Magnesium Glycinate with Vitamin D
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible13.7%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$28.59avg listing price — sweet spot $15–$100
Price range
Incredible$19.97–$35.89cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Great$1.0M$1.0M/yr · 257K searches
Review moat
Okay3,671.67avg incumbent reviews — the moat a new listing must climb
Growth
Okay+1.2%90-day search growth — must beat 0% to launch
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%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
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.Peak months: Feb, Mar · busiest ÷ quietest = 2.7×
Top magnesium glycinate with vitamin d search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- dr berg magnesium glycinate141K/yr
- dr berg magnesium30K/yr
- magnesium glycinate dr berg20K/yr
- dr. berg magnesium glycinate17K/yr
- magnesium glycinate with vitamin d10K/yr
- magnesium dr berg10K/yr
- magnesium glycinate and vitamin d7K/yr
- dr bergs magnesium glycinate6K/yr
- magnesium glycinate vitamin d5K/yr
- dr. berg magnesium3K/yr
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.
All 3 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$29.914.7★4,992 rev
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$19.974.7★4,992 rev
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$35.894.5★1,031 rev
Newest
by launch dateDr. 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$19.974,992 rev
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$35.891,031 rev
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$29.914,992 rev
Trending
90-day click momentumDr. 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$19.974.7★
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$29.914.7★
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$35.894.5★
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
“Great night sleep”
“Great quality and exactly as described”
“Best magnesium ever”
“Best Vitamins”
“It helps my muscle soreness”
“it works pretty fast”
“has a refreshing raspberry lemon flavor”
“This product is as advertised”
“it will relax you”
“Clean ingredients”
What buyers complain about
“Did not help for sleeping which is the reason I bought it”
“Pretty much all of us have low magnesium”
“Didn't work”
“The B6 is too high of a dosage for me, some people can tolerate B6, I cannot,”
“It never made me feel any different except extreme stomach bloating”
“For me they hurt my stomach so I quit taking them”
“Too expensive”
“my heart rate so high I thought I was dying”
“It made my leg muscles ache”
“I wish there was a manufacturer that made it without the added taste”
Top return reasons
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.