---
title: "Reacted Magnesium — $349K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/reacted-magnesium"
last_updated: "2026-08-11T16:44:28.357Z"
locale: en
meta:
description: "Niche score 43/100 · $349K/yr market · 91K searches/yr · $52.68 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · $349K/yr market · 91K searches/yr · $52.68 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Reacted Magnesium — $349K/yr Amazon US Niche (2026) - Flapen"
---
# **reacted magnesium**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 53Growth 31Conversion 76Competition 0Returns 100Price range 91Avg price 92Brand share 0Review moat 20Quality gap 23
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$52.68**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$26.10–$103.85**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****7.3%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Good****$349K**
$349K/yr · 91K searches
**Growth**
**Okay****+4.6%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****12,514.5**
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
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, reacted magnesium is a $349K/yr Amazon United States market (91K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Feb–Jun–Sep–Oct. Verdict: Skip it — 43/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **reacted magnesium market data**
- **Units sold / yr**
- **6K–8K**
- avg 500–750/product
- **Revenue / yr**
- **$316K–$421K**
- units × avg price
- **Conversion rate**
- **7.3%**
- **Avg BSR**
- **#3,134**
- **Page quality**
- **0%**
- **Prime**
- **50%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **69 months**
- **Avg seller age**
- **156 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **▼falling
**Sellers**
**25**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Ortho Molecular Products82% - Jkrova11% - Pure Encapsulations7%
## **Demand & seasonality**
Weekly Amazon search volume, last 100 weeks — +4.6% search growth over the last 90 days.
7K5KSpike '24Holiday '24Spike '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Feb, Jun, Sep, Oct · busiest ÷ quietest = 3.2×
[**Open Trend **](https://flapen.com/research/us/health-household/reacted-magnesium/trend)
## **Top reacted magnesium search terms**
- **reacted magnesium**44K/yr-3.2%6.3% conv. - **reacted magnesium ortho molecular**20K/yr+19.3%6.5% conv. - **ortho molecular reacted magnesium**15K/yr-5.2%4.5% conv. - **orthomolecular reacted magnesium**6K/yr+41.8%1.7% conv. - **reactive magnesium**4K/yr-1.3%6.7% conv. - **ortho molecular magnesium**2K/yr-7.6%2.7% conv. [**All search terms **](https://flapen.com/research/us/health-household/reacted-magnesium/search-terms)
## **Top reacted magnesium products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%20%$70K40%$140K60%$209K80%$279K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 4 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Ortho Molecular Reacted Magnesium - 60 Capsules**Ortho Molecular Products**$53.68**4.8★44 rev](https://www.amazon.com/dp/B0G35JHWF6) [2**Reacted Magnesium & Potassium - High Absorption Magnesium Supplement with Magnesium Citrate Glycinate Malate - Supports Sleep Muscles Heart Health - 100 Capsules**Jkrova**$27.10**4.7★8 rev](https://www.amazon.com/dp/B0FQN88JL3) [3**Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief Sleep Heart Health Nerves Muscles and Metabolism* - with Magnesium Glycinate - 90 Capsules**Pure Encapsulations**$26.10**4.7★49,969 rev](https://www.amazon.com/dp/B07P5K7DQP) [4**Ortho Molecular Product Reacted Cal-Mag - 180 Capsules**Ortho Molecular Products**$103.85**4.3★37 rev](https://www.amazon.com/dp/B003PR7X0U)
### **Newest**
by launch date
