reacted magnesium
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Great$52.68avg listing price — sweet spot $15–$100
Price range
Great$26.10–$103.85cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great7.3%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
Bad4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad12,514.5avg incumbent reviews — the moat a new listing must climb
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
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
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.Peak months: Feb, Jun, Sep, Oct · busiest ÷ quietest = 3.2×
Top reacted magnesium search terms
- reacted magnesium44K/yr
- reacted magnesium ortho molecular20K/yr
- ortho molecular reacted magnesium15K/yr
- orthomolecular reacted magnesium6K/yr
- reactive magnesium4K/yr
- ortho molecular magnesium2K/yr
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.
All 4 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Ortho Molecular Reacted Magnesium - 60 Capsules
Ortho Molecular Products$53.684.8★44 rev
Reacted Magnesium & Potassium - High Absorption Magnesium Supplement with Magnesium Citrate Glycinate Malate - Supports Sleep Muscles Heart Health - 100 Capsules
Jkrova$27.104.7★8 rev
Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief Sleep Heart Health Nerves Muscles and Metabolism* - with Magnesium Glycinate - 90 Capsules
Pure Encapsulations$26.104.7★49,969 rev
Ortho Molecular Product Reacted Cal-Mag - 180 Capsules
Ortho Molecular Products$103.854.3★37 rev
Newest
by launch dateOrtho Molecular Reacted Magnesium - 60 Capsules
Ortho Molecular Products$53.6844 rev
Reacted Magnesium & Potassium - High Absorption Magnesium Supplement with Magnesium Citrate Glycinate Malate - Supports Sleep Muscles Heart Health - 100 Capsules
Jkrova$27.108 rev
Ortho Molecular Product Reacted Cal-Mag - 180 Capsules
Ortho Molecular Products$103.8537 rev
Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief Sleep Heart Health Nerves Muscles and Metabolism* - with Magnesium Glycinate - 90 Capsules
Pure Encapsulations$26.1049,969 rev
Trending
90-day click momentumReacted Magnesium & Potassium - High Absorption Magnesium Supplement with Magnesium Citrate Glycinate Malate - Supports Sleep Muscles Heart Health - 100 Capsules
Jkrova$27.104.7★
Ortho Molecular Reacted Magnesium - 60 Capsules
Ortho Molecular Products$53.684.8★
Ortho Molecular Product Reacted Cal-Mag - 180 Capsules
Ortho Molecular Products$103.854.3★
Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief Sleep Heart Health Nerves Muscles and Metabolism* - with Magnesium Glycinate - 90 Capsules
Pure Encapsulations$26.104.7★
What buyers say about reacted magnesium
What buyers praise and complain about, mined from review topics.What buyers love
“Restful sleep”
“High quality Suppliment”
“Best magnesium supplement Ive had yet”
“Best vitamins”
“As advertised”
“It also helps with stress”
“Good product for the price”
“Eases muscle cramping”
“Works perfectly”
“The capsules are easy to take”
What buyers complain about
“I still cannot go to sleep”
“Bad Side effects”
“I must not be able to tolerate magnesium”
“Its not effective”
“Poor quality control”
“Harsh on stomach”
“The bottle was small”
“or dosage information which has never happened before then come to find out I cant return them”
“They are not cheap”
“It made me feel very weird and unsettled, actually more anxious than ever”
Top return reasons
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.