---
title: "Magnesium Citrate — $987K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/magnesium-citrate"
last_updated: "2026-08-12T18:23:17.244Z"
locale: en
meta:
description: "Amazon product research for magnesium citrate: $987K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for magnesium citrate: $987K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Magnesium Citrate — $987K/mo Amazon US Product Research"
---
# **Magnesium Citrate**
**Worth a look**
Shows a $11.8M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 100Growth 22Conversion 88Competition 60Returns 100Price range 73Avg price 82Brand share 67Review moat 21Quality gap 23
**Market size**
**Incredible****$11.8M**
$11.8M/yr · 6.4M searches
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****10.3%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$17.86**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$6.30–$38.21**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****65%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****49%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-5.8%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****10,892.97**
avg incumbent reviews — the moat a new listing must climb
## **Is magnesium citrate profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, magnesium citrate is a $11.8M/yr Amazon United States market (6.4M searches/yr). The top 5 brands hold 65% of demand. Verdict: Worth a look — 64/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **magnesium citrate market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **600K–800K**
- avg 15,000–20,000/product
- **Revenue / yr**
- **$10.7M–$14.3M**
- units × avg price
- **Conversion rate**
- **10.3%**
- **Avg BSR**
- **#208**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **79%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **58 months**
- **Avg seller age**
- **146 days**
## **Competition: brands, sellers & click share**
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**22 **▲rising
**Sellers**
**137**
**Top-5 brand share**
**65%**
Top 20: 99%
**Top-5 click share**
**49%**
Top 20: 87%
**Open market**
**31%**
- Nature Made20% - NOW Foods18% - Pure Encapsulations15% - Nobi Nutrition7% - Vitamatic4% - Nutricost4%
## **magnesium citrate demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -5.8% search growth over the last 90 days.
175K125KSpike '25Prime Day '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/health-household/magnesium-citrate/trend)
## **Top magnesium citrate search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **magnesium citrate**4.3M/yr-2.5%9.5% conv. - **citrato de magnesio**1.2M/yr-17.3%2.9% conv. - **magnesium citrate capsules**305K/yr-22.0%10.7% conv. - **magnesio citrato**83K/yr-17.3%3.1% conv. - **magnesium citrate 500mg**66K/yr+14.6%6.9% conv. - **citrato de magnesio para mujeres**45K/yr-10.8%1.9% conv. - **now magnesium citrate**70K/yr-11.1%12.6% conv. - **mag citrate**42K/yr+13.2%8.7% conv. - **pure magnesium citrate**45K/yr+12.7%16.7% conv. - **nature made magnesium citrate**42K/yr+9.0%12.3% conv. [**All search terms **](https://flapen.com/research/us/health-household/magnesium-citrate/search-terms)
## **Top magnesium citrate 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%4%$474K8%$948K12%$1.4M16%$1.9M101001K10K100K 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**NOW Supplements Magnesium Citrate Enzyme Function* Nervous System Support* 120 Veg Capsules**NOW Foods**$9.97**4.7★25,502 rev](https://www.amazon.com/dp/B0014M1VII) [2**Nature Made Magnesium Citrate 250 mg per Serving 120 Softgels**Nature Made**$14.91**4.6★24,924 rev](https://www.amazon.com/dp/B00CU3SX4K) [3**Pure Encapsulations Magnesium (Citrate) - Supplement for Sleep Heart Health Cognitive Health Bone Health Energy Muscles and Metabolism* - with Premium Magnesium - 90 Capsules**Pure Encapsulations**$19.70**4.7★13,790 rev](https://www.amazon.com/dp/B0058HWV70) [4**Magnesium Citrate Complex 500 MG for Constipation Digestion Calm & Relaxation Support | High Absorption Magnesium Supplement | Citrato de Magnesio | Non-GMO Soy-Free | 60 Mag Citrate Capsules**Nobi Nutrition**$19.54**4.6★23,657 