shark cartilage
Worth a lookShows low returns (0.0%), but soft demand (+2.5% this quarter) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$33.56avg listing price — sweet spot $15–$100
Price range
Incredible$17.36–$79.77cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Good4.4%search→purchase rate — share of searches ending in a sale
Market size
Okay$226K$226K/yr · 153K searches
Review moat
Okay2,797.75avg incumbent reviews — the moat a new listing must climb
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Competition
Okay66%top-5 click share — leaders hold, buyers still browse
Growth
Okay+2.5%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, shark cartilage is a $226K/yr Amazon United States market (153K searches/yr). The top 5 brands hold 85% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
shark cartilage market data
- Units sold / yr
- 6K–8K
- avg 500–750/product
- Revenue / yr
- $201K–$268K
- units × avg price
- Conversion rate
- 4.4%
- Avg BSR
- #3,871
- Page quality
- 0%
- Prime
- 63%
- Sponsored
- 88%
- Out of stock
- 4.4%
- Avg brand age
- 63 months
- Avg seller age
- 152 days
Competition & brand share
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.Brands
10 rising
Sellers
16
Top-5 brand share
85%
Top 20: 100%
Top-5 click share
66%
Top 20: 100%
Open market
11%
- Generic43%
- Natural medix25%
- Jkrova6%
- Euphea5%
- FabLab5%
- SIRUNES4%
- Open — no brand owns it (4 brands, 11%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +2.5% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top shark cartilage search terms
- shark cartilage59K/yr
- cartlago de tiburon21K/yr
- cartilago de tiburon 1500 mgs14K/yr
- shark cartilage 750mg13K/yr
- cartilago de tiburon19K/yr
- shark cartilage supplements for joints6K/yr
- cartlago de tiburn para las articulaciones5K/yr
- shark cartilage capsules9K/yr
- cartlago de tiburon 1000mg3K/yr
- shark cartilago2K/yr
Top shark cartilage 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 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Natural medix Cartilage Joint Support Supplement with Glucosamine Collagen & Magnesium 100 Caps - Cartlago de Tiburon
Natural medix$29.974.6★172 rev
Natural Cartil.Age Supplement 750 mg 100 Capsules
Generic$24.534.3★17 rev
2X Cartlago de Tiiburn 750mg Apoyo Natural para Articulaciones Huesos Piel y Bienestar General 200 Cpsulas
Generic$59.844.6★40 rev
Carti.Lage 100 Capsules 750mg
Generic$37.614.8★22 rev
Jkrova Cartilage for Joint & Bone with Cartilage 750mg Glucosamine & Collagen Support Joint Function Bone Density & Cartilage Health Aging Joints 100 Capsules
Jkrova$29.134.6★20 rev
Newest
by launch date
Cartlago de Tiiburn Super II 750mg 100 Cpsulas
Generic$33.410 rev
Poxo Cartilage with Cartilage 750mg Glucosamine & Collagen Great for Seniors & Athletes 100 Capsules
Poxo$26.102 rev
Euphea Cartilage with Cartilage 750mg Glucosamine & Collagen Great for Seniors & Athletes 100 Capsules
Euphea$27.103 rev
Natural Cartil.Age Supplement 750 mg 100 Capsules
Generic$24.5317 rev
SIRUNES Fish Collagen Peptides Capsules 100 Capsules | Fish Collagen Peptides | Supports Hair Skin Nails Joints & Bones | Gluten-Free Non-GMO | Made in USA
SIRUNES$22.4918 rev
Trending
90-day click momentumCartlago de Tiiburn Super II 750mg 100 Cpsulas
Generic$33.410.0★
Poxo Cartilage with Cartilage 750mg Glucosamine & Collagen Great for Seniors & Athletes 100 Capsules
Poxo$26.103.3★
FabLab Collagen Supplement - Nutritional Supplement for Nerve & Bone Support - Non-GMO Anti-Aging Dietary Product with Hydrolyzed Peptides -100 Capsules
FabLab$21.764.4★
Natural Cartil.Age Supplement 750 mg 100 Capsules
Generic$24.534.3★
Cartilage XL Plus Glucosamine Chondroitin & Turmeric. Joint Support Supplement. Antioxidant Properties. 100 Capsules
Generic$17.364.6★
What buyers say about shark cartilage
What buyers praise and complain about, mined from review topics.What buyers love
“Helps Joint pain”
“A great improvement over the product I used previously”
“Effective”
“Worth the money”
“Excellent supplement”
“Worked as advertised”
“The capsules are easy to take”
“Great for bones”
“Excellent supplement”
“Effective”
What buyers complain about
“Unfortunately, this did nothing to relieve my arthritis pain”
“Did not work”
“Years of discomfort”
“Disappointed needed to take 3 dailey”
“Waste of money”
“NEGATIVE SIDE EFFECTS”
“don't think it's going through quality Assurance checks”
“Gave me insomnia”
“Also pills were too big”
“Made my stomach ache the first day I took it”
Top return reasons
Common questions
- Is shark cartilage profitable to sell on Amazon United States?
- The niche generates $226K/yr across 16 tracked products. 2 of 6 products launched in the last 360 days are still selling. 90-day search growth is +2.5%. Flapen's verdict: Worth a look (51/100).
- How competitive is the shark cartilage niche?
- 10 brands and 16 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 85% of demand.
- What do buyers complain about in shark cartilage?
- Top complaints mined from reviews: Joint Pain, Functionality-Overall, Pain Relief-Overall. The return rate is 0.0%.
- When does demand for shark cartilage peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the shark cartilage niche?
- Listings span $17.36–$79.77; the average listing price is $33.56 (sweet spot $15–$100). The average incumbent carries 2,798 reviews — the moat a new listing must climb.