vitamin b2 100mg
Skip itA concentrated shelf (top 5 take 87% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible18.9%search→purchase rate — share of searches ending in a sale
Price range
Good$6.14–$30.99cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good$12.18avg listing price — sweet spot $15–$100
Review moat
Okay1,747.56avg incumbent reviews — the moat a new listing must climb
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Market size
Okay$117K$117K/yr · 51K searches
Growth
Bad-11.3%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad87%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, vitamin b2 100mg is a $117K/yr Amazon United States market (51K searches/yr). The top 5 brands hold 87% of demand. Verdict: Skip it — 41/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
vitamin b2 100mg market data
- Units sold / yr
- 10K–13K
- avg 1,250–1,500/product
- Revenue / yr
- $122K–$152K
- units × avg price
- Conversion rate
- 18.9%
- Avg BSR
- #393
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 44%
- Out of stock
- 0.0%
- Avg brand age
- 109 months
- Avg seller age
- 167 days
Competition & brand share
The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 flat
Sellers
31
Top-5 brand share
87%
Top 20: 100%
Top-5 click share
87%
Top 20: 100%
Open market
9%
- Nutricost39%
- Nature's Bounty25%
- NOW Foods14%
- Solgar5%
- Horbäach4%
- Best Naturals4%
- Open — no brand owns it (3 brands, 9%)
Demand & seasonality
Weekly Amazon search volume, last 102 weeks — -11.3% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top vitamin b2 100mg search terms
- b2 100mg13K/yr
- vitamin b2 100mg19K/yr
- riboflavin 100mg13K/yr
- b-2 vitamin 100mg4K/yr
- b2 vitamins 100mg3K/yr
Top vitamin b2 100mg 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.
All 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Nutricost Vitamin B2 (Riboflavin) 100mg 120 Capsules Gluten Free
Nutricost$9.864.7★5,453 rev
Natures Bounty Vitamin B B-2 Vitamin 100mg as Riboflavin Supplement Aids Energy Metabolism 100 Vegetarian Coated Tablets 100 Day Supply
Nature's Bounty$8.094.7★1,134 rev
NOW Supplements Vitamin B-2 (Riboflavin) 100 mg Energy Production* 100 Veg Capsules
NOW Foods$6.144.7★4,191 rev
Solgar Vitamin B2 (Riboflavin) 100mg 100 Vegetable Capsules - Energy Metabolism Healthy Nervous System - Non-GMO Vegan Gluten Free Dairy Free Kosher - 100 Servings
Solgar$9.614.7★1,936 rev
Horbach Vitamin B2 100mg | 180 Capsules | Riboflavin Supplement
Horbäach$6.594.7★282 rev
Newest
by launch date
Doc Mila Vitamin B2 100mg Gummies for Adults and Kids - Riboflavin 100 mg Gummy - VIT B2 Supplements
Doc Mila$20.41126 rev
Horbach Vitamin B2 100mg | 180 Capsules | Riboflavin Supplement
Horbäach$6.59282 rev
Nutricost Vitamin B2 (Riboflavin) 100mg 120 Capsules Gluten Free
Nutricost$9.865,453 rev
Natures Bounty Vitamin B B-2 Vitamin 100mg as Riboflavin Supplement Aids Energy Metabolism 100 Vegetarian Coated Tablets 100 Day Supply
Nature's Bounty$8.091,134 rev
Best Naturals Vitamin B2 (Riboflavin) 100 mg 180 Tablets - Premium Formula - 3rd Party Lab Tested
Best Naturals$9.681,014 rev
Trending
90-day click momentumNOW Supplements Vitamin B-2 (Riboflavin) 100 mg Energy Production* 100 Veg Capsules
NOW Foods$6.144.7★
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
THORNE$30.994.8★
Natures Bounty Vitamin B B-2 Vitamin 100mg as Riboflavin Supplement Aids Energy Metabolism 100 Vegetarian Coated Tablets 100 Day Supply
Nature's Bounty$8.094.7★
Best Naturals Vitamin B2 (Riboflavin) 100 mg 180 Tablets - Premium Formula - 3rd Party Lab Tested
Best Naturals$9.684.7★
Natures Way Riboflavin Vitamin B2 Cellular Energy Support* 100 ct
Nature's Way$8.294.7★
What buyers say about vitamin b2 100mg
What buyers praise and complain about, mined from review topics.What buyers love
“it has the top-notch quality I've come to expect”
“This b2 vitamin supplement is amazing”
“Theyre affordable”
“No aftertaste”
“Easy to swallow”
“efficient”
“The supplement gives me energy”
“Great supplement”
“Works as Expected”
“Great quality ingredients from a name-brand I've come to trust with my vitamin needs”
What buyers complain about
“Makes you pee yellow”
“distinct smell when you open the bottle”
“Tiny”
“Dont work”
“When I got the package it does not say any thing about vitamin B. Just B2”
“the capsules are too big for 100 mg”
“No noticeable taste or smell”
“Not correct as shown”
“My body shut down for a nap”
“not necessarily the best quality or the cheapest. if that is important to you”
Top return reasons
Common questions
- Is vitamin b2 100mg profitable to sell on Amazon United States?
- The niche generates $117K/yr across 9 tracked products. 90-day search growth is -11.3%. Flapen's verdict: Skip it (41/100).
- How competitive is the vitamin b2 100mg niche?
- 9 brands and 31 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 87% of demand.
- What do buyers complain about in vitamin b2 100mg?
- Top complaints mined from reviews: Color, Smell, Size-Overall. The return rate is 0.0%.
- When does demand for vitamin b2 100mg peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the vitamin b2 100mg niche?
- Listings span $6.14–$30.99; the average listing price is $12.18 (sweet spot $15–$100). The average incumbent carries 1,748 reviews — the moat a new listing must climb.