collagen type 2
Worth a lookShows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$25.94avg listing price — sweet spot $15–$100
Price range
Great$14.42–$41.25cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.3%search→purchase rate — share of searches ending in a sale
Market size
Great$957K$957K/yr · 447K searches
Competition
Okay59%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Growth
Bad-11.6%90-day search growth — must beat 0% to launch
Review moat
Bad14,743.05avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, collagen type 2 is a $957K/yr Amazon United States market (447K searches/yr). The top 5 brands hold 87% of demand. Verdict: Worth a look — 56/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
collagen type 2 market data
- Units sold / yr
- 30K–40K
- avg 1,250–1,500/product
- Revenue / yr
- $778K–$1.0M
- units × avg price
- Conversion rate
- 8.3%
- Avg BSR
- #368
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 70%
- Out of stock
- 0.0%
- Avg brand age
- 64 months
- Avg seller age
- 151 days
Competition & brand share
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
43
Top-5 brand share
87%
Top 20: 100%
Top-5 click share
59%
Top 20: 100%
Open market
9%
- NOW Foods62%
- Healthy Origins9%
- Naturalis7%
- Nutricost5%
- Jarrow Formulas4%
- Vital Vitamins3%
- Open — no brand owns it (5 brands, 9%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -11.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top collagen type 2 search terms
- uc ii43K/yr
- collagen type 254K/yr
- type 2 collagen55K/yr
- uc ii collagen33K/yr
- now collagen21K/yr
- uc-ii16K/yr
- undenatured type ii collagen11K/yr
- type ii collagen17K/yr
- type 2 collagen powder16K/yr
- uc-ii collagen13K/yr
Top collagen type 2 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 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
NOW Foods Supplements UC-II Type II Collagen with Undenatured Type II Collagen 120 Veg Capsules
NOW Foods$34.234.6★4,426 rev
NOW Foods Supplements UC-II Type II Collagen with Undenatured Type II Collagen 60 Veg Capsules
NOW Foods$19.404.6★4,426 rev
NOW Foods Supplements BioCell Collagen Hydrolyzed Type II Clinically Validated 120 Veg Capsules
NOW Foods$23.244.6★2,475 rev
Healthy Origins UC-II 40 mg 120 Veggie Capsules - Featuring Clinically Studied Undenatured Type II Collagen - Supports Joint Comfort Mobility & Flexibility - Non-GMO & Gluten-Free - 2 Month Supply
Healthy Origins$32.004.4★2,484 rev
Nutricost UC-II Collagen 40mg 120 Capsules Gluten-Free GMO-Free
Nutricost$32.764.7★58 rev
Newest
by launch dateNutricost UC-II Collagen 40mg 120 Capsules Gluten-Free GMO-Free
Nutricost$32.7658 rev
Amazon Elements Collagen Complex Type II with Hyaluronic Acid 90 Capsules 3 Month Supply
Amazon Elements$16.343,485 rev
Now Pets UC-II Advanced Joint Mobility for Dogs and Cats Veterinarian formulated Help Maintain Cartilage and Connective Tissue* 60 Chewable Tablets (60 Grams)
NOW Foods$18.68174 rev
Now Foods Supplements Multi Collagen Protein Types I II & III Powder Bone Joint and Skin Health 16 oz (454 g)
NOW Foods$27.13566 rev
Naturalis UC-II 40 mg 120 Softgels | Joint Health Mobility & Flexibility*
Naturalis$39.76192 rev
Trending
90-day click momentumNutricost UC-II Collagen 40mg 120 Capsules Gluten-Free GMO-Free
Nutricost$32.764.7★
Naturalis UC-II 40 mg 120 Softgels | Joint Health Mobility & Flexibility*
Naturalis$39.764.6★
Vital Proteins Collagen Peptides Powder Advanced with Hyaluronic Acid & Vitamin C 20oz Collagen Protein Unflavored 27 Servings
vital proteins$41.254.5★
NOW Foods Supplements UC-II Type II Collagen with Undenatured Type II Collagen 60 Veg Capsules
NOW Foods$19.404.6★
Youtheory Joint Collagen Advanced - Contains Undenatured Type II Collagen & Herbal Ingredients - Contains Bovine Source - Shellfish Free - 120 Tablets (60-Day Supply)
Youtheory$22.814.4★
What buyers say about collagen type 2
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent Product”
“Really seems to help me with my knee pain”
“good vitamin”
“The protein is great”
“Easy to use”
“Excellent price”
“a mineral rich complex that contributes calcium”
“mixes easily”
“Seems to work”
“My skin has a healthy glow”
What buyers complain about
“Taste weird”
“The container is very difficult to open”
“Too expensive”
“Doesn't Mix Well”
“It smells and tastes disgusting”
“Poor quality control capsules”
“The dosage is too low to be useful”
“This product makes me vomit”
“Honestly zero results”
“There's a weird taste even though its unflavored”
Top return reasons
Common questions
- Is collagen type 2 profitable to sell on Amazon United States?
- The niche generates $957K/yr across 20 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -11.6%. Flapen's verdict: Worth a look (56/100).
- How competitive is the collagen type 2 niche?
- 11 brands and 43 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 87% of demand.
- What do buyers complain about in collagen type 2?
- Top complaints mined from reviews: Taste-Overall, Ease Of Use, Value For Money. The return rate is 0.0%.
- When does demand for collagen type 2 peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the collagen type 2 niche?
- Listings span $14.42–$41.25; the average listing price is $25.94 (sweet spot $15–$100). The average incumbent carries 14,743 reviews — the moat a new listing must climb.