---
title: "Magnesium Glycinate with Vitamin D — Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/magnesium-glycinate-with-vitamin-d"
last_updated: "2026-08-12T16:28:55.082Z"
locale: en
meta:
description: "Amazon product research for magnesium glycinate with vitamin d: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for magnesium glycinate with vitamin d: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Magnesium Glycinate with Vitamin D — Amazon US Product Research"
---
# **Magnesium Glycinate with Vitamin D**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 78Growth 27Conversion 96Competition 0Returns 100Price range 95Avg price 95Brand share 0Review moat 28Quality gap 23
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****13.7%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$28.59**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$19.97–$35.89**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Great****$1.0M**
$1.0M/yr · 257K searches
**Review moat**
**Okay****3,671.67**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+1.2%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**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 with vitamin d profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, magnesium glycinate with vitamin d is a $1.0M/yr Amazon United States market (257K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Feb–Mar. Verdict: Skip it — 48/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **magnesium glycinate with vitamin d market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **30K–40K**
- avg 12,500–15,000/product
- **Revenue / yr**
- **$858K–$1.1M**
- units × avg price
- **Conversion rate**
- **13.7%**
- **Avg BSR**
- **#87**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **51 months**
- **Avg seller age**
- **155 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**1 **—flat
**Sellers**
**2**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Dr. Berg Nutritionals100%
## **magnesium glycinate with vitamin d demand & seasonality**
Weekly Amazon search volume, last 78 weeks — +1.2% search growth over the last 90 days.
25K15K seasonFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul
Peak months: Feb, Mar · busiest ÷ quietest = 2.7×
[**Open Trend **](https://flapen.com/research/us/health-household/magnesium-glycinate-with-vitamin-d/trend)
## **Top magnesium glycinate with vitamin d search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **dr berg magnesium glycinate**141K/yr+0.0%16.6% conv. - **dr berg magnesium**30K/yr-2.1%11.7% conv. - **magnesium glycinate dr berg**20K/yr-0.7%13.1% conv. - **dr. berg magnesium glycinate**17K/yr+14.4%15.8% conv. - **magnesium glycinate with vitamin d**10K/yr+7.9%0.1% conv. - **magnesium dr berg**10K/yr+2.9%10.8% conv. - **magnesium glycinate and vitamin d**7K/yr+28.6%0.0% conv. - **dr bergs magnesium glycinate**6K/yr+21.5%15.6% conv. - **magnesium glycinate vitamin d**5K/yr-13.6%0.5% conv. - **dr. berg magnesium**3K/yr-2.5%12.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/magnesium-glycinate-with-vitamin-d/search-terms)
## **Top magnesium glycinate with vitamin d 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%$202K40%$404K60%$606K80%$808K1K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 3 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Dr. Berg Magnesium Glycinate 150ct 4-in-1 Chelated for Muscle Nerve Sleep & Stress Support* w/ D3 B6 & Zinc 4X Lab-Tested No Fillers Formulated in USA GMP-Certified**Dr. Berg Nutritionals**$29.91**4.7★4,992 rev](https://www.amazon.com/dp/B0DL6JVD1Z) [2**Dr. Berg Magnesium Glycinate 90ct 4-in-1 Chelated for Muscle Nerve Sleep & Stress Support* w/ D3 B6 & Zinc 4X Lab-Tested No Fillers Formulated in USA GMP-Certified**Dr. Berg Nutritionals**$19.97**4.7★4,992 rev](https://www.amazon.com/dp/B0DQYPK6PY) [3**Dr. Berg Magnesium Glycinate Powder for Sleep Relaxation & Stress Relief - Now Includes Vitamin D3 & Zinc - Delicious Raspberry & Lemon Flavor (50 Servings) Magnesium Powder - Magnesium Drink Powder**Dr. Berg Nutritionals**$35.89**4.5★1,031 rev](https://www.amazon.com/dp/B0DQYQR1KX)
### **Newest**
by launch date
