---
title: "Vitamin B2 — £101K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/vitamin-b2"
last_updated: "2026-07-31T13:13:55.787Z"
locale: en
meta:
description: "Niche score 46/100 · £101K/yr market · 69K searches/yr · £11.35 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · £101K/yr market · 69K searches/yr · £11.35 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Vitamin B2 — £101K/yr Amazon UK Niche (2026) - Flapen"
---
# **vitamin b2**
**Skip it**
Soft demand (-7.3% this quarter) — this niche doesn't clear our bar today.
Market size 25Growth 21Conversion 95Competition 24Returns 100Price range 41Avg price 45Brand share 46Review moat 47Quality gap 43
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****12.8%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****1,823.35**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****78%**
top-5 brand share — brands hold most of the demand
**Avg price**
**Okay****£11.35**
avg listing price — sweet spot $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Price range**
**Okay****£4.63–£22.31**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****£101K**
£101K/yr · 69K searches
**Competition**
**Bad****71%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-7.3%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, vitamin b2 is a £101K/yr Amazon United Kingdom market (69K searches/yr). The top 5 brands hold 78% of demand. Verdict: Skip it — 46/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **vitamin b2 market data**
- **Units sold / yr**
- **8K–10K**
- avg 250–500/product
- **Revenue / yr**
- **£91K–£114K**
- units × avg price
- **Conversion rate**
- **12.8%**
- **Avg BSR**
- **#8**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **82%**
- **Out of stock**
- **8.1%**
- **Avg brand age**
- **68 months**
- **Avg seller age**
- **174 days**
## **Competition & brand share**
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**14 **▲rising
**Sellers**
**23**
**Top-5 brand share**
**78%**
Top 20: 100%
**Top-5 click share**
**71%**
Top 20: 100%
**Open market**
**16%**
- Health4All29% - Solgar23% - Nutricost10% - MetaSuperfoods9% - Horbäach7% - FuelFinity7% - Open — no brand owns it (8 brands, 16%)
## **Demand & seasonality**
Weekly Amazon search volume, last 102 weeks — -7.3% search growth over the last 90 days.
2K2KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/vitamin-b2/trend)
## **Top vitamin b2 search terms**
- **vitamin b2**27K/yr-2.1%11.7% conv. - **b2 vitamin**14K/yr-1.0%11.3% conv. - **riboflavin**16K/yr-22.3%10.8% conv. - **vitamin b2 riboflavin**3K/yr+16.2%10.3% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/vitamin-b2/search-terms)
## **Top vitamin b2 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%£10K20%£20K30%£30K40%£40K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Solgar Vitamin B2 (Riboflavin) 100 mg Vegetable Capsules - Pack of 100 - Supports Energy Production - Can Help Reduce Tiredness and Fatigue - Vegan and Gluten-Free**Solgar**£7.95**4.6★1,887 rev](https://www.amazon.co.uk/dp/B00020IAJG) [2**Vitamin B2 Riboflavin 400mg Migraine Support 120 Capsules 4 Months Supply**Health4All**£13.37**4.6★801 rev](https://www.amazon.co.uk/dp/B0BSGXX59V) [3**Nutricost Vitamin B2 (Riboflavin) 400mg 120 Capsules - Gluten Free Non-GMO Energy Boost Premium Quality**Nutricost**£13.19**4.6★14,807 rev](https://www.amazon.co.uk/dp/B01IG5JH90) [4**Vitamin B2 Riboflavin | 400mg Migraine Support 180 Capsules | 6 Months Supply | Vegan High Strength Riboflavin Supplement | Liposomal Delivery for Maximum Absorption | Non-GMO | UK Company**MetaSuperfoods**£11.00**4.3★75 rev](https://www.amazon.co.uk/dp/B0F7T9LSCB) [5**Vitamin B2 Riboflavin 200mg | 120 Vegan Tablets (4 Months Supply) | High Strength Supplement | No Artificial Preservatives | by Horbaach**Horbäach**£8.47**4.6★50 rev](https://www.amazon.co.uk/dp/B0DXVNJQN6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vitamin B2 Riboflavin Supplement 60 Vegan Tablets for Men & Women High Strength Made in the UK**ARC) HEALTH+NUTRITION WWW.ARCHEALTHNUTRITION.CO.UK**£4.63**4 rev8mo ago](https://www.amazon.co.uk/dp/B0G39ZHC3T) [**Vitamin B2 Riboflavin | 400mg Migraine Support 180 Capsules | 6 Months Supply | Vegan High Strength