---
title: "Magnesium Chloride — $29K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/magnesium-chloride"
last_updated: "2026-08-12T16:25:25.988Z"
locale: en
meta:
description: "Amazon product research for magnesium chloride: $29K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for magnesium chloride: $29K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Magnesium Chloride — $29K/mo Amazon US Product Research"
---
# **Magnesium Chloride**
**Worth a look**
Shows low returns (0.1%), but soft demand (-11.8% this quarter) keeps it on the watch list.
Market size 53Growth 19Conversion 65Competition 34Returns 100Price range 66Avg price 79Brand share 61Review moat 25Quality gap 28
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$16.77**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$8.12–$28.33**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****5.8%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Good****69%**
top-5 brand share — brands hold most of the demand
**Market size**
**Good****$346K**
$346K/yr · 354K searches
**Competition**
**Okay****65%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****4,512.76**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-11.8%**
90-day search growth — must beat 0% to launch
## **Is magnesium chloride profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, magnesium chloride is a $346K/yr Amazon United States market (354K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Jan. Verdict: Worth a look — 50/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **magnesium chloride market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **20K–25K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **$335K–$419K**
- units × avg price
- **Conversion rate**
- **5.8%**
- **Avg BSR**
- **#1,092**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **76%**
- **Out of stock**
- **8.1%**
- **Avg brand age**
- **67 months**
- **Avg seller age**
- **158 days**
## **Competition: brands, sellers & click share**
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▲rising
**Sellers**
**545**
**Top-5 brand share**
**69%**
Top 20: 100%
**Top-5 click share**
**65%**
Top 20: 99%
**Open market**
**26%**
- Double Wood Supplements26% - Slow-Mag14% - Nutricost12% - PURE ORIGINAL INGREDIENTS11% - Ancient Minerals5% - NOW Foods5%
## **magnesium chloride demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -11.8% search growth over the last 90 days.
15K10KSpike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/health-household/magnesium-chloride/trend)
## **Top magnesium chloride search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **magnesium chloride**220K/yr-17.6%5.5% conv. - **cloruro de magnesio**81K/yr+3.9%2.4% conv. - **magnesium chloride capsules**9K/yr+129.8%6.4% conv. - **cloruro de magnesio en capsulas**19K/yr-20.4%1.8% conv. - **magnesium chloride supplement**17K/yr-50.9%4.5% conv. - **magnesium-chloride**6K/yr-8.8%2.0% conv. - **magnesium chloride hexahydrate**3K/yr+6.3%6.1% conv. [**All search terms **](https://flapen.com/research/us/health-household/magnesium-chloride/search-terms)
## **Top magnesium chloride 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%10%$35K20%$69K30%$104K40%$139K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Magnesium Chloride (Cloruro De Magnesio) - 180 Capsules 1 000mg Per Serving Supports Digestive and Bone Health - Non-GMO and Gluten Free by Double Wood Supplements**Double Wood Supplements**$19.77**4.6★3,945 rev](https://www.amazon.com/dp/B07W8HGGF9) [2**Nutricost Magnesium Chloride (2LBS) Gluten-Free Vegetarian GMO-Free**Nutricost**$24.88**4.7★179 rev](https://www.amazon.com/dp/B0D96X5KBX) [3**SlowMag Muscle & Heart Magnesium Chloride Supplement with Calcium 120 Count Supports Muscle Relaxation Heart Nerve & Bone Health High Absorption**Slow-Mag**$16.73**4.7★10,984 rev](https://www.amazon.com/dp/B07CJX4M8K) [4**Pure Original Ingredients Magnesium Chloride (1 lb) Eco-Friendly Packaging Crystal Powder Magnesium Supplement**PURE ORIGINAL INGREDIENTS**$15.26**4.5★3,166 rev](https://www.amazon.com/dp/B076ZX3M1Q) [5**NOW Foods Solutions Magnesium Flakes 100% Pure from the Ancient Seabed Highly Concentrated 54-Ounce**NOW Foods**$15.33**4.8★5,895 rev](https://www.amazon.com/dp/B06XF6J5V1)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**10oz Food Grade Magnesium Chloride Powder - 100% Pure Magnesium Chloride**Holamdo**$9.06**65 rev1y ago](https://www.amazon.com/dp/B0DZBZLCNK) [**Nutricost