Magnesium Glycinate 350 Mg
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
Price range
Incredible$17.95–$28.85cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$22.57avg listing price — sweet spot $15–$100
Conversion
Great10.0%search→purchase rate — share of searches ending in a sale
Market size
Great$970K$970K/yr · 430K searches
Review moat
Bad7,322.5avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-12.1%90-day search growth — must beat 0% to launch
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%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
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.No pronounced peak months · busiest ÷ quietest = 1.4×
Top magnesium glycinate 350 mg search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- solaray magnesium glycinate126K/yr
- solaray77K/yr
- magnesium glycinate 350 mg34K/yr
- kal magnesium glycinate38K/yr
- solaray magnesium glycinate 350 mg18K/yr
- magnesium glycinate solaray24K/yr
- solary magnesium glycinate19K/yr
- magnesium glycinate 35012K/yr
- magnesium glycinate 350 mg for women10K/yr
- kal magnesium glycinate 35010K/yr
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.
All 4 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
SOLARAY Magnesium Glycinate Capsules Chelated Magnesium Bisglycinate w/BioPerine Higher Absorption Magnesium Supplement - Bones Muscles Heart Support Vegan (30 Servings 120 VegCaps)
SOLARAY$17.954.7★8,039 rev
SOLARAY Magnesium Glycinate Capsules Chelated Magnesium Bisglycinate w/BioPerine Higher Absorption Magnesium Supplement - Bones Muscles Heart Support Vegan 68 Servings 275 VegCaps
SOLARAY$28.854.7★8,039 rev
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$22.894.6★6,606 rev
KAL Magnesium Glycinate Capsules Fully Chelated Magnesium Bisglycinate High Absorption Magnesium Supplement Healthy Bones Muscle Relaxation and Stress Support Non-GMO 160 count
KAL$20.594.6★6,606 rev
Newest
by launch dateKAL 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$22.896,606 rev
SOLARAY Magnesium Glycinate Capsules Chelated Magnesium Bisglycinate w/BioPerine Higher Absorption Magnesium Supplement - Bones Muscles Heart Support Vegan (30 Servings 120 VegCaps)
SOLARAY$17.958,039 rev
KAL Magnesium Glycinate Capsules Fully Chelated Magnesium Bisglycinate High Absorption Magnesium Supplement Healthy Bones Muscle Relaxation and Stress Support Non-GMO 160 count
KAL$20.596,606 rev
SOLARAY Magnesium Glycinate Capsules Chelated Magnesium Bisglycinate w/BioPerine Higher Absorption Magnesium Supplement - Bones Muscles Heart Support Vegan 68 Servings 275 VegCaps
SOLARAY$28.858,039 rev
Trending
90-day click momentumSOLARAY Magnesium Glycinate Capsules Chelated Magnesium Bisglycinate w/BioPerine Higher Absorption Magnesium Supplement - Bones Muscles Heart Support Vegan (30 Servings 120 VegCaps)
SOLARAY$17.954.7★
KAL Magnesium Glycinate Capsules Fully Chelated Magnesium Bisglycinate High Absorption Magnesium Supplement Healthy Bones Muscle Relaxation and Stress Support Non-GMO 160 count
KAL$20.594.6★
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$22.894.6★
SOLARAY Magnesium Glycinate Capsules Chelated Magnesium Bisglycinate w/BioPerine Higher Absorption Magnesium Supplement - Bones Muscles Heart Support Vegan 68 Servings 275 VegCaps
SOLARAY$28.854.7★
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
“Excellent Quality”
“Better sleep”
“High-Quality Magnesium Supplement”
“Effective supplement”
“the price is very reasonable”
“Works good for muscle cramps and sleep issues”
“They are calming”
“No upset stomach”
“As advertised”
“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
“To many capsules for such a low dose”
“Nothing relaxes me more than KAL magnesium glycinate”
“They didnt work at all”
“Too expensive doesn't work well”
“Bad Taste”
“capsules are big”
“False advertising”
“Woke up with a headache”
“It didn't help my sleep at all and”
“the heartburn is beyond terrible”
Top return reasons
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.