---
title: "Magnesium Gel Capsules — $107K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/magnesium-gel-capsules"
last_updated: "2026-08-12T16:27:40.819Z"
locale: en
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description: "Amazon product research for magnesium gel capsules: $107K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for magnesium gel capsules: $107K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Magnesium Gel Capsules — $107K/mo Amazon US Product Research"
---
# **Magnesium Gel Capsules**
**Worth a look**
Shows low returns (0.0%), but a deep review moat (21,189 avg reviews) keeps it on the watch list.
Market size 82Growth 18Conversion 96Competition 38Returns 100Price range 70Avg price 76Brand share 17Review moat 16Quality gap 25
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****12.9%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Great****$1.3M**
$1.3M/yr · 644K searches
**Avg price**
**Great****$15.36**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$4.10–$40.09**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Okay****62%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-14.4%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****93%**
top-5 brand share — brand-locked demand
**Review moat**
**Bad****21,188.68**
avg incumbent reviews — the moat a new listing must climb
## **Is magnesium gel capsules profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, magnesium gel capsules is a $1.3M/yr Amazon United States market (644K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Jan–Apr. Verdict: Worth a look — 53/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **magnesium gel capsules market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **80K–100K**
- avg 6,000–8,000/product
- **Revenue / yr**
- **$1.2M–$1.5M**
- units × avg price
- **Conversion rate**
- **12.9%**
- **Avg BSR**
- **#220**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **76%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **59 months**
- **Avg seller age**
- **144 days**
## **Competition: brands, sellers & click share**
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**10 **▲rising
**Sellers**
**178**
**Top-5 brand share**
**93%**
Top 20: 100%
**Top-5 click share**
**62%**
Top 20: 93%
**Open market**
**5%**
- Nature Made73% - Nature's Bounty7% - Alliwise5% - Amazon Basics5% - HZZYPLANT2% - Qunol2% - Open — no brand owns it (4 brands, 5%)
## **magnesium gel capsules demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -14.4% search growth over the last 90 days.
13K8KHoliday '24Spike '25Black Friday '25Holiday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Apr · busiest ÷ quietest = 10.0×
[**Open Trend **](https://flapen.com/research/us/health-household/magnesium-gel-capsules/trend)
## **Top magnesium gel capsules search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **magnesium 400 mg**102K/yr-5.0%14.1% conv. - **nature made magnesium**158K/yr-20.4%14.7% conv. - **magnesium nature made**43K/yr-2.1%14.8% conv. - **magnesium glycinate softgels**35K/yr+4.4%2.0% conv. - **magnesium 400mg**93K/yr-62.0%10.0% conv. - **magnesium 400**28K/yr-4.1%8.7% conv. - **magnesium extra strength 400 mg**21K/yr+19.0%13.9% conv. - **magnesium softgels**20K/yr+8.3%5.4% conv. - **400 mg magnesium**16K/yr+30.9%6.9% conv. - **magnesium gel capsules**16K/yr+12.3%6.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/magnesium-gel-capsules/search-terms)
## **Top magnesium gel capsules 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%$128K20%$256K30%$384K40%$512K101001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Nature Made Magnesium Oxide Extra Strength 400 mg 60 Softgels**Nature Made**$10.07**4.7★44,839 rev](https://www.amazon.com/dp/B002RS6PN4) [2**Nature Made Magnesium Oxide Extra Strength 400 mg 110 Softgels**Nature Made**$11.32**4.7★44,839 rev](https://www.amazon.com/dp/B07CDWT8WM) [3**Nature Made Magnesium Oxide 250 mg for Muscle Relaxation 200 Tablets**Nature Made**$6.80**4.7★34,776 rev](https://www.amazon.com/dp/B0002VG3QC) [4**Nature Made Magnesium Glycinate 300 mg per 3 Capsules 90 Capsules**Nature Made**$21.13**4.7★2,683 rev](https://www.amazon.com/dp/B0D9MV3YJQ) [5**Amazon Basics