---
title: "Biotin and Collagen Supplements — £138K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/biotin-and-collagen-supplements"
last_updated: "2026-07-31T10:41:05.824Z"
locale: en
meta:
description: "Niche score 43/100 · £138K/yr market · 117K searches/yr · £10.15 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · £138K/yr market · 117K searches/yr · £10.15 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Biotin and Collagen Supplements — £138K/yr Amazon UK Niche (2026) - Flapen"
---
# **biotin and collagen supplements**
**Skip it**
Soft demand (-27.7% this quarter) — this niche doesn't clear our bar today.
Market size 30Growth 11Conversion 93Competition 18Returns 100Price range 36Avg price 35Brand share 45Review moat 25Quality gap 52
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****11.6%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****78%**
top-5 brand share — brands hold most of the demand
**Price range**
**Okay****£5.66–£20.21**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****£10.15**
avg listing price — sweet spot $15–$100
**Market size**
**Okay****£138K**
£138K/yr · 117K searches
**Review moat**
**Bad****4,627.5**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****78%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-27.7%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, biotin and collagen supplements is a £138K/yr Amazon United Kingdom market (117K searches/yr). The top 5 brands hold 78% of demand. Verdict: Skip it — 43/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **biotin and collagen supplements market data**
- **Units sold / yr**
- **8K–10K**
- avg 750–1,000/product
- **Revenue / yr**
- **£81K–£102K**
- units × avg price
- **Conversion rate**
- **11.6%**
- **Avg BSR**
- **#66**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **42 months**
- **Avg seller age**
- **172 days**
## **Competition & brand share**
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**12 **▲rising
**Sellers**
**21**
**Top-5 brand share**
**78%**
Top 20: 100%
**Top-5 click share**
**78%**
Top 20: 100%
**Open market**
**17%**
- Nutrition Geeks41% - NEW LEAF PRODUCTS14% - Horbäach8% - WeightWorld8% - G R O U N D E D COFFEE SCRUB6% - EVO NUTRITION5% - Open — no brand owns it (6 brands, 17%)
## **Demand**
Weekly Amazon search volume, last 45 weeks — -27.7% search growth over the last 90 days.
3K2KSpike '25Spike '26Sep '25Nov '25Dec '25Feb '26Mar '26May '26
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/biotin-and-collagen-supplements/trend)
## **Top biotin and collagen supplements search terms**
- **biotin and collagen supplements**72K/yr-16.9%10.0% conv. - **collagen and biotin**21K/yr-42.4%4.7% conv. - **collagen and biotin supplements for women**9K/yr-62.3%4.2% conv. - **collagen biotin**6K/yr-40.5%4.9% conv. - **biotin collagen**4K/yr-20.1%4.8% conv. - **biotin and collagen**4K/yr-49.8%6.3% conv. - **dcxc biotin and collagen**2K/yr+200.0%0.0% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/biotin-and-collagen-supplements/search-terms)
## **Top biotin and collagen supplements 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%15%£21K30%£41K45%£62K60%£83K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Biotin Hair Growth Supplement - 180 Vegan Tablets Enhanced with Zinc & Selenium Hair Vitamins Complex - Biotin 10000 mcg - Hair Skin and Nails Vitamins for Women & Men UK (Packaging Design May Vary)**Nutrition Geeks**£5.66**4.4★12,621 rev](https://www.amazon.co.uk/dp/B08XBGJMK3) [2**Biotin Hair Growth Vitamins 12 000mcg D-Biotin Tablets Enriched with Zinc & Selenium Vegan Beauty Hair Skin & Nails Vitamins for Women and Men High Strength - 3 Months Supply UK Made - New Leaf**NEW LEAF PRODUCTS**£7.13**4.5★3,465 rev](https://www.amazon.co.uk/dp/B08VWCHZYF) [3**Marine Collagen Capsules with Hyaluronic Acid Biotin & Vitamin C | Type 1 Collagen Peptides | 100% Marine | Supplement for Men & Women | 90 Count | by Horbaach**Horbäach**£7.24**4.4★115 rev](https://www.amazon.co.uk/dp/B0F7HX26P6) [4**Biotin Tablets - 365 Vegan Tablets - 1 Year Supply - 1 Tablet per Day**WeightWorld**£8.09**4.5★8,488 rev](https://www.amazon.co.uk/dp/B0817WBXKF) [5**Hair Growth Biotin Complex 10 000mcg with Marine Collagen Selenium Keratin & Zinc | x90 Tablets | Hair Growth Thickness Strength & Volume | Men & Women Hair Support Supplement**G R O U N D E D COFFEE SCRUB**£8.33**4.2★940 rev](https://www.amazon.co.uk/dp/B086D2CGRW)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Green Bears Biotin Collagen Keratin Gummies 14-in-1 Hair Skin & Nails Vitamin Complex High Strength Biotin 5000mcg Collagen Keratin 60 Gummies**GreenBears**£16.75**31 rev11mo ago](https://www.amazon.co.uk/dp/B0FM4F35XK) [**Marine Collagen