---
title: "Supplements — £71K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/supplements"
last_updated: "2026-07-31T11:21:40.789Z"
locale: en
meta:
description: "Niche score 44/100 · £71K/yr market · 256K searches/yr · £10.12 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · £71K/yr market · 256K searches/yr · £10.12 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Supplements — £71K/yr Amazon UK Niche (2026) - Flapen"
---
# **supplements**
**Skip it**
A small market ($71K/yr) — this niche doesn't clear our bar today.
Market size 18Growth 18Conversion 34Competition 73Returns 100Price range 44Avg price 34Brand share 49Review moat 22Quality gap 43
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Competition**
**Good****41%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****76%**
top-5 brand share — brands hold most of the demand
**Price range**
**Okay****£2.65–£24.80**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Okay****2.7%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Okay****£10.12**
avg listing price — sweet spot $15–$100
**Review moat**
**Bad****9,288.48**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****£71K**
£71K/yr · 256K searches
**Growth**
**Bad****-14.7%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, supplements is a £71K/yr Amazon United Kingdom market (256K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Jan. Verdict: Skip it — 44/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **supplements market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **£61K–£81K**
- units × avg price
- **Conversion rate**
- **2.7%**
- **Avg BSR**
- **#10**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **98%**
- **Out of stock**
- **0.4%**
- **Avg brand age**
- **61 months**
- **Avg seller age**
- **160 days**
## **Competition & brand share**
The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**22 **▼falling
**Sellers**
**159**
**Top-5 brand share**
**76%**
Top 20: 99%
**Top-5 click share**
**41%**
Top 20: 81%
**Open market**
**20%**
- Nutrition Geeks48% - WeightWorld8% - Zipvit7% - NEW LEAF PRODUCTS7% - HealthEssent6% - Free Soul5%
## **Demand & seasonality**
Weekly Amazon search volume, last 69 weeks — -14.7% search growth over the last 90 days.
7K5KPrime Day '25Spike '25Spike '26 seasonAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Jan · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/supplements/trend)
## **Top supplements search terms**
- **supplements**164K/yr-10.8%2.1% conv. - **vitamins for tiredness and fatigue**24K/yr-13.7%4.3% conv. - **supplement**16K/yr-17.5%0.9% conv. - **heights vitamins**12K/yr-22.9%0.5% conv. - **vit**11K/yr-2.8%0.2% conv. - **energy vitamins**7K/yr-21.8%4.3% conv. - **single vitamins**10K/yr-61.3%0.2% conv. - **energy supplements for women**4K/yr-6.4%3.2% conv. - **vitamins for energy and tiredness**3K/yr-34.4%5.7% conv. - **suppliments**2K/yr-23.9%2.7% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/supplements/search-terms)
## **Top 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%4%£3K8%£6K12%£8K16%£11K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Magnesium Glycinate 3-in-1 Complex - 1800mg Supplements as Bisglycinate Citrate & Malate 90 Vegan Capsules Triple High Absorption 384mg Elemental UK Made**Nutrition Geeks**£8.11**4.5★35,795 rev](https://www.amazon.co.uk/dp/B0C9VVCL12) [2**Iron Tablets High Strength - Energy Tablets with Vitamin C B12 & Folic Acid - 120 Vegan Iron Supplements for Women and Men - 14mg - Enhanced Energy Support & Increased Absorption - UK Made**Nutrition Geeks**£5.66**4.6★8,989 rev](https://www.amazon.co.uk/dp/B09C8NP57H) [3**Zipvit Omega 3 Fish Oil 2000mg EPA 660mg DHA 440mg Wild-Caught Cold Water Fish Supports Heart Brain & Vision 120 Softgels 2 Months Supply**Zipvit**£8.14**4.6★20,714 rev](https://www.amazon.co.uk/dp/B07649WV5Y) [4**Turmeric Tablets 2000mg with Black Pepper & Ginger - 120 High Strength Curcumin Supplements - Easy Swallow Tablets (Not Turmeric Capsules or Powder) - Vegan - UK Made**Nutrition Geeks**£5.62**4.6★16,054 rev](https://www.amazon.co.uk/dp/B088W5HWVX) [5**Vitamin D3 4000 iu & Vitamin K2 MK7 100g - 1 Year Supply 365 Easy-Swallow Vitamin D3 K2 Tablets 1-A-Day High Strength Vegetarian D3 and K2 Vitamin Supplements UK Made Vitamin D Tablets**Nutrition Geeks**£7.95**4.6★17,521 rev](https://www.amazon.co.uk/dp/B0CR57HRDV)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Apple