sports research magnesium
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
Incredible15.3%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$39.89avg listing price — sweet spot $15–$100
Price range
Incredible$18.76–$61.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$408K$408K/yr · 67K searches
Review moat
Okay2,951.29avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-3.7%90-day search growth — must beat 0% to launch
Competition
Bad95%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, sports research magnesium is a $408K/yr Amazon United States market (67K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Mar–Apr–Dec. Verdict: Skip it — 46/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
sports research magnesium market data
- Units sold / yr
- 8K–10K
- avg 750–1,000/product
- Revenue / yr
- $319K–$399K
- units × avg price
- Conversion rate
- 15.3%
- Avg BSR
- #274
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 93 months
- Avg seller age
- 154 days
Competition & brand share
The top 5 products capture 95% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
17
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
95%
Top 20: 100%
Open market
0%
- Sports Research51%
- Doctor's BEST37%
- Designs for Health7%
- Igennus Healthcare Nutrition3%
- THORNE2%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 98 weeks — -3.7% search growth over the last 90 days.Peak months: Jan, Feb, Mar, Apr, Dec · busiest ÷ quietest = 6.1×
Top sports research magnesium search terms
- sports research turmeric curcumin13K/yr
- curcumin c3 complex12K/yr
- doctors best curcumin10K/yr
- doctors best high absorption curcumin7K/yr
- doctors best curcumin phytosome3K/yr
- sports research turmeric4K/yr
- sports research turmeric curcumin c3 complex3K/yr
- doctors best turmeric3K/yr
- curcumin c34K/yr
- c3 curcumin complex3K/yr
Top sports research magnesium 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 7 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Sports Research Turmeric Curcumin C3 Complex w/BioPerine Black Pepper Extract & Organic Coconut Oil - Standardized 95% Curcuminoids Non-GMO Gluten Free - 120 Count Softgels
Sports Research$30.124.7★10,914 rev
Doctors Best Turmeric Curcumin Supplement 1000mg for Men & Women - Curcumin Caps from Turmeric Root Black Pepper Extract (BioPerine) 95% Piperine Joint Health Support Non GMO - 120 Veg Capsules
Doctor's BEST$33.994.6★4,044 rev
Doctors Best Curcumin From Turmeric Root with C3 Complex & BioPerine Benefit the Joints by Helping to Neutralize Free Radicals Non-GMO Gluten Free Soy Free Joint Support 1000 mg 120 Tablets
Doctor's BEST$50.214.6★1,410 rev
Sports Research Turmeric Curcumin C3 Complex w/BioPerine Black Pepper Extract & Organic Coconut Oil - Standardized 95% Curcuminoids Non-GMO Gluten Free - 60 Count Softgels
Sports Research$18.764.7★1,596 rev
Designs for Health C3 Curcumin Complex - Highly Bioavailable Curcuminoid Turmeric Supplement 400mg with 3 Bioactive Curcuminoids - Non-GMO Gluten-Free + Vegetarian (60 Capsules)
Designs for Health$56.744.5★180 rev
Newest
by launch date
Igennus Advanced Curcumin C3 Complex 300% Greater Absorption & Rapid Uptake 95% Standardised Extract 90 Servings Clean Label Vegan Supplement 1-a-Day 90 Capsules
Igennus Healthcare Nutrition$27.61391 rev
Sports Research Turmeric Curcumin C3 Complex w/BioPerine Black Pepper Extract & Organic Coconut Oil - Standardized 95% Curcuminoids Non-GMO Gluten Free - 60 Count Softgels
Sports Research$18.761,596 rev
THORNE - Curcumin Phytosome 1000 mg (Meriva) - Clinically Studied High Absorption - Supports Healthy Inflammatory Response in Joints Muscles GI Tract Liver Brain & Nerves* - 60 Servings
THORNE$61.792,124 rev
Sports Research Turmeric Curcumin C3 Complex w/BioPerine Black Pepper Extract & Organic Coconut Oil - Standardized 95% Curcuminoids Non-GMO Gluten Free - 120 Count Softgels
Sports Research$30.1210,914 rev
Doctors Best Curcumin From Turmeric Root with C3 Complex & BioPerine Benefit the Joints by Helping to Neutralize Free Radicals Non-GMO Gluten Free Soy Free Joint Support 1000 mg 120 Tablets
Doctor's BEST$50.211,410 rev
Trending
90-day click momentumDoctors Best Curcumin From Turmeric Root with C3 Complex & BioPerine Benefit the Joints by Helping to Neutralize Free Radicals Non-GMO Gluten Free Soy Free Joint Support 1000 mg 120 Tablets
Doctor's BEST$50.214.6★
Sports Research Turmeric Curcumin C3 Complex w/BioPerine Black Pepper Extract & Organic Coconut Oil - Standardized 95% Curcuminoids Non-GMO Gluten Free - 120 Count Softgels
Sports Research$30.124.7★
THORNE - Curcumin Phytosome 1000 mg (Meriva) - Clinically Studied High Absorption - Supports Healthy Inflammatory Response in Joints Muscles GI Tract Liver Brain & Nerves* - 60 Servings
THORNE$61.794.7★
Designs for Health C3 Curcumin Complex - Highly Bioavailable Curcuminoid Turmeric Supplement 400mg with 3 Bioactive Curcuminoids - Non-GMO Gluten-Free + Vegetarian (60 Capsules)
Designs for Health$56.744.5★
Doctors Best Turmeric Curcumin Supplement 1000mg for Men & Women - Curcumin Caps from Turmeric Root Black Pepper Extract (BioPerine) 95% Piperine Joint Health Support Non GMO - 120 Veg Capsules
Doctor's BEST$33.994.6★
What buyers say about sports research magnesium
What buyers praise and complain about, mined from review topics.What buyers love
“I trust Thorne for quality and this product doesn't disappoint — no fillers, third-party tested, and the 60-serving bottle is great value”
“It works for joint pain”
“This has helped me with inflammation”
“as advertised”
“much less expensive”
“it is easy to ingest”
“I love this brand of supplements”
“No Side effects that I have noticed”
“They have clean ingredients”
“Vitamens”
What buyers complain about
“The capsule is large”
“Since using this product pain has came back in thumb”
“only if I took 1 capsule at least twice a day. taking only 1 a day did nothing noticeable”
“Side effect of Diarrhea”
“This brand is a little expensive”
“couldn't get out fast enough”
“Beware Allergic reaction”
“I havent Noticed any improvements in my inflammation”
“Too hard to swallow”
“Terrible quality and not the right color”
Top return reasons
Common questions
- Is sports research magnesium profitable to sell on Amazon United States?
- The niche generates $408K/yr across 7 tracked products. 90-day search growth is -3.7%. Flapen's verdict: Skip it (46/100).
- How competitive is the sports research magnesium niche?
- 5 brands and 17 sellers compete. The top 5 products take 95% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in sports research magnesium?
- Top complaints mined from reviews: Size-Overall, Pain Relief-Overall, Dosage. The return rate is 0.0%.
- When does demand for sports research magnesium peak?
- Demand peaks in Jan–Feb–Mar–Apr–Dec; the busiest month runs 6.1× the quietest.
- What does it cost to enter the sports research magnesium niche?
- Listings span $18.76–$61.79; the average listing price is $39.89 (sweet spot $15–$100). The average incumbent carries 2,951 reviews — the moat a new listing must climb.