesium-citrate-400mg/products"
last_updated: "2026-08-12T17:25:30.913Z"
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meta:
  description: "Amazon product research for magnesium citrate 400mg: $16K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:description": "Amazon product research for magnesium citrate 400mg: $16K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:title": "Products — magnesium citrate 400mg"
---

# **Magnesium Citrate 400mg**

**Worth a look**

Shows low returns (0.0%), but a deep review moat (10,519 avg reviews) keeps it on the watch list.

Market size 38Growth 24Conversion 80Competition 49Returns 100Price range 72Avg price 77Brand share 55Review moat 21Quality gap 22

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****8.3%**

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

**Avg price**

**Great****$15.96**

avg listing price — sweet spot $15–$100

**Price range**

**Good****$7.77–$33.48**

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

**Brand share**

**Good****72%**

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

**Competition**

**Okay****56%**

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

**Market size**

**Okay****$189K**

$189K/yr · 143K searches

**Growth**

**Bad****-1.8%**

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

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Bad****10,519**

avg incumbent reviews — the moat a new listing must climb

## Products