Cider Vinegar Capsules 15 000mg with Mother & 30% Acetic Acid - Enhanced with Chromium & Cayenne Pepper - 90 Vegan Capsules (Not Apple Cider Vinegar Gummies or Liquid) Teeth Friendly - UK Made**Nutrition Geeks**£8.24**996 rev5mo ago](https://www.amazon.co.uk/dp/B0GQ4VLGJC) [**Beetroot Capsules 5100mg - High Strength Beetroot Supplement 180 Vegan Capsules - Nitric Oxide - Enriched with Black Pepper Made in The UK By New Leaf**NEW LEAF PRODUCTS**£8.22**1,895 rev1y ago](https://www.amazon.co.uk/dp/B0DTV59FSY) [**Pure Creatine Monohydrate Powder - 315g (90 Servings) - Easy Dissolve Creatine Powder Unflavoured & Micronised (Not Creatine Gummies or Creatine Tablets) Vegan Creatine for Women and Men**Nutrition Geeks**£8.18**5,215 rev1y ago](https://www.amazon.co.uk/dp/B0DQQDZGCW) [**Shilajit Seamoss and Lions Mane Capsules 11500mg 3-in-1 Brain & Focus Supplement with Ashwagandha & Black Pepper High Strength Lions Mane Shilajit Blend for Energy & Immunity 120 Vegan Capsules**HealthEssent**£10.44**531 rev1y ago](https://www.amazon.co.uk/dp/B0DDJR5125) [**Seven Seas JointCare Essential With Omega-3 Glucosamine Chondroitin Vitamins C and D Manganese and Zinc Food Supplements 30-Day Pack**SEVEN SEAS**£5.66**847 rev2y ago](https://www.amazon.co.uk/dp/B0D7988975)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Testosterone Supplements for Men - 180 Vegan Tablets - 3 Months Supply**WeightWorld**£18.60**4.4★**▲ 224%**](https://www.amazon.co.uk/dp/B0BT85QTFQ) [**Apple Cider Vinegar Capsules 15 000mg with Mother & 30% Acetic Acid - Enhanced with Chromium & Cayenne Pepper - 90 Vegan Capsules (Not Apple Cider Vinegar Gummies or Liquid) Teeth Friendly - UK Made**Nutrition Geeks**£8.24**4.4★**▲ 159%**](https://www.amazon.co.uk/dp/B0GQ4VLGJC) [**Seven Seas JointCare Essential With Omega-3 Glucosamine Chondroitin Vitamins C and D Manganese and Zinc Food Supplements 30-Day Pack**SEVEN SEAS**£5.66**4.5★**▲ 94%**](https://www.amazon.co.uk/dp/B0D7988975) [**Pure Creatine Monohydrate Powder - 315g (90 Servings) - Easy Dissolve Creatine Powder Unflavoured & Micronised (Not Creatine Gummies or Creatine Tablets) Vegan Creatine for Women and Men**Nutrition Geeks**£8.18**4.5★**▲ 57%**](https://www.amazon.co.uk/dp/B0DQQDZGCW) [**Omega 3 Fish Oil 2000mg - 660mg EPA & 440mg DHA - 240 Softgels**WeightWorld**£15.24**4.6★**▲ 56%**](https://www.amazon.co.uk/dp/B084G5XC29)
**~~View all trending →~~**
## **What buyers say about supplements**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“the capsules feel high quality”*
**Value For Money**13%
*“Amazing value”*
**Sleep Quality**7%
*“HELPS WITH SLEEP”*
**Ease Of Chewing/Swallowing**6%
*“Easy to Swallow”*
**Advertised Vs Actual Product**5%
*“As Advertised”*
**Vitamin**5%
*“Healthy vitamin”*
**Ease Of Use**4%
*“Ease of use”*
**Taste-Overall**3%
*“no weird taste”*
**Magnesium**3%
*“best magnesium”*
**Efficiency**2%
*“Works perfectly”*
### **What buyers complain about **
**Taste-Overall**7%
*“The aftertaste is awful”*
**Functionality-Overall**6%
*“Did not work”*
**Dosage**6%
*“the misleading dosage”*
**Side Effects**5%
*“Bad side effects”*
**Size-Overall**5%
*“They are huge”*
**Sleep Quality**5%
*“still cant sleep”*
**Acid Regulator/Stomach Ache Relief**4%
*“Caused bloating”*
**Value For Money**3%
*“Too expensive”*
**Smell**3%
*“Unpleasant stench”*
**Magnesium**3%
*“It is not your ordinary magnesium”*
### **Top return reasons **
**Dosage**17%
**Magnesium**17%
**Joint Pain**17%
**Vitamin**17%
**Certifications**17%
**Value For Money**17%
## **Common questions**
- **Is supplements profitable to sell on Amazon United Kingdom?**
- The niche generates £71K/yr across 40 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -14.7%. Flapen's verdict: Skip it (44/100).
- **How competitive is the supplements niche?**
- 22 brands and 159 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 76% of demand.
- **What do buyers complain about in supplements?**
- Top complaints mined from reviews: Taste-Overall, Functionality-Overall, Dosage. The return rate is 0.1%.
- **When does demand for supplements peak?**
- Demand peaks in Jan; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the supplements niche?**
- Listings span £2.65–£24.80; the average listing price is £10.12 (sweet spot $15–$100). The average incumbent carries 9,288 reviews — the moat a new listing must climb.
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