---
title: "Magnesium Threonate Powder — Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/magnesium-threonate-powder"
last_updated: "2026-08-12T16:27:32.562Z"
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description: "Amazon product research for magnesium threonate powder: $9K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for magnesium threonate powder: $9K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Magnesium Threonate Powder — Amazon US Product Research"
---
# **Magnesium Threonate Powder**
**Skip it**
Soft demand (-4.2% this quarter) — this niche doesn't clear our bar today.
Market size 26Growth 23Conversion 49Competition 35Returns 100Price range 95Avg price 95Brand share 61Review moat 32Quality gap 43
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$34.16**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$18.92–$65.52**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****68%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Okay****3.9%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****64%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****3,329.81**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$105K**
$105K/yr · 79K searches
**Growth**
**Bad****-4.2%**
90-day search growth — must beat 0% to launch
## **Is magnesium threonate powder profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, magnesium threonate powder is a $105K/yr Amazon United States market (79K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 49/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **magnesium threonate powder market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$102K–$137K**
- units × avg price
- **Conversion rate**
- **3.9%**
- **Avg BSR**
- **#1,031**
- **Page quality**
- **0%**
- **Prime**
- **94%**
- **Sponsored**
- **81%**
- **Out of stock**
- **2.5%**
- **Avg brand age**
- **52 months**
- **Avg seller age**
- **168 days**
## **Competition: brands, sellers & click share**
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▼falling
**Sellers**
**43**
**Top-5 brand share**
**68%**
Top 20: 100%
**Top-5 click share**
**64%**
Top 20: 100%
**Open market**
**24%**
- Life Extension26% - BulkSupplements12% - HealthyFinds11% - NOW Foods10% - TERRA ELMNT9% - Micro Ingredients7%
## **magnesium threonate powder demand & seasonality**
Weekly Amazon search volume, last 103 weeks — -4.2% search growth over the last 90 days.
4K3KSpike '24Prime Day '25Spike '25Black Friday '25 seasonDecMarJunAugNovMarMay
Peak months: Sep, Oct · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/health-household/magnesium-threonate-powder/trend)
## **Top magnesium threonate powder search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **magnesium l-threonate powder**37K/yr+0.3%3.2% conv. - **magnesium threonate powder**28K/yr-3.7%3.1% conv. - **magnesium l threonate powder**8K/yr-21.6%4.3% conv. - **magtein powder**6K/yr-9.1%5.3% conv. [**All search terms **](https://flapen.com/research/us/health-household/magnesium-threonate-powder/search-terms)
## **Top magnesium threonate powder 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%$10K20%$21K30%$31K40%$42K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Life Extension Neuro-Mag Magnesium L-Threonate Powder (Tropical Punch) - Ultra-Absorbable Magnesium - Supports Memory Focus Cognitive Function & Mood - Gluten free Non-GMO Vegetarian (30 Servings)**Life Extension**$29.29**4.1★1,743 rev](https://www.amazon.com/dp/B076B6JTMW) [2**BulkSupplements.com L-Threonine Powder -Threonine Supplement Amino Acid Supplement - Essential Amino Acid Gluten Free 500mg per Serving 500g (1.1 lbs) (Pack of 1)**BulkSupplements**$18.92**4.6★528 rev](https://www.amazon.com/dp/B00GI2SZGA) [3**Magnesium L-Threonate Powder Sleep Memory and Cognitive Support Promotes Brain Health - High Absorption - Most Bioavailable Form of Magnesium - 100 Grams Pure Purity Above 99% Include 1g Scoop**HealthyFinds**$29.54**4.5★13 rev](https://www.amazon.com/dp/B0FDLF8157) [4**Now Supplements Magtein with Patented Form of Magnesium Powder 3.2 oz**NOW Foods**$34.02**4.6★32 rev](https://www.amazon.com/dp/B0GMKDWLFV) [5**Micro Ingredients Mag Duo Magtein Magnesium L-Threonate & Magnesium Glycinate Powder Restful Sleep Calm & Focus Support* 2-in-1 Advanced Magnesium Formula Sugar-Free Lemonade Flavor**Micro Ingredients**$28.04**4.3★54 rev](https://www.amazon.com/dp/B0GHCR3PKT)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Now Supplements Magtein with Patented Form of Magnesium Powder 3.2 oz**NOW Foods**$34.02**32 rev5mo