marine collagen powder
Worth a lookShows low returns (0.1%), but soft demand (-22.3% this quarter) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Avg price
Great£17.19avg listing price — sweet spot $15–$100
Conversion
Good6.0%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Price range
Good£5.12–£32.81cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good71%top-5 brand share — brands hold most of the demand
Review moat
Okay1,622.64avg incumbent reviews — the moat a new listing must climb
Competition
Okay58%top-5 click share — leaders hold, buyers still browse
Market size
Okay£243K£243K/yr · 235K searches
Growth
Bad-22.3%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, marine collagen powder is a £243K/yr Amazon United Kingdom market (235K searches/yr). The top 5 brands hold 71% of demand. Demand peaks in Mar. Verdict: Worth a look — 54/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
marine collagen powder market data
- Units sold / yr
- 13K–15K
- avg 500–750/product
- Revenue / yr
- £215K–£258K
- units × avg price
- Conversion rate
- 6.0%
- Avg BSR
- #197
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 64%
- Out of stock
- 0.0%
- Avg brand age
- 40 months
- Avg seller age
- 164 days
Competition & brand share
The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.Brands
16 flat
Sellers
47
Top-5 brand share
71%
Top 20: 100%
Top-5 click share
58%
Top 20: 98%
Open market
23%
- Applied Nutrition35%
- ALPHA0115%
- NUTRABYTES7%
- CORREXIKO7%
- Inspiriko6%
- SuperSelf6%
Demand & seasonality
Weekly Amazon search volume, last 102 weeks — -22.3% search growth over the last 90 days.Peak months: Mar · busiest ÷ quietest = 1.8×
Top marine collagen powder search terms
- marine collagen powder172K/yr
- applied nutrition collagen17K/yr
- powder collagen marine9K/yr
- collagen powder marine9K/yr
- collagen marine powder7K/yr
- marine collagen powder for women7K/yr
- applied nutrition collagen powder4K/yr
- applied nutrition marine collagen3K/yr
- fish collagen powder3K/yr
- hydrolysed marine collagen powder3K/yr
Top marine collagen powder 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 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Applied Nutrition Marine Collagen Powder - Hydrolysed Collagen Protein Healthy Skin Hair Nails (Unflavoured) (300g - 25 Servings)
Applied Nutrition£18.864.3★419 rev
Marine Collagen Protein Powder 400g - Wild-Caught Canadian Marine Collagen - Unflavoured - Types 1 & 3 Hydrolysed Collagen Peptides - 33 Day Supply - By Alpha01
ALPHA01£16.734.4★658 rev
CORREXIKO Marine Collagen Powder Supplement Unflavoured - 10 000mg Double Hydrolysed Collagen Peptides per Serving - Formulated for Maximum Absorption - for Hair Skin & Nails - 140g 14 Servings
CORREXIKO£16.414.4★3,718 rev
Inspiriko Marine Collagen Powder for Women - Marine Collagen with Hyaluronic Acid Vitamin C Biotin and MSM. Hydrolyzed Collagen Peptides Backed by 6 Clinical Studies 30 Servings
Inspiriko£24.084.5★565 rev
Marine Collagen Powder - Glow Up Supplement for Women & Men - Skin Hair & Nail Support - Odourless & Easy to Mix - Hydrolyzed Peptides Type 1 Collagen from Fish - High Absorption (240g)
SuperSelf£11.254.3★120 rev
Newest
by launch dateMarine Collagen Powder - Glow Up Supplement for Women & Men - Skin Hair & Nail Support - Odourless & Easy to Mix - Hydrolyzed Peptides Type 1 Collagen from Fish - High Absorption (240g)
SuperSelf£11.25120 rev
Benjamin Button Pure Marine Collagen Powder - Hydrolysed Peptides (Type I) from Wild-Caught Fish - Unflavoured 400g - Hair Skin Nail Joint & Bone Support - Halal Keto & Paleo Friendly
Benjamin Button£15.0364 rev
Vital Proteins Marine Collagen Peptides Powder Supplement (Type I III) Hydrolysed Collagen Hair Skin Nail Support Supplement Gluten Free 12g per Serving 221g Canister 1Pack
VITAL PROTEINS£26.09160 rev
Marine Collagen Powder Type 1 & 3 | Wild Caught Fish | Non-GMO | Unflavoured for Women & Men | Healthy Skin Hair Joints & Bones | 400G
Euphoria Bliss£19.15111 rev
Onyx Marine Collagen Powder 10000mg Hydrolyzed Type I & III Collagen Peptides Unflavored High Absorption Supplement for Hair Skin Nails & Joints Non-GMO Keto & Paleo Friendly
ONYX INGREDIENTS 101£11.0062 rev
Trending
90-day click momentumMarine Collagen Protein Powder 400g - Wild-Caught Canadian Marine Collagen - Unflavoured - Types 1 & 3 Hydrolysed Collagen Peptides - 33 Day Supply - By Alpha01
ALPHA01£16.734.4★
Onyx Marine Collagen Powder 10000mg Hydrolyzed Type I & III Collagen Peptides Unflavored High Absorption Supplement for Hair Skin Nails & Joints Non-GMO Keto & Paleo Friendly
ONYX INGREDIENTS 101£11.004.6★
Applied Nutrition Collagen Powder - Hydrolysed Bovine Collagen Protein Halal Healthy Skin Hair Nails (Unflavoured) (150g - 30 Servings)
Applied Nutrition£7.984.4★
Pure Marine Collagen Powder - 5000mg - Hydrolyzed Collagen Peptides Type 1 - Supplements for Women and Men for Hair Skin and Nails - Unflavored 300g 60 Servings
SEAGARDEN£24.754.3★
Marine Collagen Powder 100g ~ Wild Caught Whitefish ~ Supports Bone Health & Muscle Growth ~ Type I Hydrolyzed Collagen Peptides ~ Halal Certified ~ by Revive Naturals
Revive Naturals£5.124.3★
What buyers say about marine collagen powder
What buyers praise and complain about, mined from review topics.What buyers love
“I think it is a reliable brand”
“Money well spent”
“Mixes easily”
“Excellent taste”
“As advertised”
“Ease of joint pain”
“Easy to use”
“Skin looks great”
“Collagen supplement”
“mixes easy”
What buyers complain about
“Horrible taste”
“The smell is just awful”
“No flavour”
“Not suitable. pure Bovine”
“It just doesnt mix well”
“Not sure it works”
“very expensive”
“Problem with skin irritation”
“Poor quality”
“No Benefits - Hives”
Common questions
- Is marine collagen powder profitable to sell on Amazon United Kingdom?
- The niche generates £243K/yr across 22 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -22.3%. Flapen's verdict: Worth a look (54/100).
- How competitive is the marine collagen powder niche?
- 16 brands and 47 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 71% of demand.
- What do buyers complain about in marine collagen powder?
- Top complaints mined from reviews: Taste-Overall, Smell, Flavor. The return rate is 0.1%.
- When does demand for marine collagen powder peak?
- Demand peaks in Mar; the busiest month runs 1.8× the quietest.
- What does it cost to enter the marine collagen powder niche?
- Listings span £5.12–£32.81; the average listing price is £17.19 (sweet spot $15–$100). The average incumbent carries 1,623 reviews — the moat a new listing must climb.