---
title: "Magox 400 Magnesium 120 Tablets — Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/magox-400-magnesium-120-tablets"
last_updated: "2026-08-12T18:26:16.462Z"
locale: en
meta:
description: "Amazon product research for magox 400 magnesium 120 tablets: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for magox 400 magnesium 120 tablets: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Magox 400 Magnesium 120 Tablets — Amazon US Product Research"
---
# **Magox 400 Magnesium 120 Tablets**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 33Growth 64Conversion 100Competition 0Returns 100Price range 66Avg price 84Brand share 0Review moat 19Quality gap 19
**Conversion**
**Incredible****19.9%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$18.76**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$8.38–$27.67**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+43.1%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$156K**
$156K/yr · 42K searches
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****15,805.4**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
## **Is magox 400 magnesium 120 tablets profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, magox 400 magnesium 120 tablets is a $156K/yr Amazon United States market (42K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 45/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **magox 400 magnesium 120 tablets market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **8K–10K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$150K–$188K**
- units × avg price
- **Conversion rate**
- **19.9%**
- **Avg BSR**
- **#561**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **20%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **83 months**
- **Avg seller age**
- **159 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**2 **▼falling
**Sellers**
**27**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Mag-Ox 40097% - nbpure3%
## **magox 400 magnesium 120 tablets demand & seasonality**
Weekly Amazon search volume, last 102 weeks — +43.1% search growth over the last 90 days.
3K2KPrime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/health-household/magox-400-magnesium-120-tablets/trend)
## **Top magox 400 magnesium 120 tablets search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **mag ox**20K/yr+44.1%14.3% conv. - **magox 400 magnesium 120 tablets**18K/yr+43.5%21.2% conv. - **mag-ox 400 magnesium supplement**4K/yr+35.5%16.5% conv. [**All search terms **](https://flapen.com/research/us/health-household/magox-400-magnesium-120-tablets/search-terms)
## **Top magox 400 magnesium 120 tablets products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%15%$23K30%$47K45%$70K60%$94K1K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 5 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Mag-Ox Magnesium Supplement Pharmaceutical Grade Magnesium Oxide 483mg Most Concentrated Form of Magnesium 120 Tablets**Mag-Ox 400**$10.55**4.7★9,875 rev](https://www.amazon.com/dp/B004CXBLAO) [2**Mag-Ox High Potency Magnesium Supplement Tablets 120 Count Pack of 2**Mag-Ox 400**$20.51**4.7★9,875 rev](https://www.amazon.com/dp/B08871J5MN) [3**Mag-Ox High Potency Magnesium Supplement Tablets 60 Count**Mag-Ox 400**$8.38**4.7★9,875 rev](https://www.amazon.com/dp/B006SVZTNI) [4**nbpure MagO7 - Natural Colon Cleanse & Detox | Occasional Constipation Relief Stool Softening & Bloating Support for Men & Women | Ozonated Magnesium Oxide 90 Capsules**nbpure**$27.67**4.6★47,406 rev](https://www.amazon.com/dp/B000PKEJR0) [5**Mag-Ox 400 Magnesium Mineral Dietary Supplement Tablets 483 mg Magnesium Oxide Pharmaceutical Grade 120 Count (Pack of 2)**Mag-Ox 400**$26.69**4.8★1,996 rev](https://www.amazon.com/dp/B001G7QM0I)
### **Newest**
by launch date