Capsules with Hyaluronic Acid Biotin & Vitamin C | Type 1 Collagen Peptides | 100% Marine | Supplement for Men & Women | 90 Count | by Horbaach**Horbäach**£7.24**115 rev1y ago](https://www.amazon.co.uk/dp/B0F7HX26P6) [**Biotin Max with Zinc & Selenium | High Strength Vitamins & Minerals to Support Hair Skin & Nail Health | Vegan Food Supplement Complex | 400 Tablets for a 13 Month Supply | UK Made by EVO Nutrition**EVO NUTRITION**£7.61**313 rev3y ago](https://www.amazon.co.uk/dp/B0CBNMJHWH) [**Incite Nutrition Biotin Hair Growth Support Supplement 12 000mcg - 400 Tiny 6mm Tablets (Full Year Plus Supply) - for Men & Women**Incite Nutrition**£7.43**6,002 rev4y ago](https://www.amazon.co.uk/dp/B09LVN8B87) [**Complete Hair & Skin Support Formula: Biotin High Strength with Marine Collagen Hyaluronic Acid 35 Ingredients Advanced Vitamins & Minerals for Nails & Bones 90 Capsules UK Made GMP Certified**Dietapplements**£20.21**600 rev5y ago](https://www.amazon.co.uk/dp/B091TZZCSD)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Green Bears Biotin Collagen Keratin Gummies 14-in-1 Hair Skin & Nails Vitamin Complex High Strength Biotin 5000mcg Collagen Keratin 60 Gummies**GreenBears**£16.75**4.7★**▲ 274%**](https://www.amazon.co.uk/dp/B0FM4F35XK) [**Solgar Biotin 5000 mcg Vegetable Capsules - High Strength Formula - Supports Hair Growth Glowing Skin Energy & Vitality - Health Supplement - Sugar Free - Suitable for Vegans - Pack of 50**Solgar**£10.43**4.6★**▲ 130%**](https://www.amazon.co.uk/dp/B000CQ56JC) [**Biotin Hair Growth Vitamins 12 000mcg D-Biotin Tablets Enriched with Zinc & Selenium Vegan Beauty Hair Skin & Nails Vitamins for Women and Men High Strength - 3 Months Supply UK Made - New Leaf**NEW LEAF PRODUCTS**£7.13**4.5★**▲ 105%**](https://www.amazon.co.uk/dp/B08VWCHZYF) [**Biotin Max with Zinc & Selenium | High Strength Vitamins & Minerals to Support Hair Skin & Nail Health | Vegan Food Supplement Complex | 400 Tablets for a 13 Month Supply | UK Made by EVO Nutrition**EVO NUTRITION**£7.61**4.7★**▲ 67%**](https://www.amazon.co.uk/dp/B0CBNMJHWH) [**Marine Collagen Capsules with Hyaluronic Acid Biotin & Vitamin C | Type 1 Collagen Peptides | 100% Marine | Supplement for Men & Women | 90 Count | by Horbaach**Horbäach**£7.24**4.4★**▲ 39%**](https://www.amazon.co.uk/dp/B0F7HX26P6)
**~~View all trending →~~**
## **What buyers say about biotin and collagen supplements**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Hair Growth**23%
*“Hair growth improvement”*
**Quality-Overall**16%
*“Great product, delivers on results”*
**Value For Money**13%
*“Good value for money”*
**Ease Of Chewing/Swallowing**8%
*“They are very small to swallow which is great”*
**Vitamin**6%
*“A good selection of vitamins”*
**Ease Of Use**6%
*“easy to use”*
**Advertised Vs Actual Product**3%
*“As described and great value for money”*
**Taste-Overall**2%
*“no weird aftertaste”*
**Efficiency**2%
*“It works it's really good it's helped me a lot”*
**Thickness**2%
*“Helped with my hair thinning in menopause”*
### **What buyers complain about **
**Functionality-Overall**13%
*“Not very effective”*
**Dosage**6%
*“EXTREMELY HIGH DOSAGE”*
**Allergies**5%
*“.after taking it for 2 days my lower legs were swelling up and became very itchy and red”*
**Size-Overall**5%
*“personally I found them too big”*
**Hair Related**5%
*“Just a shame they didn't work for hair or nail health”*
**Hair Growth**4%
*“Although I didn't see a change in hair growth”*
**Thickness**4%
*“Hair has come a bit thicker”*
**Vitamin**4%
*“I am always a little unsure about rating the effectiveness of vitamins”*
**Value For Money**3%
*“Price wise this breaks down to just under 67p a day based on the current full list price of £16.99”*
**Nutritional Content**3%
*“I couldn't quite work out why my appetite had increased then I researched ingredients listed”*
## **Common questions**
- **Is biotin and collagen supplements profitable to sell on Amazon United Kingdom?**
- The niche generates £138K/yr across 12 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -27.7%. Flapen's verdict: Skip it (43/100).
- **How competitive is the biotin and collagen supplements niche?**
- 12 brands and 21 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 78% of demand.
- **What do buyers complain about in biotin and collagen supplements?**
- Top complaints mined from reviews: Functionality-Overall, Dosage, Allergies. The return rate is 0.0%.
- **What does it cost to enter the biotin and collagen supplements niche?**
- Listings span £5.66–£20.21; the average listing price is £10.15 (sweet spot $15–$100). The average incumbent carries 4,628 reviews — the moat a new listing must climb.
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