Riboflavin 5 Phosphate
FailThe top 5 products take 100% of clicks, so Riboflavin 5 Phosphate is a Fail.
- Flapen Score
- 42 / 100Ranks 11,318 of 14,768 Health & Household niches · −7 vs the category median of 4942
- Market size
- $74K/yr29K searches / yr
- 90-day growth
- +3.9%search demand this quarter
- Competition
- 100%top-5 click share · 5 brands · 7 sellers
Flapen Score
Riboflavin 5 Phosphate against its category
The dotted line is the Health & Household average. Past it, Riboflavin 5 Phosphate is stronger. Inside it, weaker.
Market
The Riboflavin 5 Phosphate market on Amazon at a glance
Shoppers on Amazon United States searched for Riboflavin 5 Phosphate 29K times last year and spent an estimated $74K. All 5 brands take every click. Flapen scores it 42 out of 100, a Fail.
01 · Demand
An estimated 12.9% of those searches ended in a purchase.
Shoppers searched for this 29K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.9% of those searches ended in a purchase. Searches in the last 90 days moved +3.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $74K a year.
- Searches, last 12 months
- 29K
- Growth, 90 days vs prior 90
- +3.9%
- Conversion, latest week
- 12.9%
- Market size, estimated
- $74Ka year
- Top search term
- riboflavin 5 phosphate12K searches a year
02 · Price
A sale here is worth $19.69.
Listings sell for $19.69 on average, from $13.71 to $30.99. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 750 to 1,000 of them. At $19.69 that is $15K to $20K a year per listing.
- Average price
- $19.69inside the $15 to $100 sweet spot
- Price range
- $13.71–$30.99
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 750–1,000
- Revenue per listing a year
- $15K–$20K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #33 within Vitamin B. It carries 266 reviews at 4.60 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #33in Vitamin B
- Average rating
- 4.60 starsAmazon United States average 4.42 stars
- Average reviews
- 266per listing
- Listings tracked
- 5
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 102 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 102 months
Products
Top Riboflavin 5 Phosphate products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 28, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
THORNE - Riboflavin 5-Phosphate - Bioactive Tissue Ready Form of Vitamin B2 for Methylation Support* - Vitamin B2 Supplement - Third-Party Certified - Gluten Dairy & Soy-Free - 60 Capsules
- Price
- $30.99
- Rating
- 4.8/5
- Reviews
- 586
- Age
- 24y ago

Nutricost R-5-P (Riboflavin-5-Phosphate) (Vitamin B2) 50mg 120 Capsules
- Price
- $15.68
- Rating
- 4.7/5
- Reviews
- 100
- Age
- 1y ago

Swanson R-5-P (Riboflavin-5-Phosphate) - Vitamin B2 Supplement Promoting Energy Metabolism & Vision Health - Natural Wellness Formula - (60 Capsules)
- Price
- $13.71
- Rating
- 4.5/5
- Reviews
- 212
- Age
- 11y ago

Seeking Health Riboflavin - Vitamin B2 Supplement for Methylation Support - Support Homocysteine Metabolism with Antioxidant Ingredients - 400 mg 60 Capsules
- Price
- $24.34
- Rating
- 4.6/5
- Reviews
- 395
- Age
- 12y ago

Vitamatic R-5-P Riboflavin-5-Phosphate (Vitamin B2) 50 mg | 120 Capsules | High Potency Easy-to-Swallow Vegetarian Capsules
- Price
- $13.71
- Rating
- 4.4/5
- Reviews
- 35
- Age
- 1y ago
Trending
estimated 90-day click momentum
Vitamatic R-5-P Riboflavin-5-Phosphate (Vitamin B2) 50 mg | 120 Capsules | High Potency Easy-to-Swallow Vegetarian Capsules
- Price
- $13.71
- Rating
- 4.4/5
- Reviews
- 35
- Age
- 1y ago

THORNE - Riboflavin 5-Phosphate - Bioactive Tissue Ready Form of Vitamin B2 for Methylation Support* - Vitamin B2 Supplement - Third-Party Certified - Gluten Dairy & Soy-Free - 60 Capsules
- Price
- $30.99
- Rating
- 4.8/5
- Reviews
- 586
- Age
- 24y ago

Nutricost R-5-P (Riboflavin-5-Phosphate) (Vitamin B2) 50mg 120 Capsules
- Price
- $15.68
- Rating
- 4.7/5
- Reviews
- 100
- Age
- 1y ago

Seeking Health Riboflavin - Vitamin B2 Supplement for Methylation Support - Support Homocysteine Metabolism with Antioxidant Ingredients - 400 mg 60 Capsules
- Price
- $24.34
- Rating
- 4.6/5
- Reviews
- 395
- Age
- 12y ago

Swanson R-5-P (Riboflavin-5-Phosphate) - Vitamin B2 Supplement Promoting Energy Metabolism & Vision Health - Natural Wellness Formula - (60 Capsules)
- Price
- $13.71
- Rating
- 4.5/5
- Reviews
- 212
- Age
- 11y ago
Newest
by launch date
Vitamatic R-5-P Riboflavin-5-Phosphate (Vitamin B2) 50 mg | 120 Capsules | High Potency Easy-to-Swallow Vegetarian Capsules
- Price
- $13.71
- Rating
- 4.4/5
- Reviews
- 35
- Age
- 1y ago

Nutricost R-5-P (Riboflavin-5-Phosphate) (Vitamin B2) 50mg 120 Capsules
- Price
- $15.68
- Rating
- 4.7/5
- Reviews
- 100
- Age
- 1y ago

Swanson R-5-P (Riboflavin-5-Phosphate) - Vitamin B2 Supplement Promoting Energy Metabolism & Vision Health - Natural Wellness Formula - (60 Capsules)
- Price
- $13.71
- Rating
- 4.5/5
- Reviews
- 212
- Age
- 11y ago

Seeking Health Riboflavin - Vitamin B2 Supplement for Methylation Support - Support Homocysteine Metabolism with Antioxidant Ingredients - 400 mg 60 Capsules
- Price
- $24.34
- Rating
- 4.6/5
- Reviews
- 395
- Age
- 12y ago

THORNE - Riboflavin 5-Phosphate - Bioactive Tissue Ready Form of Vitamin B2 for Methylation Support* - Vitamin B2 Supplement - Third-Party Certified - Gluten Dairy & Soy-Free - 60 Capsules
- Price
- $30.99
- Rating
- 4.8/5
- Reviews
- 586
- Age
- 24y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 100% of clicks. A locked shelf that new listings rarely crack.
Brands
5 flat
Sellers
7
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
100%
Top 20: 100%
Open market
0%
- THORNE64%
- Nutricost19%
- Swanson6%
- Seeking Health5%
- Vitamatic5%
- Open — no brand owns it (0%)
Demand
Riboflavin 5 Phosphate search demand
Weekly searches over the year. Pick a range.
Search terms
Top Riboflavin 5 Phosphate search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- riboflavin 5 phosphate12K/yr
- r5p7K/yr
- thorne riboflavin 5-phosphate5K/yr
- thorne b23K/yr
- thorne riboflavin3K/yr
Reviews and returns
What reviews say buyers love and hate about Riboflavin 5 Phosphate
We read the reviews and the return reasons for every product selling here.
“Cheap mystery chemical”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
14 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Riboflavin 5 Phosphate questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