Riboflavin Supplement | Liposomal Delivery for Maximum Absorption | Non-GMO | UK Company**MetaSuperfoods**£11.00**75 rev1y ago](https://www.amazon.co.uk/dp/B0F7T9LSCB) [**FuelFinity Vitamin B2 Riboflavin 100mg - for Energy & Migraine Relief Support - 90 Days Supply - Made in UK Vegan No additives**FuelFinity**£8.06**397 rev1y ago](https://www.amazon.co.uk/dp/B0F15QSKYF) [**Vitamin B2 Riboflavin 200mg | 120 Vegan Tablets (4 Months Supply) | High Strength Supplement | No Artificial Preservatives | by Horbaach**Horbäach**£8.47**50 rev1y ago](https://www.amazon.co.uk/dp/B0DXVNJQN6) [**Vitamin B2 Riboflavin 400mg Migraine Support 120 Capsules 4 Months Supply**Health4All**£13.37**801 rev3y ago](https://www.amazon.co.uk/dp/B0BSGXX59V)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**FuelFinity Vitamin B2 Riboflavin 100mg - for Energy & Migraine Relief Support - 90 Days Supply - Made in UK Vegan No additives**FuelFinity**£8.06**4.5★**▲ 119%**](https://www.amazon.co.uk/dp/B0F15QSKYF) [**Vitamin B2 Riboflavin Supplement 60 Vegan Tablets for Men & Women High Strength Made in the UK**ARC) HEALTH+NUTRITION WWW.ARCHEALTHNUTRITION.CO.UK**£4.63**3.4★**▲ 108%**](https://www.amazon.co.uk/dp/B0G39ZHC3T) [**Vitamin B2 Riboflavin | 400mg Migraine Support 180 Capsules | 6 Months Supply | Vegan High Strength Riboflavin Supplement | Liposomal Delivery for Maximum Absorption | Non-GMO | UK Company**MetaSuperfoods**£11.00**4.3★**▲ 97%**](https://www.amazon.co.uk/dp/B0F7T9LSCB) [**Metabolics Riboflavin 5-Phosphate 47.5mg | Active Vitamin B2 for Energy Vision & Nervous System | UK Made GMP Certified | Vegan | 60 Capsules**Metabolics**£18.23**4.9★**▲ 60%**](https://www.amazon.co.uk/dp/B00NEKLDG8) [**Nutravita Vitamin B Complex High Potency - 1 Full Year Supply - 8 Vitamins B1-B2-B3-B5-B6-B12 Biotin Folic Acid & VIT D3 in 1 High Strength Micro Tablet - Reduction of Tiredness - Made in The UK**Nutravita**£11.38**4.6★**▲ 43%**](https://www.amazon.co.uk/dp/B07K4RBYSB)
**~~View all trending →~~**
## **What buyers say about vitamin b2**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**20%
*“Good Value”*
**Vitamin**15%
*“Honestly best vitamins I have invested in”*
**Ease Of Chewing/Swallowing**12%
*“Easy to swallow”*
**Quality-Overall**9%
*“Its good produ”*
**Energy Level**8%
*“I am using it now it has given me more energy not feeling more tired any more”*
**Advertised Vs Actual Product**4%
*“As described”*
**Natural Ingredients**4%
*“A natural product”*
**Size-Overall**4%
*“Good tablet size for anyone to take”*
**Efficiency**3%
*“Very effective”*
**Dosage**2%
*“Hoping Ill feel the benefits of taking it soon”*
### **What buyers complain about **
**Side Effects**11%
*“I needed to take a lower dose first and then work up to these because the side effects where too extreme at first, making me feel dizzy and light headed”*
**Smell**11%
*“They smell so bad”*
**Color**8%
*“Warning your pee will be luminous yellow”*
**Value For Money**7%
*“Expensive 6 week mistake”*
**Size-Overall**6%
*“Very small box”*
**Dosage**6%
*“Its near impossible in the UK to find this dose of B12 in one capsule. most places only do 100mg capsules at most”*
**Functionality-Overall**5%
*“Doesn't work”*
**Quality-Overall**5%
*“Poor”*
**Vitamin**5%
*“Your body is filtering out unused vitamins”*
**Stress/Anxiety**5%
*“Caused me anxiety for some reason”*
### **Top return reasons **
**Color**50%
**Vitamin**50%
## **Common questions**
- **Is vitamin b2 profitable to sell on Amazon United Kingdom?**
- The niche generates £101K/yr across 17 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -7.3%. Flapen's verdict: Skip it (46/100).
- **How competitive is the vitamin b2 niche?**
- 14 brands and 23 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 78% of demand.
- **What do buyers complain about in vitamin b2?**
- Top complaints mined from reviews: Side Effects, Smell, Color. The return rate is 0.1%.
- **When does demand for vitamin b2 peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the vitamin b2 niche?**
- Listings span £4.63–£22.31; the average listing price is £11.35 (sweet spot $15–$100). The average incumbent carries 1,823 reviews — the moat a new listing must climb.
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