ago](https://www.amazon.com/dp/B0GMKDWLFV) [**Micro Ingredients Mag Duo Magtein Magnesium L-Threonate & Magnesium Glycinate Powder Restful Sleep Calm & Focus Support* 2-in-1 Advanced Magnesium Formula Sugar-Free Lemonade Flavor**Micro Ingredients**$28.04**54 rev5mo ago](https://www.amazon.com/dp/B0GHCR3PKT) [**Magnesium L-Threonate Powder Sleep Memory and Cognitive Support Promotes Brain Health - High Absorption - Most Bioavailable Form of Magnesium - 100 Grams Pure Purity Above 99% Include 1g Scoop**HealthyFinds**$29.54**13 rev1y ago](https://www.amazon.com/dp/B0FDLF8157) [**Triple Sleep Magnesium L-Threonate Powder w. Apigenin L-Theanine + Melatonin - Magtein Magnesium L Threonate Supplement - High Strength Magnesium for Deep Sleep & Calm Natural Sleep Aid for Adults**TERRA ELMNT**$29.46**350 rev1y ago](https://www.amazon.com/dp/B0DF7T32D5) [**NATURE TARGET Magnesium Powder Supplement with Glycinate Citrate Malate Magnesium Complex with L-Theanine & Vitamin B6 for Muscle Heart & Brain Vegan 10.58 oz (100 Servings) Lemon Orange Flavor**NATURE TARGET**$20.77**468 rev1y ago](https://www.amazon.com/dp/B0DCFSSCZB)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Synchro Rest Sleep Supplement - Magnesium L-Threonate Powder with L-Theanine Glycine Lemon Balm Extract & Apigenin - Melatonin-Free Magnesium Powder for Sleep - Sweet Lemon Flavor - 30 Servings**Synchro**$39.73**4.4★**▲ 255%**](https://www.amazon.com/dp/B0BTTZFTXB) [**Now Supplements Magtein with Patented Form of Magnesium Powder 3.2 oz**NOW Foods**$34.02**4.6★**▲ 224%**](https://www.amazon.com/dp/B0GMKDWLFV) [**Micro Ingredients Mag Duo Magtein Magnesium L-Threonate & Magnesium Glycinate Powder Restful Sleep Calm & Focus Support* 2-in-1 Advanced Magnesium Formula Sugar-Free Lemonade Flavor**Micro Ingredients**$28.04**4.3★**▲ 208%**](https://www.amazon.com/dp/B0GHCR3PKT) [**Magnesium L-Threonate Powder Sleep Memory and Cognitive Support Promotes Brain Health - High Absorption - Most Bioavailable Form of Magnesium - 100 Grams Pure Purity Above 99% Include 1g Scoop**HealthyFinds**$29.54**4.5★**▲ 29%**](https://www.amazon.com/dp/B0FDLF8157) [**500g (1.1LB) Magnesium L-Threonate 98% Bulk Powder**Bright sunlight**$63.90**5.0★**▲ 28%**](https://www.amazon.com/dp/B0CY8Q2T7H)
**~~View all trending →~~**
## **What reviews say buyers love and hate about magnesium threonate powder**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Sleep Quality**24%
*“Deep sleep”*
**Quality-Overall**15%
*“Excellent Product”*
**Magnesium**12%
*“Great magnesium choice”*
**Vitamin**5%
*“Great vitamin”*
**Value For Money**5%
*“Cost effective”*
**Advertised Vs Actual Product**4%
*“As Advertised”*
**Efficiency**4%
*“Works well”*
**Taste-Overall**4%
*“Plus it tastes pretty good”*
**Focus Enhancement**2%
*“Great for focus”*
**Soothing Effect**2%
*“Great to relax”*
### **What buyers complain about **
**Sleep Quality**14%
*“Does NOT make you sleep”*
**Value For Money**7%
*“This is pricey”*
**Dosage**7%
*“Unclear dosage instructions”*
**Side Effects**5%
*“Horrible side effect”*
**Magnesium**5%
*“I don't believe this has the magnesium forms it says it does”*
**Functionality-Overall**4%
*“No benefits to this one”*
**Size-Overall**3%
*“Capsules Are Too Large”*
**Quality-Overall**3%
*“Poor Quality Control”*
**Taste-Overall**3%
*“the taste was chalky”*
**Certifications**2%
*“Not NSF Certified”*
### **Top return reasons **
**Functionality-Overall**26%
**Magnesium**16%
**Value For Money**11%
**Dosage**5%
**Fever Relief**5%
**Vegan/Organic**5%
**Sleep Quality**5%
**Ingredients-Overall**5%
**Heart Health**5%
**Product Condition**5%
## **Common magnesium threonate powder questions**
- **Is magnesium threonate powder profitable to sell on Amazon United States?**
- The niche generates $105K/yr across 16 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -4.2%. Flapen's verdict: Skip it (49/100).
- **How competitive is the magnesium threonate powder niche?**
- 14 brands and 43 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 68% of demand.
- **What do buyers complain about in magnesium threonate powder?**
- Top complaints mined from reviews: Sleep Quality, Value For Money, Dosage. The return rate is 0.0%.
- **When does demand for magnesium threonate powder peak?**
- Demand peaks in Sep–Oct; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the magnesium threonate powder niche?**
- Listings span $18.92–$65.52; the average listing price is $34.16 (sweet spot $15–$100). The average incumbent carries 3,330 reviews — the moat a new listing must climb.
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