---
title: "Magnesium Glycinate — $7.9M/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/magnesium-glycinate"
last_updated: "2026-08-12T16:27:18.682Z"
locale: en
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description: "Amazon product research for magnesium glycinate: $7.9M/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for magnesium glycinate: $7.9M/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Magnesium Glycinate — $7.9M/mo Amazon US Product Research"
---
# **Magnesium Glycinate**
**Worth a look**
Shows a $94.7M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 100Growth 24Conversion 95Competition 57Returns 100Price range 78Avg price 85Brand share 68Review moat 16Quality gap 21
**Market size**
**Incredible****$94.7M**
$94.7M/yr · 40.6M searches
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****12.2%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$19.10**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$6.80–$45.01**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****64%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****51%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-2.6%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****19,679.42**
avg incumbent reviews — the moat a new listing must climb
## **Is magnesium glycinate profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, magnesium glycinate is a $94.7M/yr Amazon United States market (40.6M searches/yr). The top 5 brands hold 64% of demand. Verdict: Worth a look — 65/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **magnesium glycinate market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **1.0M–1.0M**
- avg 150,000–200,000/product
- **Revenue / yr**
- **$19.1M–$19.1M**
- units × avg price
- **Conversion rate**
- **12.2%**
- **Avg BSR**
- **#22**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **92%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **49 months**
- **Avg seller age**
- **139 days**
## **Competition: brands, sellers & click share**
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**20 **▼falling
**Sellers**
**695**
**Top-5 brand share**
**64%**
Top 20: 100%
**Top-5 click share**
**51%**
Top 20: 93%
**Open market**
**30%**
- Pure Encapsulations24% - Nature's Bounty14% - Nature Made10% - Double Wood Supplements9% - NatureBell7% - Nobi Nutrition6%
## **magnesium glycinate demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -2.6% search growth over the last 90 days.
1.0M600KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/health-household/magnesium-glycinate/trend)
## **Top magnesium glycinate search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **magnesium glycinate**24.0M/yr-1.2%9.5% conv. - **magnesium**8.8M/yr-3.8%6.0% conv. - **magnesium glycinate 500mg**1.6M/yr+6.5%10.1% conv. - **magnesium glycinate 400mg**1.9M/yr+10.8%7.2% conv. - **glicinato de magnesio**638K/yr-5.3%2.7% conv. - **magnesio**616K/yr-0.6%1.4% conv. - **pure magnesium glycinate**474K/yr-2.1%14.6% conv. - **magnesium supplement**844K/yr-51.0%6.0% conv. - **magnesio glycinate**293K/yr-13.0%3.7% conv. - **magnesium for sleep**457K/yr-45.5%4.8% conv. [**All search terms **](https://flapen.com/research/us/health-household/magnesium-glycinate/search-terms)
## **Top magnesium glycinate 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%5%$4.7M10%$9.5M15%$14.2M20%$18.9M1K10K100K1.0M 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**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) [2**Natures Bounty High Absorption Magnesium Glycinate 240 mg for Supporting Muscle Relaxation and Bone Heart & Nerve Health Non-GMO Gluten-Free Vegetarian 120 Count/60 Servings**Nature's Bounty**$15.65**4.7★5,675 rev](https://www.amazon.com/dp/B0DT1JKGPH) [3**Magnesium Glycinate 400mg | 180 Capsules | Sleep Muscle & Heart Support | Vegan Third Party Tested Gluten Free Non-GMO by Double Wood Supplements**Double Wood Supplements**$15.83**4.7★24,182 rev](https://www.amazon.com/dp/B0B6CTYD6S) [4**Naturebell Pure Magnesium Glycinate 500mg 240 Veggie Capsules | 100% Chelated & Purified 3rd Party Tested Vegan Friendly Non-GMO Filler Free**NatureBell**$17.66**4.7★19,678 rev](https://www.amazon.com/dp/B0C88BJYX2) [5**Magnesium Glycinate 500mg | High Absorption | Sleep Muscle Bone Heart Health & Relaxation Support for Women & Men | Chelated Mag Glycinate | Magnesium Supplement | Vegan & Non-GMO | 120 Capsules**Nobi Nutrition**$15.15**4.6★6,787 