---
title: "Magnesium Glycinate 350 Mg — Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/magnesium-glycinate-350-mg"
last_updated: "2026-08-12T18:26:18.592Z"
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description: "Amazon product research for magnesium glycinate 350 mg: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for magnesium glycinate 350 mg: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Magnesium Glycinate 350 Mg — Amazon US Product Research"
---
# **Magnesium Glycinate 350 Mg**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 77Growth 19Conversion 87Competition 0Returns 100Price range 95Avg price 94Brand share 0Review moat 23Quality gap 22
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Price range**
**Incredible****$17.95–$28.85**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$22.57**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****10.0%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Great****$970K**
$970K/yr · 430K searches
**Review moat**
**Bad****7,322.5**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-12.1%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
## **Is magnesium glycinate 350 mg profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, magnesium glycinate 350 mg is a $970K/yr Amazon United States market (430K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 46/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **magnesium glycinate 350 mg market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **50K–60K**
- avg 6,000–8,000/product
- **Revenue / yr**
- **$1.1M–$1.4M**
- units × avg price
- **Conversion rate**
- **10.0%**
- **Avg BSR**
- **#41**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **61 months**
- **Avg seller age**
- **141 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**2 **▼falling
**Sellers**
**556**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- SOLARAY81% - KAL19%
## **magnesium glycinate 350 mg demand & seasonality**
Weekly Amazon search volume, last 101 weeks — -12.1% search growth over the last 90 days.
10K6KSpike '24Prime Day '25Spike '25Spike '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/health-household/magnesium-glycinate-350-mg/trend)
## **Top magnesium glycinate 350 mg search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **solaray magnesium glycinate**126K/yr-20.2%13.8% conv. - **solaray**77K/yr-10.5%0.7% conv. - **magnesium glycinate 350 mg**34K/yr+3.8%4.7% conv. - **kal magnesium glycinate**38K/yr-12.9%7.1% conv. - **solaray magnesium glycinate 350 mg**18K/yr+1.8%19.3% conv. - **magnesium glycinate solaray**24K/yr-20.6%14.9% conv. - **solary magnesium glycinate**19K/yr-8.5%11.8% conv. - **magnesium glycinate 350**12K/yr+36.0%5.1% conv. - **magnesium glycinate 350 mg for women**10K/yr+0.6%2.0% conv. - **kal magnesium glycinate 350**10K/yr-11.6%12.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/magnesium-glycinate-350-mg/search-terms)
## **Top magnesium glycinate 350 mg 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%20%$194K40%$388K60%$582K80%$776K1K10K 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**SOLARAY Magnesium Glycinate Capsules Chelated Magnesium Bisglycinate w/BioPerine Higher Absorption Magnesium Supplement - Bones Muscles Heart Support Vegan (30 Servings 120 VegCaps)**SOLARAY**$17.95**4.7★8,039 rev](https://www.amazon.com/dp/B09L57WWMY) [2**SOLARAY Magnesium Glycinate Capsules Chelated Magnesium Bisglycinate w/BioPerine Higher Absorption Magnesium Supplement - Bones Muscles Heart Support Vegan 68 Servings 275 VegCaps**SOLARAY**$28.85**4.7★8,039 rev](https://www.amazon.com/dp/B09KJQCJQ1) [3**KAL Magnesium Glycinate New & Improved Fully Chelated High Absorption Formula with BioPerine Bisglycinate Chelate for Stress Relaxation Muscle & Bone Health Support 60 Servings 240 VegCaps**KAL**$22.89**4.6★6,606 rev](https://www.amazon.com/dp/B09K4H6H96) [4**KAL Magnesium Glycinate Capsules Fully Chelated Magnesium Bisglycinate High Absorption Magnesium Supplement Healthy Bones Muscle Relaxation and Stress Support Non-GMO 160 count**KAL**$20.59**4.6★6,606 rev](https://www.amazon.com/dp/B09L5CCXZV)
### **Newest**
by launch date
