---
title: "Pure Encapsulations Magnesium Glycinate — $4.8M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/pure-encapsulations-magnesium-glycinate"
last_updated: "2026-08-10T09:01:20.433Z"
locale: en
meta:
description: "Niche score 52/100 · $4.8M/yr market · 714K searches/yr. A concentrated shelf (top 5 take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $4.8M/yr market · 714K searches/yr. A concentrated shelf (top 5 take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Pure Encapsulations Magnesium Glycinate — $4.8M/yr Amazon US Niche (2026) - Flapen"
---
# **pure encapsulations magnesium glycinate**
**Worth a look**
Shows low returns (0.0%), but a concentrated shelf (top 5 take 100% of clicks) keeps it on the watch list.
Market size 97Growth 40Conversion 97Competition 0Returns 100Price range 95Avg price 94Brand share 0Review moat 5Quality gap 19
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Market size**
**Incredible****$4.8M**
$4.8M/yr · 714K searches
**Conversion**
**Incredible****14.4%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Incredible****$26.10–$83.43**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$47.00**
avg listing price — sweet spot $15–$100
**Growth**
**Okay****+12.0%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****40,924.25**
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
According to Flapen's Amazon United States niche tracking, pure encapsulations magnesium glycinate is a $4.8M/yr Amazon United States market (714K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jul. Verdict: Worth a look — 52/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **pure encapsulations magnesium glycinate market data**
- **Units sold / yr**
- **100K–125K**
- avg 25,000–30,000/product
- **Revenue / yr**
- **$4.7M–$5.9M**
- units × avg price
- **Conversion rate**
- **14.4%**
- **Avg BSR**
- **#28**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **52 months**
- **Avg seller age**
- **159 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**1 **—flat
**Sellers**
**5**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Pure Encapsulations100% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 74 weeks — +12.0% search growth over the last 90 days.
23K18KSpike '25Prime Day '25Holiday '25Spike '26 seasonMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul
Peak months: Jul · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/health-household/pure-encapsulations-magnesium-glycinate/trend)
## **Top pure encapsulations magnesium glycinate search terms**
- **pure encapsulations magnesium glycinate**622K/yr+13.7%14.8% conv. - **magnesium glycinate pure encapsulations**43K/yr-2.0%10.6% conv. - **pure encapsulation magnesium glycinate**17K/yr+10.6%14.5% conv. - **pure encapsulations magnesium (glycinate)**19K/yr+3.3%13.6% conv. - **pure brand magnesium glycinate**4K/yr+5.1%12.7% conv. - **pur magnesium glycinate**4K/yr+4.1%18.1% conv. - **pure encapsulations glycinate**3K/yr-61.5%6.3% conv. [**All search terms **](https://flapen.com/research/us/health-household/pure-encapsulations-magnesium-glycinate/search-terms)
## **Top pure encapsulations magnesium glycinate 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%15%$726K30%$1.5M45%$2.2M60%$2.9M10K100K 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**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**Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief Sleep Heart Health Nerves Muscles and Metabolism* - with Magnesium Glycinate - 180 Capsules**Pure Encapsulations**$45.01**4.7★49,969 rev](https://www.amazon.com/dp/B0058HWV9S) [3**Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief Sleep Heart Health Nerves Muscles and Metabolism* - with Magnesium Glycinate - 360 Capsules**Pure Encapsulations**$83.43**4.7★49,969 rev](https://www.amazon.com/dp/B0017HYB2I) [4**Pure Encapsulations Magnesium (Citrate) - Supplement for Sleep Heart Health Cognitive Health Bone Health Energy Muscles and Metabolism* - with Premium Magnesium - 180 Capsules**Pure Encapsulations**$33.48**4.7★13,790 rev](https://www.amazon.com/dp/B0017CRZIK)
### **Newest**
by launch date