Magnesium Chloride (2LBS) Gluten-Free Vegetarian GMO-Free**Nutricost**$24.88**179 rev2y ago](https://www.amazon.com/dp/B0D96X5KBX) [**Cloruro de Magnesio 100% Pure Magnesium Chloride Food Grade Powder | Highly Absorbable Edible Magnesium Supplement | for Daily Use or Magnesium Oil Preparation | Unflavored | 300 g / 10.58 oz**MS Finechem**$9.84**94 rev2y ago](https://www.amazon.com/dp/B0D2KD3LHQ) [**Micro Ingredients Magnesium Flakes 6lbs | Great Alternative to Epsom Salt for Foot & Body Bath Soaks | High Absorption | Natural Magnesium Chloride Minerals | Relaxation & Skin Hydration Support**Micro Ingredients**$24.82**1,293 rev3y ago](https://www.amazon.com/dp/B0C9PGM325) [**Liquid Magnesium | 8 oz - Ionic Magnesium Chloride Highest & Fastest Absorption - Calm Mood Sleep Muscle Cramps & Spasms Natural Laxative Vegan Glass Bottle (96 Servings)**Triquetra Health**$23.68**1,103 rev6y ago](https://www.amazon.com/dp/B086N1YQ67)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**SlowMag Muscle & Heart Magnesium Chloride Supplement with Calcium 120 Count Supports Muscle Relaxation Heart Nerve & Bone Health High Absorption**Slow-Mag**$16.73**4.7★**▲ 70%**](https://www.amazon.com/dp/B07CJX4M8K) [**Micro Ingredients Magnesium Flakes 6lbs | Great Alternative to Epsom Salt for Foot & Body Bath Soaks | High Absorption | Natural Magnesium Chloride Minerals | Relaxation & Skin Hydration Support**Micro Ingredients**$24.82**4.8★**▲ 67%**](https://www.amazon.com/dp/B0C9PGM325) [**NutriCology Magnesium Chloride Liquid - Highly Absorbable Liquid Magnesium Supplement - Electrolyte & Nervous System Support - 94 Servings - 8 fl oz**Allergy Research Group**$19.95**4.5★**▲ 50%**](https://www.amazon.com/dp/B00015545K) [**10oz Food Grade Magnesium Chloride Powder - 100% Pure Magnesium Chloride**Holamdo**$9.06**4.3★**▲ 48%**](https://www.amazon.com/dp/B0DZBZLCNK) [**Cloruro de Magnesio 100% Pure Magnesium Chloride Food Grade Powder | Highly Absorbable Edible Magnesium Supplement | for Daily Use or Magnesium Oil Preparation | Unflavored | 300 g / 10.58 oz**MS Finechem**$9.84**4.5★**▲ 48%**](https://www.amazon.com/dp/B0D2KD3LHQ)
**~~View all trending →~~**
## **What reviews say buyers love and hate about magnesium chloride**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**25%
*“This powder is great quality”*
**Magnesium**8%
*“Good magnesium supplement”*
**Value For Money**7%
*“price was reasonable”*
**Muscle Pain Relief**6%
*“helps with muscle soreness”*
**Sleep Quality**6%
*“I sleep good”*
**Efficiency**5%
*“Very effective”*
**Advertised Vs Actual Product**4%
*“As advertised”*
**Soft Feel**4%
*“Leaves skin soft”*
**Salt Content**3%
*“Love this salt”*
**Ease Of Use**2%
*“Ease of use”*
### **What buyers complain about **
**Value For Money**16%
*“but costly”*
**Magnesium**6%
*“it may be uncomfortable to the skin if your real low in magnesium”*
**Size-Overall**6%
*“The bag to me is smaller”*
**Ease Of Chewing/Swallowing**5%
*“break down as you are trying to swallow them with water”*
**Allergies**4%
*“It really burned my skin”*
**Quality-Overall**3%
*“the quality is not great”*
**Pain Relief-Overall**3%
*“The calf still hurts”*
**Advertised Vs Actual Product**3%
*“Misleading”*
**Taste-Overall**3%
*“(1/2 teaspoon in water: doesn't taste great”*
**Smell**3%
*“'scent't as expected”*
### **Top return reasons **
**Size-Overall**32%
**Advertised Vs Actual Product**20%
**Value For Money**10%
**Leak-Proof**10%
**Functionality-Overall**7%
**Smell**4%
**Moist/Dry**3%
**Compatibility-Overall**2%
**Gap/Hole**2%
**Adhesion/Stickiness**2%
## **Common magnesium chloride questions**
- **Is magnesium chloride profitable to sell on Amazon United States?**
- The niche generates $346K/yr across 21 tracked products. 90-day search growth is -11.8%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the magnesium chloride niche?**
- 18 brands and 545 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 69% of demand.
- **What do buyers complain about in magnesium chloride?**
- Top complaints mined from reviews: Value For Money, Magnesium, Size-Overall. The return rate is 0.1%.
- **When does demand for magnesium chloride peak?**
- Demand peaks in Jan; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the magnesium chloride niche?**
- Listings span $8.12–$28.33; the average listing price is $16.77 (sweet spot $15–$100). The average incumbent carries 4,513 reviews — the moat a new listing must climb.
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