[**Mag-Ox High Potency Magnesium Supplement Tablets 120 Count Pack of 2**Mag-Ox 400**$20.51**9,875 rev6y ago](https://www.amazon.com/dp/B08871J5MN) [**Mag-Ox High Potency Magnesium Supplement Tablets 60 Count**Mag-Ox 400**$8.38**9,875 rev14y ago](https://www.amazon.com/dp/B006SVZTNI) [**Mag-Ox Magnesium Supplement Pharmaceutical Grade Magnesium Oxide 483mg Most Concentrated Form of Magnesium 120 Tablets**Mag-Ox 400**$10.55**9,875 rev17y ago](https://www.amazon.com/dp/B004CXBLAO) [**Mag-Ox 400 Magnesium Mineral Dietary Supplement Tablets 483 mg Magnesium Oxide Pharmaceutical Grade 120 Count (Pack of 2)**Mag-Ox 400**$26.69**1,996 rev17y ago](https://www.amazon.com/dp/B001G7QM0I) [**nbpure MagO7 - Natural Colon Cleanse & Detox | Occasional Constipation Relief Stool Softening & Bloating Support for Men & Women | Ozonated Magnesium Oxide 90 Capsules**nbpure**$27.67**47,406 rev22y ago](https://www.amazon.com/dp/B000PKEJR0)
### **Trending**
90-day click momentum
[**Mag-Ox High Potency Magnesium Supplement Tablets 60 Count**Mag-Ox 400**$8.38**4.7★**▲ 39%**](https://www.amazon.com/dp/B006SVZTNI) [**Mag-Ox Magnesium Supplement Pharmaceutical Grade Magnesium Oxide 483mg Most Concentrated Form of Magnesium 120 Tablets**Mag-Ox 400**$10.55**4.7★**▲ 23%**](https://www.amazon.com/dp/B004CXBLAO) [**Mag-Ox High Potency Magnesium Supplement Tablets 120 Count Pack of 2**Mag-Ox 400**$20.51**4.7★**▼ 18%**](https://www.amazon.com/dp/B08871J5MN) [**nbpure MagO7 - Natural Colon Cleanse & Detox | Occasional Constipation Relief Stool Softening & Bloating Support for Men & Women | Ozonated Magnesium Oxide 90 Capsules**nbpure**$27.67**4.6★**▼ 29%**](https://www.amazon.com/dp/B000PKEJR0) [**Mag-Ox 400 Magnesium Mineral Dietary Supplement Tablets 483 mg Magnesium Oxide Pharmaceutical Grade 120 Count (Pack of 2)**Mag-Ox 400**$26.69**4.8★**▼ 37%**](https://www.amazon.com/dp/B001G7QM0I)
## **What reviews say buyers love and hate about magox 400 magnesium 120 tablets**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**16%
*“This is a quality supplement”*
**Efficiency**15%
*“effectively and does what it says”*
**Regulates Digestion**11%
*“Constipation relief”*
**Advertised Vs Actual Product**9%
*“Works as advertised”*
**Acid Regulator/Stomach Ache Relief**5%
*“My stomach feels way better”*
**Magnesium**4%
*“Best supplement for those needing this kind of magnesium”*
**Soft Feel**3%
*“This product is gentle”*
**Value For Money**3%
*“Great value”*
**Dosage**3%
*“Now i know just do one dose”*
**Sleep Quality**3%
*“Sleep better”*
### **What buyers complain about **
**Functionality-Overall**18%
*“Didn't work”*
**Regulates Digestion**11%
*“had very concerning constipation”*
**Dosage**10%
*“start out with less pills than suggested on bottle”*
**Acid Regulator/Stomach Ache Relief**6%
*“The citrate liquid stuff from cvs cramps your stomach”*
**Magnesium**5%
*“There is something about magnesium that doesnt agree with me”*
**Sleep Quality**4%
*“Went too sleep skeptical it probably wouldnt do nothing because I didnt drink enough water”*
**Side Effects**4%
*“It did not have a good effect on me”*
**Value For Money**3%
*“The pills are too expensive”*
**Pain Relief-Overall**2%
*“There was some cramping”*
**Size-Overall**2%
*“I just wish the pills were smaller”*
### **Top return reasons **
**Magnesium**43%
**Charging**43%
**Dosage**14%
## **Common magox 400 magnesium 120 tablets questions**
- **Is magox 400 magnesium 120 tablets profitable to sell on Amazon United States?**
- The niche generates $156K/yr across 5 tracked products. 90-day search growth is +43.1%. Flapen's verdict: Skip it (45/100).
- **How competitive is the magox 400 magnesium 120 tablets niche?**
- 2 brands and 27 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in magox 400 magnesium 120 tablets?**
- Top complaints mined from reviews: Functionality-Overall, Regulates Digestion, Dosage. The return rate is 0.0%.
- **When does demand for magox 400 magnesium 120 tablets peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the magox 400 magnesium 120 tablets niche?**
- Listings span $8.38–$27.67; the average listing price is $18.76 (sweet spot $15–$100). The average incumbent carries 15,805 reviews — the moat a new listing must climb.
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