[**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) [**Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief Sleep Heart Health Nerves Muscles and Metabolism* - with Magnesium Glycinate - 360 Capsules**Pure Encapsulations**$83.43**49,969 rev19y ago](https://www.amazon.com/dp/B0017HYB2I) [**Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief Sleep Heart Health Nerves Muscles and Metabolism* - with Magnesium Glycinate - 180 Capsules**Pure Encapsulations**$45.01**49,969 rev20y ago](https://www.amazon.com/dp/B0058HWV9S) [**Pure Encapsulations Magnesium (Citrate) - Supplement for Sleep Heart Health Cognitive Health Bone Health Energy Muscles and Metabolism* - with Premium Magnesium - 180 Capsules**Pure Encapsulations**$33.48**13,790 rev21y ago](https://www.amazon.com/dp/B0017CRZIK)
### **Trending**
90-day click momentum
[**Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief Sleep Heart Health Nerves Muscles and Metabolism* - with Magnesium Glycinate - 360 Capsules**Pure Encapsulations**$83.43**4.7★**▲ 63%**](https://www.amazon.com/dp/B0017HYB2I) [**Pure Encapsulations Magnesium (Citrate) - Supplement for Sleep Heart Health Cognitive Health Bone Health Energy Muscles and Metabolism* - with Premium Magnesium - 180 Capsules**Pure Encapsulations**$33.48**4.7★**▲ 41%**](https://www.amazon.com/dp/B0017CRZIK) [**Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief Sleep Heart Health Nerves Muscles and Metabolism* - with Magnesium Glycinate - 180 Capsules**Pure Encapsulations**$45.01**4.7★**▲ 39%**](https://www.amazon.com/dp/B0058HWV9S) [**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★**▼ 19%**](https://www.amazon.com/dp/B07P5K7DQP)
## **What buyers say about pure encapsulations magnesium glycinate**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**23%
*“Amazing quality”*
**Sleep Quality**21%
*“More deep sleep”*
**Magnesium**15%
*“The best magnesium supplement I have ever taken”*
**Vitamin**4%
*“Perfect supplement”*
**Advertised Vs Actual Product**4%
*“As advertised”*
**Value For Money**3%
*“Great Value”*
**Stress/Anxiety**2%
*“Great for relaxing”*
**Muscle Pain Relief**2%
*“Eases muscle cramping”*
**Efficiency**2%
*“Works perfectly”*
**Regulates Digestion**2%
*“Good for constipation”*
### **What buyers complain about **
**Sleep Quality**15%
*“Did not help with sleep”*
**Magnesium**7%
*“Maybe not pure magnesium glycinate or no quality control”*
**Functionality-Overall**6%
*“Doesnt work as described”*
**Quality-Overall**5%
*“Poor quality control”*
**Acid Regulator/Stomach Ache Relief**5%
*“Bothered my stomach”*
**Side Effects**5%
*“Bad Side effects”*
**Dosage**5%
*“High dose”*
**Value For Money**4%
*“A little pricey”*
**Size-Overall**4%
*“Large capsules”*
**Stress/Anxiety**2%
*“And my anxiety worsened on this”*
### **Top return reasons **
**Magnesium**25%
**Dosage**14%
**Acid Regulator/Stomach Ache Relief**13%
**Functionality-Overall**11%
**Value For Money**7%
**Pain Relief-Overall**4%
**Size-Overall**4%
**Sleep Quality**4%
**Side Effects**2%
**Ease Of Cleaning**2%
## **Common questions**
- **Is pure encapsulations magnesium glycinate profitable to sell on Amazon United States?**
- The niche generates $4.8M/yr across 4 tracked products. 90-day search growth is +12.0%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the pure encapsulations magnesium glycinate niche?**
- 1 brands and 5 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in pure encapsulations magnesium glycinate?**
- Top complaints mined from reviews: Sleep Quality, Magnesium, Functionality-Overall. The return rate is 0.0%.
- **When does demand for pure encapsulations magnesium glycinate peak?**
- Demand peaks in Jul; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the pure encapsulations magnesium glycinate niche?**
- Listings span $26.10–$83.43; the average listing price is $47.00 (sweet spot $15–$100). The average incumbent carries 40,924 reviews — the moat a new listing must climb.
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