---
title: "Marine Collagen Powder — £243K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/marine-collagen-powder"
last_updated: "2026-07-31T17:27:15.743Z"
locale: en
meta:
description: "Niche score 54/100 · £243K/yr market · 235K searches/yr · £17.19 avg price. Soft demand (-22.3% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · £243K/yr market · 235K searches/yr · £17.19 avg price. Soft demand (-22.3% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Marine Collagen Powder — £243K/yr Amazon UK Niche (2026) - Flapen"
---
# **marine collagen powder**
**Worth a look**
Shows low returns (0.1%), but soft demand (-22.3% this quarter) keeps it on the watch list.
Market size 45Growth 14Conversion 67Competition 46Returns 100Price range 64Avg price 80Brand share 56Review moat 49Quality gap 67
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****£17.19**
avg listing price — sweet spot $15–$100
**Conversion**
**Good****6.0%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****£5.12–£32.81**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****71%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****1,622.64**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Okay****58%**
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 ~~](https://flapen.com/research/methodology)
## **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.
6K4KSpike '24Black Friday '24Spike '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Mar · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/marine-collagen-powder/trend)
## **Top marine collagen powder search terms**
- **marine collagen powder**172K/yr-22.0%4.5% conv. - **applied nutrition collagen**17K/yr-15.9%6.7% conv. - **powder collagen marine**9K/yr-46.5%5.0% conv. - **collagen powder marine**9K/yr-9.2%4.8% conv. - **collagen marine powder**7K/yr-13.9%4.6% conv. - **marine collagen powder for women**7K/yr-23.5%4.4% conv. - **applied nutrition collagen powder**4K/yr-13.2%8.9% conv. - **applied nutrition marine collagen**3K/yr-11.4%7.6% conv. - **fish collagen powder**3K/yr-28.2%4.3% conv. - **hydrolysed marine collagen powder**3K/yr-27.2%3.2% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/marine-collagen-powder/search-terms)
## **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.
0%10%£24K20%£49K30%£73K40%£97K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 22 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Applied Nutrition Marine Collagen Powder - Hydrolysed Collagen Protein Healthy Skin Hair Nails (Unflavoured) (300g - 25 Servings)**Applied Nutrition**£18.86**4.3★419 rev](https://www.amazon.co.uk/dp/B0CQCWKKWJ) [2**Marine Collagen Protein Powder 400g - Wild-Caught Canadian Marine Collagen - Unflavoured - Types 1 & 3 Hydrolysed Collagen Peptides - 33 Day Supply - By Alpha01**ALPHA01**£16.73**4.4★658 rev](https://www.amazon.co.uk/dp/B088MDYBDB) [3**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**£16.41**4.4★3,718 rev](https://www.amazon.co.uk/dp/B07BR8TMTD) [4**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**£24.08**4.5★565 rev](https://www.amazon.co.uk/dp/B0CJVP7CSB) [5**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**£11.25**4.3★120 rev](https://www.amazon.co.uk/dp/B0FPHYR5LG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**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**£11.25**120 rev10mo ago](https://www.amazon.co.uk/dp/B0FPHYR5LG) [**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**£15.03**64 rev1y ago](https://www.amazon.co.uk/dp/B0FGY2YRB6) [**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**£26.09**160 rev1y ago](https://www.amazon.co.uk/dp/B0F4RB7KLB) [**Marine Collagen Powder Type 1 & 3 | Wild Caught Fish | Non-GMO | Unflavoured for Women & Men | Healthy Skin Hair Joints & Bones | 400G**Euphoria Bliss**£19.15**111 rev1y ago](https://www.amazon.co.uk/dp/B0DC7SQMC8) [**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**£11.00**62 rev2y ago](https://www.amazon.co.uk/dp/B0CVPL7C3D)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Marine Collagen Protein Powder 400g - Wild-Caught Canadian Marine Collagen - Unflavoured - Types 1 & 3 Hydrolysed Collagen Peptides - 33 Day Supply - By Alpha01**ALPHA01**£16.73**4.4★**▲ 75%**](https://www.amazon.co.uk/dp/B088MDYBDB) [**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**£11.00**4.6★**▲ 51%**](https://www.amazon.co.uk/dp/B0CVPL7C3D) [**Applied Nutrition Collagen Powder - Hydrolysed Bovine Collagen Protein Halal Healthy Skin Hair Nails (Unflavoured) (150g - 30 Servings)**Applied Nutrition**£7.98**4.4★**▲ 40%**](https://www.amazon.co.uk/dp/B0CLSG32Z1) [**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**£24.75**4.3★**▲ 40%**](https://www.amazon.co.uk/dp/B07417Q6LD) [**Marine Collagen Powder 100g ~ Wild Caught Whitefish ~ Supports Bone Health & Muscle Growth ~ Type I Hydrolyzed Collagen Peptides ~ Halal Certified ~ by Revive Naturals**Revive Naturals**£5.12**4.3★**▲ 32%**](https://www.amazon.co.uk/dp/B0CD5ZQ3RV)
**~~View all trending →~~**
## **What buyers say about marine collagen powder**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**19%
*“I think it is a reliable brand”*
**Value For Money**10%
*“Money well spent”*
**Solubility**9%
*“Mixes easily”*
**Taste-Overall**8%
*“Excellent taste”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Joint Pain**5%
*“Ease of joint pain”*
**Ease Of Use**4%
*“Easy to use”*
**Skin Health**4%
*“Skin looks great”*
**Calcium**3%
*“Collagen supplement”*
**Blend/Ratio**2%
*“mixes easy”*
### **What buyers complain about **
**Taste-Overall**31%
*“Horrible taste”*
**Smell**8%
*“The smell is just awful”*
**Flavor**3%
*“No flavour”*
**Vegan/Organic**3%
*“Not suitable. pure Bovine”*
**Solubility**3%
*“It just doesnt mix well”*
**Functionality-Overall**3%
*“Not sure it works”*
**Value For Money**3%
*“very expensive”*
**Allergies**2%
*“Problem with skin irritation”*
**Quality-Overall**2%
*“Poor quality”*
**Side Effects**1%
*“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.
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