[**Dr. Berg Magnesium Glycinate 90ct 4-in-1 Chelated for Muscle Nerve Sleep & Stress Support* w/ D3 B6 & Zinc 4X Lab-Tested No Fillers Formulated in USA GMP-Certified**Dr. Berg Nutritionals**$19.97**4,992 rev1y ago](https://www.amazon.com/dp/B0DQYPK6PY) [**Dr. Berg Magnesium Glycinate Powder for Sleep Relaxation & Stress Relief - Now Includes Vitamin D3 & Zinc - Delicious Raspberry & Lemon Flavor (50 Servings) Magnesium Powder - Magnesium Drink Powder**Dr. Berg Nutritionals**$35.89**1,031 rev1y ago](https://www.amazon.com/dp/B0DQYQR1KX) [**Dr. Berg Magnesium Glycinate 150ct 4-in-1 Chelated for Muscle Nerve Sleep & Stress Support* w/ D3 B6 & Zinc 4X Lab-Tested No Fillers Formulated in USA GMP-Certified**Dr. Berg Nutritionals**$29.91**4,992 rev1y ago](https://www.amazon.com/dp/B0DL6JVD1Z)
### **Trending**
90-day click momentum
[**Dr. Berg Magnesium Glycinate 90ct 4-in-1 Chelated for Muscle Nerve Sleep & Stress Support* w/ D3 B6 & Zinc 4X Lab-Tested No Fillers Formulated in USA GMP-Certified**Dr. Berg Nutritionals**$19.97**4.7★**— 8%**](https://www.amazon.com/dp/B0DQYPK6PY) [**Dr. Berg Magnesium Glycinate 150ct 4-in-1 Chelated for Muscle Nerve Sleep & Stress Support* w/ D3 B6 & Zinc 4X Lab-Tested No Fillers Formulated in USA GMP-Certified**Dr. Berg Nutritionals**$29.91**4.7★**— 0%**](https://www.amazon.com/dp/B0DL6JVD1Z) [**Dr. Berg Magnesium Glycinate Powder for Sleep Relaxation & Stress Relief - Now Includes Vitamin D3 & Zinc - Delicious Raspberry & Lemon Flavor (50 Servings) Magnesium Powder - Magnesium Drink Powder**Dr. Berg Nutritionals**$35.89**4.5★**▼ 17%**](https://www.amazon.com/dp/B0DQYQR1KX)
## **What reviews say buyers love and hate about magnesium glycinate with vitamin d**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Sleep Quality**23%
*“Great night sleep”*
**Quality-Overall**21%
*“Great quality and exactly as described”*
**Magnesium**12%
*“Best magnesium ever”*
**Vitamin**6%
*“Best Vitamins”*
**Muscle Pain Relief**4%
*“It helps my muscle soreness”*
**Efficiency**4%
*“it works pretty fast”*
**Taste-Overall**2%
*“has a refreshing raspberry lemon flavor”*
**Advertised Vs Actual Product**2%
*“This product is as advertised”*
**Soothing Effect**2%
*“it will relax you”*
**Ingredients-Overall**2%
*“Clean ingredients”*
### **What buyers complain about **
**Sleep Quality**18%
*“Did not help for sleeping which is the reason I bought it”*
**Magnesium**12%
*“Pretty much all of us have low magnesium”*
**Functionality-Overall**6%
*“Didn't work”*
**Dosage**5%
*“The B6 is too high of a dosage for me, some people can tolerate B6, I cannot,”*
**Acid Regulator/Stomach Ache Relief**5%
*“It never made me feel any different except extreme stomach bloating”*
**Side Effects**5%
*“For me they hurt my stomach so I quit taking them”*
**Value For Money**3%
*“Too expensive”*
**Heart Health**3%
*“my heart rate so high I thought I was dying”*
**Muscle Pain Relief**3%
*“It made my leg muscles ache”*
**Taste-Overall**2%
*“I wish there was a manufacturer that made it without the added taste”*
### **Top return reasons **
**Sleep Quality**25%
**Ingredients-Overall**25%
**Functionality-Overall**13%
**Magnesium**13%
**Regulates Digestion**13%
**Strength**6%
**Advertised Vs Actual Product**6%
## **Common magnesium glycinate with vitamin d questions**
- **Is magnesium glycinate with vitamin d profitable to sell on Amazon United States?**
- The niche generates $1.0M/yr across 3 tracked products. 90-day search growth is +1.2%. Flapen's verdict: Skip it (48/100).
- **How competitive is the magnesium glycinate with vitamin d niche?**
- 1 brands and 2 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 with vitamin d?**
- Top complaints mined from reviews: Sleep Quality, Magnesium, Functionality-Overall. The return rate is 0.0%.
- **When does demand for magnesium glycinate with vitamin d peak?**
- Demand peaks in Feb–Mar; the busiest month runs 2.7× the quietest.
- **What does it cost to enter the magnesium glycinate with vitamin d niche?**
- Listings span $19.97–$35.89; the average listing price is $28.59 (sweet spot $15–$100). The average incumbent carries 3,672 reviews — the moat a new listing must climb.
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