[**Ortho Molecular Reacted Magnesium - 60 Capsules**Ortho Molecular Products**$53.68**44 rev8mo ago](https://www.amazon.com/dp/B0G35JHWF6) [**Reacted Magnesium & Potassium - High Absorption Magnesium Supplement with Magnesium Citrate Glycinate Malate - Supports Sleep Muscles Heart Health - 100 Capsules**Jkrova**$27.10**8 rev10mo ago](https://www.amazon.com/dp/B0FQN88JL3) [**Ortho Molecular Product Reacted Cal-Mag - 180 Capsules**Ortho Molecular Products**$103.85**37 rev16y ago](https://www.amazon.com/dp/B003PR7X0U) [**Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief Sleep Heart Health Nerves Muscles and Metabolism* - with Magnesium Glycinate - 90 Capsules**Pure Encapsulations**$26.10**49,969 rev18y ago](https://www.amazon.com/dp/B07P5K7DQP)
### **Trending**
90-day click momentum
[**Reacted Magnesium & Potassium - High Absorption Magnesium Supplement with Magnesium Citrate Glycinate Malate - Supports Sleep Muscles Heart Health - 100 Capsules**Jkrova**$27.10**4.7★**▲ 65%**](https://www.amazon.com/dp/B0FQN88JL3) [**Ortho Molecular Reacted Magnesium - 60 Capsules**Ortho Molecular Products**$53.68**4.8★**— 6%**](https://www.amazon.com/dp/B0G35JHWF6) [**Ortho Molecular Product Reacted Cal-Mag - 180 Capsules**Ortho Molecular Products**$103.85**4.3★**▼ 28%**](https://www.amazon.com/dp/B003PR7X0U) [**Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief Sleep Heart Health Nerves Muscles and Metabolism* - with Magnesium Glycinate - 90 Capsules**Pure Encapsulations**$26.10**4.7★**▼ 52%**](https://www.amazon.com/dp/B07P5K7DQP)
## **What buyers say about reacted magnesium**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Sleep Quality**23%
*“Restful sleep”*
**Quality-Overall**19%
*“High quality Suppliment”*
**Magnesium**14%
*“Best magnesium supplement Ive had yet”*
**Vitamin**5%
*“Best vitamins”*
**Advertised Vs Actual Product**4%
*“As advertised”*
**Stress/Anxiety**3%
*“It also helps with stress”*
**Value For Money**2%
*“Good product for the price”*
**Muscle Pain Relief**2%
*“Eases muscle cramping”*
**Efficiency**2%
*“Works perfectly”*
**Ease Of Chewing/Swallowing**2%
*“The capsules are easy to take”*
### **What buyers complain about **
**Sleep Quality**16%
*“I still cannot go to sleep”*
**Side Effects**6%
*“Bad Side effects”*
**Magnesium**6%
*“I must not be able to tolerate magnesium”*
**Functionality-Overall**6%
*“Its not effective”*
**Quality-Overall**6%
*“Poor quality control”*
**Acid Regulator/Stomach Ache Relief**6%
*“Harsh on stomach”*
**Size-Overall**4%
*“The bottle was small”*
**Dosage**4%
*“or dosage information which has never happened before then come to find out I cant return them”*
**Value For Money**4%
*“They are not cheap”*
**Stress/Anxiety**2%
*“It made me feel very weird and unsettled, actually more anxious than ever”*
### **Top return reasons **
**Functionality-Overall**19%
**Dosage**18%
**Magnesium**18%
**Acid Regulator/Stomach Ache Relief**10%
**Sleep Quality**6%
**Size-Overall**6%
**Value For Money**6%
**Pain Relief-Overall**3%
**Joint Pain**3%
**Ease Of Cleaning**3%
## **Common questions**
- **Is reacted magnesium profitable to sell on Amazon United States?**
- The niche generates $349K/yr across 4 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +4.6%. Flapen's verdict: Skip it (43/100).
- **How competitive is the reacted magnesium niche?**
- 3 brands and 25 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in reacted magnesium?**
- Top complaints mined from reviews: Sleep Quality, Side Effects, Magnesium. The return rate is 0.0%.
- **When does demand for reacted magnesium peak?**
- Demand peaks in Feb–Jun–Sep–Oct; the busiest month runs 3.2× the quietest.
- **What does it cost to enter the reacted magnesium niche?**
- Listings span $26.10–$103.85; the average listing price is $52.68 (sweet spot $15–$100). The average incumbent carries 12,515 reviews — the moat a new listing must climb.
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