---
title: "Thorne Magnesium Citrate — $6.2M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/thorne-magnesium-citrate"
last_updated: "2026-08-06T20:36:42.733Z"
locale: en
meta:
description: "Niche score 53/100 · $6.2M/yr market · 1.2M 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 53/100 · $6.2M/yr market · 1.2M searches/yr. A concentrated shelf (top 5 take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Thorne Magnesium Citrate — $6.2M/yr Amazon US Niche (2026) - Flapen"
---
# **thorne magnesium citrate**
**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 99Growth 39Conversion 98Competition 0Returns 100Price range 95Avg price 95Brand share 0Review moat 19Quality gap 23
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Market size**
**Incredible****$6.2M**
$6.2M/yr · 1.2M searches
**Conversion**
**Incredible****16.4%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$30.93**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$21.39–$50.86**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Okay****+11.4%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****15,236.25**
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, thorne magnesium citrate is a $6.2M/yr Amazon United States market (1.2M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 53/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **thorne magnesium citrate market data**
- **Units sold / yr**
- **200K–250K**
- avg 50,000–60,000/product
- **Revenue / yr**
- **$6.2M–$7.7M**
- units × avg price
- **Conversion rate**
- **16.4%**
- **Avg BSR**
- **#32**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **54 months**
- **Avg seller age**
- **152 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**2 **▼falling
**Sellers**
**9**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- THORNE96% - Pure Encapsulations4% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 99 weeks — +11.4% search growth over the last 90 days.
35K25KSpike '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: May, Jun, Jul · busiest ÷ quietest = 3.6×
[**Open Trend **](https://flapen.com/research/us/health-household/thorne-magnesium-citrate/trend)
## **Top thorne magnesium citrate search terms**
- **thorne magnesium glycinate**565K/yr+10.0%19.6% conv. - **thorne magnesium bisglycinate**175K/yr+35.9%12.5% conv. - **thorne magnesium**131K/yr-4.6%13.5% conv. - **magnesium glycinate thorne**81K/yr+3.6%17.2% conv. - **throne magnesium glycinate**28K/yr+23.8%15.7% conv. - **magnesium thorne**31K/yr+5.0%16.1% conv. - **thorne magnesium citrate**20K/yr+57.7%9.4% conv. - **nordic naturals magnesium glycinate**25K/yr-23.4%1.0% conv. - **thorne magnesium bisglycinate powder**20K/yr+13.4%9.6% conv. - **thorne magnesium citramate**22K/yr-10.5%25.9% conv. [**All search terms **](https://flapen.com/research/us/health-household/thorne-magnesium-citrate/search-terms)
## **Top thorne magnesium citrate 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%20%$1.2M40%$2.5M60%$3.7M80%$5.0M1K10K100K 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**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**4.7★2,847 rev](https://www.amazon.com/dp/B0F5XYHRPV) [2**THORNE - Magnesium Bisglycinate - Powdered Magnesium Formula - Supports Restful Sleep Muscle Relaxation Heart Health & Metabolism* - NSF Certified for Sport - Gluten Dairy & Soy-Free - 60 Servings**THORNE**$50.86**4.4★2,572 rev](https://www.amazon.com/dp/B0797HBLL3) [3**THORNE - Magnesium CitraMate - Magnesium Citrate & Malate Supplement - Supports Heart Health Skeletal Muscles Cardiac & Lung Function Bone Density & More* - Third-Party Certified - 90 Servings**THORNE**$21.39**4.7★5,557 rev](https://www.amazon.com/dp/B0797SJ88Y) [4**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)
### **Newest**
by launch date
[**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) [**THORNE - Magnesium Bisglycinate - Powdered Magnesium Formula - Supports Restful Sleep Muscle Relaxation Heart Health & Metabolism* - NSF Certified for Sport - Gluten Dairy & Soy-Free - 60 Servings**THORNE**$50.86**2,572 rev9y ago](https://www.amazon.com/dp/B0797HBLL3) [**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) [**THORNE - Magnesium CitraMate - Magnesium Citrate & Malate Supplement - Supports Heart Health Skeletal Muscles Cardiac & Lung Function Bone Density & More* - Third-Party Certified - 90 Servings**THORNE**$21.39**5,557 rev21y ago](https://www.amazon.com/dp/B0797SJ88Y)
### **Trending**
90-day click momentum
[**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**4.7★**— 4%**](https://www.amazon.com/dp/B0F5XYHRPV) [**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★**— 6%**](https://www.amazon.com/dp/B07P5K7DQP) [**THORNE - Magnesium Bisglycinate - Powdered Magnesium Formula - Supports Restful Sleep Muscle Relaxation Heart Health & Metabolism* - NSF Certified for Sport - Gluten Dairy & Soy-Free - 60 Servings**THORNE**$50.86**4.4★**— 6%**](https://www.amazon.com/dp/B0797HBLL3) [**THORNE - Magnesium CitraMate - Magnesium Citrate & Malate Supplement - Supports Heart Health Skeletal Muscles Cardiac & Lung Function Bone Density & More* - Third-Party Certified - 90 Servings**THORNE**$21.39**4.7★**▼ 23%**](https://www.amazon.com/dp/B0797SJ88Y)
## **What buyers say about thorne magnesium citrate**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Sleep Quality**25%
*“Helps me sleep”*
**Quality-Overall**20%
*“This was just as effective as other quality brands”*
**Magnesium**13%
*“Best magnesium supplement Ive had yet”*
**Vitamin**4%
*“Favorite vitamin”*
**Advertised Vs Actual Product**3%
*“As advertised”*
**Stress/Anxiety**3%
*“less stress”*
**Muscle Pain Relief**2%
*“relieve muscle spasms”*
**Value For Money**2%
*“price was fair”*
**Efficiency**2%
*“The first bottle worked well”*
**Regulates Digestion**2%
*“Better bowel movement”*
### **What buyers complain about **
**Sleep Quality**15%
*“I was having trouble sleeping”*
**Magnesium**6%
*“Other brands of magnesium were not as effective”*
**Side Effects**6%
*“intolerant side effect”*
**Quality-Overall**5%
*“Poor quality control”*
**Size-Overall**5%
*“Too Big”*
**Functionality-Overall**4%
*“in my case it just didnt stand out as particularly effective”*
**Acid Regulator/Stomach Ache Relief**4%
*“Upset my stomach so not for me”*
**Value For Money**4%
*“Overpriced”*
**Dosage**4%
*“A little low on mg”*
**Taste-Overall**4%
*“tastes like vomit”*
### **Top return reasons **
**Functionality-Overall**18%
**Magnesium**17%
**Dosage**10%
**Acid Regulator/Stomach Ache Relief**9%
**Sleep Quality**9%
**Value For Money**7%
**Size-Overall**6%
**Advertised Vs Actual Product**5%
**Ease Of Chewing/Swallowing**3%
**Side Effects**2%
## **Common questions**
- **Is thorne magnesium citrate profitable to sell on Amazon United States?**
- The niche generates $6.2M/yr across 4 tracked products. 90-day search growth is +11.4%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the thorne magnesium citrate niche?**
- 2 brands and 9 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in thorne magnesium citrate?**
- Top complaints mined from reviews: Sleep Quality, Magnesium, Side Effects. The return rate is 0.0%.
- **When does demand for thorne magnesium citrate peak?**
- Demand peaks in May–Jun–Jul; the busiest month runs 3.6× the quietest.
- **What does it cost to enter the thorne magnesium citrate niche?**
- Listings span $21.39–$50.86; the average listing price is $30.93 (sweet spot $15–$100). The average incumbent carries 15,236 reviews — the moat a new listing must climb.
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