[**KAL Magnesium Glycinate New & Improved Fully Chelated High Absorption Formula with BioPerine Bisglycinate Chelate for Stress Relaxation Muscle & Bone Health Support 60 Servings 240 VegCaps**KAL**$22.89**6,606 rev4y ago](https://www.amazon.com/dp/B09K4H6H96) [**SOLARAY Magnesium Glycinate Capsules Chelated Magnesium Bisglycinate w/BioPerine Higher Absorption Magnesium Supplement - Bones Muscles Heart Support Vegan (30 Servings 120 VegCaps)**SOLARAY**$17.95**8,039 rev4y ago](https://www.amazon.com/dp/B09L57WWMY) [**KAL Magnesium Glycinate Capsules Fully Chelated Magnesium Bisglycinate High Absorption Magnesium Supplement Healthy Bones Muscle Relaxation and Stress Support Non-GMO 160 count**KAL**$20.59**6,606 rev4y ago](https://www.amazon.com/dp/B09L5CCXZV) [**SOLARAY Magnesium Glycinate Capsules Chelated Magnesium Bisglycinate w/BioPerine Higher Absorption Magnesium Supplement - Bones Muscles Heart Support Vegan 68 Servings 275 VegCaps**SOLARAY**$28.85**8,039 rev4y ago](https://www.amazon.com/dp/B09KJQCJQ1)
### **Trending**
90-day click momentum
[**SOLARAY Magnesium Glycinate Capsules Chelated Magnesium Bisglycinate w/BioPerine Higher Absorption Magnesium Supplement - Bones Muscles Heart Support Vegan (30 Servings 120 VegCaps)**SOLARAY**$17.95**4.7★**▲ 14%**](https://www.amazon.com/dp/B09L57WWMY) [**KAL Magnesium Glycinate Capsules Fully Chelated Magnesium Bisglycinate High Absorption Magnesium Supplement Healthy Bones Muscle Relaxation and Stress Support Non-GMO 160 count**KAL**$20.59**4.6★**▼ 12%**](https://www.amazon.com/dp/B09L5CCXZV) [**KAL Magnesium Glycinate New & Improved Fully Chelated High Absorption Formula with BioPerine Bisglycinate Chelate for Stress Relaxation Muscle & Bone Health Support 60 Servings 240 VegCaps**KAL**$22.89**4.6★**▼ 15%**](https://www.amazon.com/dp/B09K4H6H96) [**SOLARAY Magnesium Glycinate Capsules Chelated Magnesium Bisglycinate w/BioPerine Higher Absorption Magnesium Supplement - Bones Muscles Heart Support Vegan 68 Servings 275 VegCaps**SOLARAY**$28.85**4.7★**▼ 25%**](https://www.amazon.com/dp/B09KJQCJQ1)
## **What reviews say buyers love and hate about magnesium glycinate 350 mg**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**28%
*“Excellent Quality”*
**Sleep Quality**22%
*“Better sleep”*
**Magnesium**12%
*“High-Quality Magnesium Supplement”*
**Vitamin**5%
*“Effective supplement”*
**Value For Money**4%
*“the price is very reasonable”*
**Muscle Pain Relief**4%
*“Works good for muscle cramps and sleep issues”*
**Soothing Effect**3%
*“They are calming”*
**Acid Regulator/Stomach Ache Relief**2%
*“No upset stomach”*
**Advertised Vs Actual Product**2%
*“As advertised”*
**Stress/Anxiety**2%
*“they have been truly life saving for me in a time in my life that stress was at its all time highest for me”*
### **What buyers complain about **
**Dosage**21%
*“To many capsules for such a low dose”*
**Magnesium**16%
*“Nothing relaxes me more than KAL magnesium glycinate”*
**Functionality-Overall**7%
*“They didnt work at all”*
**Value For Money**5%
*“Too expensive doesn't work well”*
**Taste-Overall**4%
*“Bad Taste”*
**Size-Overall**4%
*“capsules are big”*
**Advertised Vs Actual Product**4%
*“False advertising”*
**Side Effects**3%
*“Woke up with a headache”*
**Sleep Quality**3%
*“It didn't help my sleep at all and”*
**Heart Health**3%
*“the heartburn is beyond terrible”*
### **Top return reasons **
**Advertised Vs Actual Product**50%
**Dosage**50%
## **Common magnesium glycinate 350 mg questions**
- **Is magnesium glycinate 350 mg profitable to sell on Amazon United States?**
- The niche generates $970K/yr across 4 tracked products. 90-day search growth is -12.1%. Flapen's verdict: Skip it (46/100).
- **How competitive is the magnesium glycinate 350 mg niche?**
- 2 brands and 556 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in magnesium glycinate 350 mg?**
- Top complaints mined from reviews: Dosage, Magnesium, Functionality-Overall. The return rate is 0.0%.
- **When does demand for magnesium glycinate 350 mg peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the magnesium glycinate 350 mg niche?**
- Listings span $17.95–$28.85; the average listing price is $22.57 (sweet spot $15–$100). The average incumbent carries 7,323 reviews — the moat a new listing must climb.
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