Magnesium Bone & Muscle Health Capsules 400 mg 250 Count**Amazon Basics**$13.70**4.6★98 rev](https://www.amazon.com/dp/B0FG7N1LLK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Nature Made Extra Strength Dosage Magnesium Citrate Tablets 60 Tablets**Nature Made**$13.29**75 rev5mo ago](https://www.amazon.com/dp/B0GN5891HN) [**Nature Made Magnesium + Ashwagandha Capsules 60 Capsules**Nature Made**$11.06**107 rev5mo ago](https://www.amazon.com/dp/B0GN4WDMQ4) [**Amazon Basics Magnesium Bone & Muscle Health Capsules 400 mg 250 Count**Amazon Basics**$13.70**98 rev5mo ago](https://www.amazon.com/dp/B0FG7N1LLK) [**Magnesium Glycinate 500mg Softgels High Absorption Magnesium Supplement Softgel Capsules for Muscle Heart Sleep & Bone Support Stress Relief Nerve Health & Metabolism Non-GMO 2 Month Supply**HZZYPLANT**$9.93**428 rev1y ago](https://www.amazon.com/dp/B0F1SV8RXW) [**Nature Made Magnesium Glycinate 300 mg per 3 Capsules 90 Capsules**Nature Made**$21.13**2,683 rev1y ago](https://www.amazon.com/dp/B0D9MV3YJQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Nature Made Extra Strength Dosage Magnesium Citrate Tablets 60 Tablets**Nature Made**$13.29**4.4★**▲ 317%**](https://www.amazon.com/dp/B0GN5891HN) [**Nature Made Magnesium + Ashwagandha Capsules 60 Capsules**Nature Made**$11.06**4.3★**▲ 316%**](https://www.amazon.com/dp/B0GN4WDMQ4) [**Amazon Basics Magnesium Bone & Muscle Health Capsules 400 mg 250 Count**Amazon Basics**$13.70**4.6★**▲ 212%**](https://www.amazon.com/dp/B0FG7N1LLK) [**Nature Made Magnesium Oxide Extra Strength 400 mg 60 Softgels**Nature Made**$10.07**4.7★**▲ 89%**](https://www.amazon.com/dp/B002RS6PN4) [**Magnesium Glycinate 500mg Softgels Small Easy Swallow Magnesium Supplement**Alliwise**$23.11**4.5★**▲ 40%**](https://www.amazon.com/dp/B0C9ZFDDKK)
**~~View all trending →~~**
## **What reviews say buyers love and hate about magnesium gel capsules**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Sleep Quality**19%
*“Great for sleeping”*
**Quality-Overall**17%
*“These capsules appear to be of great quality”*
**Magnesium**12%
*“Best magnesium supplement”*
**Value For Money**8%
*“They are affordable”*
**Advertised Vs Actual Product**5%
*“arrived as described”*
**Vitamin**4%
*“Good daily vitamin”*
**Muscle Pain Relief**3%
*“Eases muscle cramping”*
**Ease Of Chewing/Swallowing**3%
*“Easier to swallow”*
**Efficiency**3%
*“Good works as intended”*
**Dosage**2%
*“Perfect dosage per capsule”*
### **What buyers complain about **
**Magnesium**12%
*“Too much magnesium”*
**Sleep Quality**9%
*“I can not sleep properly”*
**Size-Overall**8%
*“Said they were small”*
**Dosage**7%
*“Dosage too high”*
**Side Effects**4%
*“intolerant side effect”*
**Advertised Vs Actual Product**4%
*“FALSE ADVERTISING”*
**Functionality-Overall**3%
*“Not effective”*
**Ease Of Chewing/Swallowing**3%
*“VERY HARD TO SWALLOW”*
**Acid Regulator/Stomach Ache Relief**3%
*“Hard on my stomach”*
**Taste-Overall**3%
*“Weird Taste”*
### **Top return reasons **
**Magnesium**38%
**Dosage**9%
**Size-Overall**9%
**Functionality-Overall**8%
**Value For Money**6%
**Ease Of Chewing/Swallowing**4%
**Acid Regulator/Stomach Ache Relief**3%
**Sleep Quality**3%
**Advertised Vs Actual Product**3%
**Joint Pain**3%
## **Common magnesium gel capsules questions**
- **Is magnesium gel capsules profitable to sell on Amazon United States?**
- The niche generates $1.3M/yr across 25 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -14.4%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the magnesium gel capsules niche?**
- 10 brands and 178 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 93% of demand.
- **What do buyers complain about in magnesium gel capsules?**
- Top complaints mined from reviews: Magnesium, Sleep Quality, Size-Overall. The return rate is 0.0%.
- **When does demand for magnesium gel capsules peak?**
- Demand peaks in Jan–Apr; the busiest month runs 10.0× the quietest.
- **What does it cost to enter the magnesium gel capsules niche?**
- Listings span $4.10–$40.09; the average listing price is $15.36 (sweet spot $15–$100). The average incumbent carries 21,189 reviews — the moat a new listing must climb.
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