rev](https://www.amazon.com/dp/B07BSP6GDT) [5**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)
**~~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) [**A+Health Magnesium Citrate Oral Solution Saline Laxative Lemon 10 Fl Oz**A+Health**$6.30**460 rev1y ago](https://www.amazon.com/dp/B0929CYQHB) [**MedRite Magnesium Citrate Oral Solution Natural Lemon Flavor - Laxatives for Constipation Fast Acting. Laxatives for Constipation Stool Softeners Citrato de Magnesio (1)**MedRite**$8.32**1,013 rev1y ago](https://www.amazon.com/dp/B0DY8C5WYS) [**Pure Magnesium Citrate Supplements 500mg 300 Capsules | Fat-Soluble Vitamin C Added | 100% Chelated | Only Active Ingredients**Micro Ingredients**$15.64**672 rev1y ago](https://www.amazon.com/dp/B0DLLJ7HTQ) [**Vitamatic Magnesium Citrate 500mg per Serving - 180 Vegetarian Capsules (Provides 150 mg of Elemental Magnesium) - Added B6 for Maximum Absorption - Supports Muscle Joint and Heart Health***Vitamatic**$9.87**1,957 rev2y ago](https://www.amazon.com/dp/B0CPWXPY6X)
**~~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★**▲ 294%**](https://www.amazon.com/dp/B0GN5891HN) [**A+Health Magnesium Citrate Oral Solution Saline Laxative Lemon 10 Fl Oz**A+Health**$6.30**4.6★**▲ 148%**](https://www.amazon.com/dp/B0929CYQHB) [**NOW Supplements Magnesium Citrate Enzyme Function* Nervous System Support* 120 Veg Capsules**NOW Foods**$9.97**4.7★**▲ 54%**](https://www.amazon.com/dp/B0014M1VII) [**Pure Encapsulations Magnesium (Citrate) - Supplement for Sleep Heart Health Cognitive Health Bone Health Energy Muscles and Metabolism* - with Premium Magnesium - 90 Capsules**Pure Encapsulations**$19.70**4.7★**▲ 24%**](https://www.amazon.com/dp/B0058HWV70) [**SOLARAY Magnesium Citrate 400mg - Magnesium Supplement - Bone Health Muscle Relaxation and Heart Health Support - Vegan Gluten Free - 60 Servings 180 VegCaps**SOLARAY**$18.98**4.7★**▲ 19%**](https://www.amazon.com/dp/B07988Q85C)
**~~View all trending →~~**
## **What reviews say buyers love and hate about magnesium citrate**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**16%
*“Great and consistent quality”*
**Magnesium**12%
*“Best magnesium Supplement on the Market”*
**Sleep Quality**8%
*“Helps me sleep”*
**Efficiency**7%
*“Effective”*
**Taste-Overall**6%
*“has a smooth taste”*
**Advertised Vs Actual Product**6%
*“exactly as advertised”*
**Value For Money**5%
*“Good Price”*
**Regulates Digestion**4%
*“Does not upset my stomach or anything”*
**Vitamin**4%
*“Quality vitamins”*
**Muscle Pain Relief**3%
*“helps with muscle pain”*
### **What buyers complain about **
**Magnesium**10%
*“Not their best magnesium gummy”*
**Size-Overall**9%
*“The bottle was small”*
**Taste-Overall**8%
*“unpleasant aftertaste”*
**Functionality-Overall**5%
*“Not effective”*
**Dosage**4%
*“Misleading Dosage”*
**Quality-Overall**4%
*“Poor quality control”*
**Sleep Quality**3%
*“have difficulty getting to sleep”*
**Acid Regulator/Stomach Ache Relief**3%
*“Stomach ache”*
**Regulates Digestion**3%
*“having trouble with constipation”*
**Ease Of Chewing/Swallowing**3%
*“Too big for me to swallow”*
### **Top return reasons **
**Magnesium**44%
**Functionality-Overall**16%
**Advertised Vs Actual Product**8%
**Ease Of Chewing/Swallowing**5%
**Dosage**5%
**Size-Overall**5%
**Taste-Overall**4%
**Value For Money**2%
**Product Condition**2%
**Ease Of Use**2%
## **Common magnesium citrate questions**
- **Is magnesium citrate profitable to sell on Amazon United States?**
- The niche generates $11.8M/yr across 33 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -5.8%. Flapen's verdict: Worth a look (64/100).
- **How competitive is the magnesium citrate niche?**
- 22 brands and 137 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 65% of demand.
- **What do buyers complain about in magnesium citrate?**
- Top complaints mined from reviews: Magnesium, Size-Overall, Taste-Overall. The return rate is 0.0%.
- **When does demand for magnesium citrate peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the magnesium citrate niche?**
- Listings span $6.30–$38.21; the average listing price is $17.86 (sweet spot $15–$100). The average incumbent carries 10,893 reviews — the moat a new listing must climb.
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