riboflavin 200mg
Skip itA concentrated shelf (top 5 take 86% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible15.6%search→purchase rate — share of searches ending in a sale
Avg price
Good$14.54avg listing price — sweet spot $15–$100
Price range
Good$6.14–$30.99cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$107K$107K/yr · 47K searches
Review moat
Bad4,868.63avg incumbent reviews — the moat a new listing must climb
Growth
Bad-10.4%90-day search growth — must beat 0% to launch
Brand share
Bad92%top-5 brand share — brand-locked demand
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Competition
Bad86%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, riboflavin 200mg is a $107K/yr Amazon United States market (47K searches/yr). The top 5 brands hold 92% of demand. Verdict: Skip it — 40/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
riboflavin 200mg market data
- Units sold / yr
- 6K–8K
- avg 750–1,000/product
- Revenue / yr
- $87K–$116K
- units × avg price
- Conversion rate
- 15.6%
- Avg BSR
- #150
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 50%
- Out of stock
- 0.0%
- Avg brand age
- 98 months
- Avg seller age
- 178 days
Competition & brand share
The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 falling
Sellers
26
Top-5 brand share
92%
Top 20: 100%
Top-5 click share
86%
Top 20: 100%
Open market
3%
- Carlyle46%
- Nutricost20%
- Nature's Bounty12%
- ForestLeaf8%
- THORNE6%
- NOW Foods5%
- Open — no brand owns it (1 brand, 3%)
Demand & seasonality
Weekly Amazon search volume, last 87 weeks — -10.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top riboflavin 200mg search terms
- riboflavin 200mg23K/yr
- vitamin b2 200mg17K/yr
- b2 200mg8K/yr
Top riboflavin 200mg 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 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Carlyle Vitamin B2 200mg | 150 Count | Riboflavin
Carlyle$10.024.7★493 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
Nutricost Vitamin B2 (Riboflavin) 100mg 120 Capsules Gluten Free
Nutricost$9.864.7★5,453 rev
Nutricost Vitamin B2 (Riboflavin) 400mg 120 Capsules Gluten Free
Nutricost$14.624.7★16,288 rev
ForestLeaf Vitamin B2 Riboflavin 400mg - Energy Skin & Cellular Health Supplement - Nervous System Support - Vitamin B 2 VIT B - Non-GMO & Gluten Free - B2 Vitamin 400mg Vegetable Capsules 90 Count
ForestLeaf$16.824.7★10,803 rev
Newest
by launch date
BulkSupplements.com Riboflavin Capsules - 200mg 240 Count (Pack of 1)
BulkSupplements$19.791 rev
Carlyle Vitamin B2 200mg | 150 Count | Riboflavin
Carlyle$10.02493 rev
ForestLeaf Vitamin B2 Riboflavin 400mg - Energy Skin & Cellular Health Supplement - Nervous System Support - Vitamin B 2 VIT B - Non-GMO & Gluten Free - B2 Vitamin 400mg Vegetable Capsules 90 Count
ForestLeaf$16.8210,803 rev
Nutricost Vitamin B2 (Riboflavin) 100mg 120 Capsules Gluten Free
Nutricost$9.865,453 rev
Nutricost Vitamin B2 (Riboflavin) 400mg 120 Capsules Gluten Free
Nutricost$14.6216,288 rev
Trending
90-day click momentumBulkSupplements.com Riboflavin Capsules - 200mg 240 Count (Pack of 1)
BulkSupplements$19.795.0★
NOW 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★
Nutricost Vitamin B2 (Riboflavin) 400mg 120 Capsules Gluten Free
Nutricost$14.624.7★
What buyers say about riboflavin 200mg
What buyers praise and complain about, mined from review topics.What buyers love
“It has been of a consistent quality”
“This vitamin is easy to swallow”
“Theyre affordable”
“As advertised and prompt delivery”
“Easy to swallow”
“efficient”
“it helped boost my energy”
“The 100mg dosage is perfect for my needs”
“I feel great taking this”
“I've only been taking for 2 days so I'm excited to see the outcome”
What buyers complain about
“But does make my urine very yellow”
“I hope no one smelled it”
“Although the capsules are large”
“Finding 400 mg was a challenge”
“It was advertise to help you sleep. It did absolutely nothing for me.”
“Dont work”
“Photos of the product doesnt help me at all”
“I had a severe allergic reaction to this”
“this contains magnesium stearate a known migraine trigger”
“I noticed less energy”
Top return reasons
Common questions
- Is riboflavin 200mg profitable to sell on Amazon United States?
- The niche generates $107K/yr across 8 tracked products. 90-day search growth is -10.4%. Flapen's verdict: Skip it (40/100).
- How competitive is the riboflavin 200mg niche?
- 7 brands and 26 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 92% of demand.
- What do buyers complain about in riboflavin 200mg?
- Top complaints mined from reviews: Color, Smell, Size-Overall. The return rate is 0.0%.
- When does demand for riboflavin 200mg peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the riboflavin 200mg niche?
- Listings span $6.14–$30.99; the average listing price is $14.54 (sweet spot $15–$100). The average incumbent carries 4,869 reviews — the moat a new listing must climb.