rev](https://www.amazon.com/dp/B0CWM5K6W6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Magnesium Glycinate 500mg - VIT. B6 & D3 - Sleep Muscle & Heart - 120 Caps**NUTRAHARMONY**$13.23**5,543 rev8mo ago](https://www.amazon.com/dp/B0G2T32Q53) [**VITBOOST Magnesium Glycinate 500mg - Support Sleep 120 Veggie Capsules**VITBOOST**$11.12**1,726 rev1y ago](https://www.amazon.com/dp/B0FBX7G1JB) [**THORNE - Magnesium Glycinate - Supports Restful Sleep Muscle Relaxation Heart Health & Metabolism* - Chelated Magnesium Capsules - Third-Party Certified - Gluten Dairy & Soy-Free - 90 Servings**THORNE**$25.39**2,847 rev1y ago](https://www.amazon.com/dp/B0F5XYHRPV) [**Natures Bounty High Absorption Magnesium Glycinate 240 mg for Supporting Muscle Relaxation and Bone Heart & Nerve Health Non-GMO Gluten-Free Vegetarian 120 Count/60 Servings**Nature's Bounty**$15.65**5,675 rev1y ago](https://www.amazon.com/dp/B0DT1JKGPH) [**Life Extension Magnesium Glycinate Heart Health Bone Health Nerve and Muscle Support Highly absorbable Gluten-Free Non-GMO Vegetarian 90 Capsules**Life Extension**$16.64**2,110 rev1y ago](https://www.amazon.com/dp/B0DMTV24LR)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**VITBOOST Magnesium Glycinate 500mg - Support Sleep 120 Veggie Capsules**VITBOOST**$11.12**4.7★**▲ 109%**](https://www.amazon.com/dp/B0FBX7G1JB) [**Magnesium Glycinate 500mg - VIT. B6 & D3 - Sleep Muscle & Heart - 120 Caps**NUTRAHARMONY**$13.23**4.6★**▲ 87%**](https://www.amazon.com/dp/B0G2T32Q53) [**Nature Made High Absorption Magnesium Glycinate Gummies 40 Count**Nature Made**$12.18**4.6★**▲ 55%**](https://www.amazon.com/dp/B0CBVZ9B2G) [**Magnesium Glycinate 500mg | High Absorption | Sleep Muscle Bone Heart Health & Relaxation Support for Women & Men | Chelated Mag Glycinate | Magnesium Supplement | Vegan & Non-GMO | 120 Capsules**Nobi Nutrition**$15.15**4.6★**▲ 45%**](https://www.amazon.com/dp/B0CWM5K6W6) [**Dr. Berg Magnesium Glycinate 150ct 4-in-1 Chelated for Muscle Nerve Sleep & Stress Support* w/ D3 B6 & Zinc 4X Lab-Tested No Fillers Formulated in USA GMP-Certified**Dr. Berg Nutritionals**$29.91**4.7★**▲ 28%**](https://www.amazon.com/dp/B0DL6JVD1Z)
**~~View all trending →~~**
## **What reviews say buyers love and hate about magnesium glycinate**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Sleep Quality**22%
*“More deep sleep”*
**Quality-Overall**18%
*“Great quality and exactly as described”*
**Magnesium**12%
*“Great magnesium tablets”*
**Value For Money**6%
*“Competitive price”*
**Advertised Vs Actual Product**4%
*“arrived as described”*
**Muscle Pain Relief**4%
*“great for muscle spasms”*
**Vitamin**4%
*“Best Vitamins”*
**Efficiency**3%
*“Works perfectly”*
**Ease Of Chewing/Swallowing**2%
*“Easier to swallow”*
**Joint Pain**2%
*“It helped with knee inflammation”*
### **What buyers complain about **
**Sleep Quality**11%
*“Did not help with sleep”*
**Magnesium**11%
*“I was taking the wrong magnesium”*
**Dosage**8%
*“Dosage too high”*
**Size-Overall**6%
*“Very Large Tablets”*
**Functionality-Overall**4%
*“noticed no results”*
**Ease Of Chewing/Swallowing**4%
*“Hard To Swallow”*
**Side Effects**4%
*“Bad Side effects”*
**Advertised Vs Actual Product**3%
*“False advertisement”*
**Quality-Overall**3%
*“Poor quality control”*
**Acid Regulator/Stomach Ache Relief**3%
*“Stomach pain not good”*
### **Top return reasons **
**Magnesium**21%
**Dosage**14%
**Functionality-Overall**9%
**Value For Money**8%
**Advertised Vs Actual Product**7%
**Acid Regulator/Stomach Ache Relief**5%
**Size-Overall**5%
**Sleep Quality**5%
**Ingredients-Overall**4%
**Ease Of Chewing/Swallowing**3%
## **Common magnesium glycinate questions**
- **Is magnesium glycinate profitable to sell on Amazon United States?**
- The niche generates $94.7M/yr across 26 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -2.6%. Flapen's verdict: Worth a look (65/100).
- **How competitive is the magnesium glycinate niche?**
- 20 brands and 695 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 64% of demand.
- **What do buyers complain about in magnesium glycinate?**
- Top complaints mined from reviews: Sleep Quality, Magnesium, Dosage. The return rate is 0.0%.
- **When does demand for magnesium glycinate peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the magnesium glycinate niche?**
- Listings span $6.80–$45.01; the average listing price is $19.10 (sweet spot $15–$100). The average incumbent carries 19,679 reviews — the moat a new listing must climb.
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