citrato de magnesio 300mg
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Great11.8%search→purchase rate — share of searches ending in a sale
Avg price
Good$13.78avg listing price — sweet spot $15–$100
Market size
Okay$261K$261K/yr · 160K searches
Price range
Okay$6.57–$21.13cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+10.5%90-day search growth — must beat 0% to launch
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad17,253.88avg incumbent reviews — the moat a new listing must climb
Competition
Bad90%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, citrato de magnesio 300mg is a $261K/yr Amazon United States market (160K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 42/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
citrato de magnesio 300mg market data
- Units sold / yr
- 20K–25K
- avg 2,500–3,000/product
- Revenue / yr
- $276K–$345K
- units × avg price
- Conversion rate
- 11.8%
- Avg BSR
- #138
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 50%
- Out of stock
- 0.0%
- Avg brand age
- 73 months
- Avg seller age
- 157 days
Competition & brand share
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 falling
Sellers
85
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
90%
Top 20: 100%
Open market
0%
- Nature Made92%
- NOW Foods5%
- Pure Encapsulations3%
Demand & seasonality
Weekly Amazon search volume, last 101 weeks — +10.5% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.2×
Top citrato de magnesio 300mg search terms
- nature made magnesium citrate42K/yr
- magnesium citrate 250 mg40K/yr
- magnesium citrate 300mg12K/yr
- magnesium citrate nature made13K/yr
- magnesium citrate 2508K/yr
- nature made magnesium citrate 250 mg9K/yr
- magnesium citrate softgels8K/yr
- magnesium citrate 250mg6K/yr
- magnesium citrate 250 mg softgels4K/yr
- citrato de magnesio nature made4K/yr
Top citrato de magnesio 300mg products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Nature Made Magnesium Citrate 250 mg per Serving 120 Softgels
Nature Made$14.914.6★24,924 rev
Nature Made Magnesium Citrate 250 mg per Serving 60 Softgels
Nature Made$8.464.6★24,924 rev
Nature Made Extra Strength Dosage Magnesium Citrate Tablets 60 Tablets
Nature Made$13.294.4★75 rev
NOW Supplements Magnesium Citrate Enzyme Function* Nervous System Support* 120 Veg Capsules
NOW Foods$9.974.7★25,502 rev
Nature Made High Absorption Magnesium Citrate 200mg per Serving 90 Gummies
Nature Made$16.224.5★11,357 rev
Newest
by launch dateNature Made Extra Strength Dosage Magnesium Citrate Tablets 60 Tablets
Nature Made$13.2975 rev
Nature Made Magnesium Glycinate 300 mg per 3 Capsules 90 Capsules
Nature Made$21.132,683 rev
Nature Made High Absorption Magnesium Citrate 200mg per Serving 90 Gummies
Nature Made$16.2211,357 rev
Nature Made Magnesium Citrate 250 mg per Serving 120 Softgels
Nature Made$14.9124,924 rev
Nature Made Magnesium Citrate 250 mg per Serving 60 Softgels
Nature Made$8.4624,924 rev
Trending
90-day click momentumNature Made Extra Strength Dosage Magnesium Citrate Tablets 60 Tablets
Nature Made$13.294.4★
NOW Supplements Magnesium Citrate Enzyme Function* Nervous System Support* 120 Veg Capsules
NOW Foods$9.974.7★
Nature Made High Absorption Magnesium Citrate 200mg per Serving 90 Gummies
Nature Made$16.224.5★
Nature Made Magnesium Glycinate 300 mg per 3 Capsules 90 Capsules
Nature Made$21.134.7★
Pure Encapsulations Magnesium (Citrate) - Supplement for Sleep Heart Health Cognitive Health Bone Health Energy Muscles and Metabolism* - with Premium Magnesium - 90 Capsules
Pure Encapsulations$19.704.7★
What buyers say about citrato de magnesio 300mg
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Great quality magnesium supplement”
“sleep better”
“Great value will buy again vitamins”
“Price was reasonable”
“Easy to swallow”
“The value of this supplement was also good, for the dose per day”
“reduce muscle cramping”
“this one hasn't caused any digestive issues”
“Arrived as expected”
What buyers complain about
“Capsules too large”
“Too big for me to swallow”
“Both times bottles came filled with loose magnesium powder”
“Taking 5 or 6 of these twice a day was ridiculous”
“I have had issues with IBS/Constipation for years”
“Does not help with sleep”
“Contaminated with White Powder”
“Did not work for me”
“I feel absolutely no effect at all”
“unpleasant aftertaste”
Top return reasons
Common questions
- Is citrato de magnesio 300mg profitable to sell on Amazon United States?
- The niche generates $261K/yr across 8 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +10.5%. Flapen's verdict: Skip it (42/100).
- How competitive is the citrato de magnesio 300mg niche?
- 3 brands and 85 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in citrato de magnesio 300mg?
- Top complaints mined from reviews: Size-Overall, Ease Of Chewing/Swallowing, Magnesium. The return rate is 0.0%.
- When does demand for citrato de magnesio 300mg peak?
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- What does it cost to enter the citrato de magnesio 300mg niche?
- Listings span $6.57–$21.13; the average listing price is $13.78 (sweet spot $15–$100). The average incumbent carries 17,254 reviews — the moat a new listing must climb.