Magnesium Glycinate 120 Mg
Skip itSoft demand (-29.7% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Great$20.88avg listing price — sweet spot $15–$100
Conversion
Great8.9%search→purchase rate — share of searches ending in a sale
Price range
Great$7.92–$45.01cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay77%top-5 brand share — brands hold most of the demand
Market size
Okay$187K$187K/yr · 101K searches
Competition
Bad71%top-5 click share — a locked-up shelf
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad9,201.14avg incumbent reviews — the moat a new listing must climb
Growth
Bad-29.7%90-day search growth — must beat 0% to launch
Is magnesium glycinate 120 mg profitable on Amazon?
According to Flapen's Amazon United States niche tracking, magnesium glycinate 120 mg is a $187K/yr Amazon United States market (101K searches/yr). The top 5 brands hold 77% of demand. Verdict: Skip it — 45/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
magnesium glycinate 120 mg market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 3K–4K
- avg 250–500/product
- Revenue / yr
- $63K–$84K
- units × avg price
- Conversion rate
- 8.9%
- Avg BSR
- #448
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 93%
- Out of stock
- 5.6%
- Avg brand age
- 53 months
- Avg seller age
- 167 days
Competition: brands, sellers & click share
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.Brands
12 falling
Sellers
41
Top-5 brand share
77%
Top 20: 100%
Top-5 click share
71%
Top 20: 100%
Open market
18%
- Pure Encapsulations37%
- Built by Nature17%
- NatureYours12%
- Trace Minerals6%
- Nature's Bounty5%
- Qunol5%
magnesium glycinate 120 mg demand & seasonality
Weekly Amazon search volume, last 8 weeks — -29.7% search growth over the last 90 days.Top magnesium glycinate 120 mg search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- magnesium glycinate 120 mg91K/yr
- magnesium glycinate 120mg5K/yr
- magnesium glycinate 120 mg capsules5K/yr
Top magnesium glycinate 120 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 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief Sleep Heart Health Nerves Muscles and Metabolism* - with Magnesium Glycinate - 90 Capsules
Pure Encapsulations$26.104.7★49,969 rev
Built By Nature Magnesium Glycinate Supplement 120 mg 90 Capsules
Built by Nature$10.334.4★70 rev
Magnesium Glycinate 120mg Capsules by NatureYours High Absorption Formula Supports Muscle & Bone Health Non-GMO Sugar-Free 90 Veggie Capsules (90-Day Supply)
NatureYours$7.924.5★57 rev
Natures Bounty High Absorption Magnesium Glycinate 240 mg for Supporting Muscle Relaxation and Bone Heart & Nerve Health Non-GMO Gluten-Free Vegetarian 120 Count/60 Servings
Nature's Bounty$15.654.7★5,675 rev
Qunol Magnesium Glycinate Gummies 120mg of Magnesium Glycinate High Absorption Mixed Berry 90 Count (Pack of 1)
Qunol$23.004.4★1,230 rev
Newest
by launch date
Lunakai USA Made Pure Magnesium Glycinate Capsules 120mg Elemental with B6 (P-5-P) High Absorption Magnesium Supplement for Women & Men - Daily Sleep & Muscle Support Non-GMO 90ct
Lunakai$17.9940 rev
Qunol Magnesium Glycinate Gummies 120mg of Magnesium Glycinate High Absorption Mixed Berry 90 Count (Pack of 1)
Qunol$23.001,230 rev
THORNE - Magnesium Glycinate - Supports Restful Sleep Muscle Relaxation Heart Health & Metabolism* - Chelated Magnesium Capsules - Third-Party Certified - Gluten Dairy & Soy-Free - 90 Servings
THORNE$25.392,847 rev
Natures Bounty High Absorption Magnesium Glycinate 240 mg for Supporting Muscle Relaxation and Bone Heart & Nerve Health Non-GMO Gluten-Free Vegetarian 120 Count/60 Servings
Nature's Bounty$15.655,675 rev
Built By Nature Magnesium Glycinate Supplement 120 mg 90 Capsules
Built by Nature$10.3370 rev
Trending
90-day click momentumLunakai USA Made Pure Magnesium Glycinate Capsules 120mg Elemental with B6 (P-5-P) High Absorption Magnesium Supplement for Women & Men - Daily Sleep & Muscle Support Non-GMO 90ct
Lunakai$17.994.9★
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★
Magnesium Glycinate 120mg Capsules by NatureYours High Absorption Formula Supports Muscle & Bone Health Non-GMO Sugar-Free 90 Veggie Capsules (90-Day Supply)
NatureYours$7.924.5★
Life Extension Magnesium Glycinate Heart Health Bone Health Nerve and Muscle Support Highly absorbable Gluten-Free Non-GMO Vegetarian 90 Capsules
Life Extension$16.644.7★
Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief Sleep Heart Health Nerves Muscles and Metabolism* - with Magnesium Glycinate - 180 Capsules
Pure Encapsulations$45.014.7★
What reviews say buyers love and hate about magnesium glycinate 120 mg
What buyers praise and complain about, mined from review topics.What buyers love
“I fall asleep easily”
“Amazing quality”
“The best magnesium supplement I have ever taken”
“The best vitamin for your body”
“Great value for the money”
“As advertised”
“Eases muscle cramping”
“Effective”
“Helps with anxiety and stress”
“Easier to swallow”
What buyers complain about
“Did not help with sleep”
“Low quality magnesium”
“Poor quality control”
“noticed no results”
“Too Big”
“Awful aftertaste”
“intolerant side effect”
“Causes upset stomach and headache”
“Those supplements are low-dose”
“Way overpriced”
Top return reasons
Common magnesium glycinate 120 mg questions
- Is magnesium glycinate 120 mg profitable to sell on Amazon United States?
- The niche generates $187K/yr across 14 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -29.7%. Flapen's verdict: Skip it (45/100).
- How competitive is the magnesium glycinate 120 mg niche?
- 12 brands and 41 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 77% of demand.
- What do buyers complain about in magnesium glycinate 120 mg?
- Top complaints mined from reviews: Sleep Quality, Magnesium, Quality-Overall. The return rate is 0.0%.
- What does it cost to enter the magnesium glycinate 120 mg niche?
- Listings span $7.92–$45.01; the average listing price is $20.88 (sweet spot $15–$100). The average incumbent carries 9,201 reviews — the moat a new listing must climb.