Riboflavin 400mg
prices mostly outside the sweet spot ($4.63–$15.81) — Riboflavin 400mg doesn't clear our bar today.
Flapen Score
Is Riboflavin 400mg profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Riboflavin 400mg is a £76K/yr Amazon United Kingdom market (45K searches/yr). The top 5 brands hold 90% of demand. Verdict: Skip it — 40/100.
Riboflavin 400mg: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -14.9% over the last 90 days and 15.9% of searches end in a purchase.
£76K
revenue / yr
Who owns the niche?
The top 5 brands hold 90% of demand, so 10% of the market is open.
10%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.
0/100
page quality · 8 products
Top Riboflavin 400mg products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Vitamin B2 Riboflavin 400mg Migraine Support 120 Capsules 4 Months Supply
- Price
- £13.37
- Rating
- 4.6/5
- Reviews
- 801
- Age
- 3y ago

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
- Price
- £11.00
- Rating
- 4.3/5
- Reviews
- 75
- Age
- 1y ago

Nutricost Vitamin B2 (Riboflavin) 400mg 120 Capsules - Gluten Free Non-GMO Energy Boost Premium Quality
- Price
- £13.19
- Rating
- 4.6/5
- Reviews
- 14,807
- Age
- 9y ago

MigraSoothe Original Vitamin B2 Riboflavin 400mg Capsules for Adults - High Strength Daily Supplement for Migraine Wellness Routine and Energy Metabolism - Vegan Made in UK 30 Capsules
- Price
- £10.87
- Rating
- 4.3/5
- Reviews
- 113
- Age
- 4y ago

Vitamin B2 Riboflavin 200mg | 120 Vegan Tablets (4 Months Supply) | High Strength Supplement | No Artificial Preservatives | by Horbaach
- Price
- £8.47
- Rating
- 4.6/5
- Reviews
- 50
- Age
- 1y ago
Trending
90-day click momentum
Vitamin B2 Riboflavin Supplement 60 Vegan Tablets for Men & Women High Strength Made in the UK
- Price
- £4.63
- Rating
- 3.4/5
- Reviews
- 4
- Age
- 8mo ago

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
- Price
- £11.00
- Rating
- 4.3/5
- Reviews
- 75
- Age
- 1y ago

MigraSoothe Original Vitamin B2 Riboflavin 400mg Capsules for Adults - High Strength Daily Supplement for Migraine Wellness Routine and Energy Metabolism - Vegan Made in UK 30 Capsules
- Price
- £10.87
- Rating
- 4.3/5
- Reviews
- 113
- Age
- 4y ago

Solgar Vitamin B2 (Riboflavin) 100 mg Vegetable Capsules - Pack of 100 - Supports Energy Production - Can Help Reduce Tiredness and Fatigue - Vegan and Gluten-Free
- Price
- £7.95
- Rating
- 4.6/5
- Reviews
- 1,887
- Age
- 16y ago

Vitamin B2 Riboflavin 200mg | 120 Vegan Tablets (4 Months Supply) | High Strength Supplement | No Artificial Preservatives | by Horbaach
- Price
- £8.47
- Rating
- 4.6/5
- Reviews
- 50
- Age
- 1y ago
Newest
by launch date
Vitamin B2 Riboflavin Supplement 60 Vegan Tablets for Men & Women High Strength Made in the UK
- Price
- £4.63
- Rating
- 3.4/5
- Reviews
- 4
- Age
- 8mo ago

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
- Price
- £11.00
- Rating
- 4.3/5
- Reviews
- 75
- Age
- 1y ago

Vitamin B2 Riboflavin 200mg | 120 Vegan Tablets (4 Months Supply) | High Strength Supplement | No Artificial Preservatives | by Horbaach
- Price
- £8.47
- Rating
- 4.6/5
- Reviews
- 50
- Age
- 1y ago

Vitamin B2 Riboflavin 400mg Migraine Support 120 Capsules 4 Months Supply
- Price
- £13.37
- Rating
- 4.6/5
- Reviews
- 801
- Age
- 3y ago

MigraSoothe Original Vitamin B2 Riboflavin 400mg Capsules for Adults - High Strength Daily Supplement for Migraine Wellness Routine and Energy Metabolism - Vegan Made in UK 30 Capsules
- Price
- £10.87
- Rating
- 4.3/5
- Reviews
- 113
- Age
- 4y ago
Competition: brands, sellers & click share
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.
Brands
8 rising
Sellers
17
Top-5 brand share
90%
Top 20: 100%
Top-5 click share
90%
Top 20: 100%
Open market
6%
- Health4All40%
- MetaSuperfoods20%
- Nutricost18%
- Bespoke Biotics7%
- Horbäach5%
- ARC) HEALTH+NUTRITION WWW.ARCHEALTHNUTRITION.CO.UK4%
- Open — no brand owns it (2 brands, 6%)
Riboflavin 400mg demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.4×
Top Riboflavin 400mg search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- riboflavin 400mg24K/yr
- vitamin b2 riboflavin 400mg12K/yr
- riboflavin 400mg migraine6K/yr
- vitamin b2 400mg4K/yr
What reviews say buyers love and hate about Riboflavin 400mg
What buyers mention most, as a share of all reviews.
What buyers love
86% of reviews“Good value for money”
“Easy to swallow”
“Good quality”
“As described”
“Really good I have noticed a difference in my energy levels”
What buyers complain about
72% of reviews“Unfortunately these had the opposite effect on me”
“Warning your pee will be luminous yellow”
“Very small box”
“Watch out packing product causes very smelly trumps”
“Caused me anxiety for some reason”
Riboflavin 400mg return rate & reasons
Why buyers send it back, as a share of all return requests.
0.0%
Return rate
0%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Riboflavin 400mg questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.









