vitamin b7
Skip itA concentrated shelf (top 5 take 81% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Great7.4%search→purchase rate — share of searches ending in a sale
Avg price
Good$14.80avg listing price — sweet spot $15–$100
Price range
Good$6.29–$27.42cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$133K$133K/yr · 121K searches
Brand share
Bad91%top-5 brand share — brand-locked demand
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-7.7%90-day search growth — must beat 0% to launch
Review moat
Bad17,662.09avg incumbent reviews — the moat a new listing must climb
Competition
Bad81%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, vitamin b7 is a $133K/yr Amazon United States market (121K searches/yr). The top 5 brands hold 91% of demand. Verdict: Skip it — 40/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
vitamin b7 market data
- Units sold / yr
- 8K–10K
- avg 750–1,000/product
- Revenue / yr
- $118K–$148K
- units × avg price
- Conversion rate
- 7.4%
- Avg BSR
- #261
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 91%
- Out of stock
- 0.0%
- Avg brand age
- 78 months
- Avg seller age
- 152 days
Competition & brand share
The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 falling
Sellers
54
Top-5 brand share
91%
Top 20: 100%
Top-5 click share
81%
Top 20: 100%
Open market
5%
- Nutricost50%
- Nature's Bounty20%
- Vitamatic10%
- NUTRAHARMONY6%
- THORNE4%
- Nature Made4%
- Open — no brand owns it (2 brands, 5%)
Demand & seasonality
Weekly Amazon search volume, last 102 weeks — -7.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.2×
Top vitamin b7 search terms
- vitamin b734K/yr
- b7 vitamins23K/yr
- biotin b711K/yr
- nutricost biotin6K/yr
- vitamina b75K/yr
- biotin vitamin b74K/yr
- nutricost biotin 10 000 mcg3K/yr
- vitamin b7 biotin supplements3K/yr
Top vitamin b7 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 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Nutricost Biotin (Vitamin B7) 10 000mcg (10mg) 240 Capsules Quick Release
Nutricost$12.804.7★18,400 rev
Natures Bounty Biotin Hair Skin and Nails Vitamins Supports Healthy Hair Skin and Nails 10 000 mcg 120 Softgels (Pack of 1)
Nature's Bounty$7.984.7★121,987 rev
Vitamatic Biotin 10 000 mcg (10 mg) for Stronger Hair Skin & Nails - 365 Vegan Tablets- Also Called Vitamin B7
Vitamatic$9.734.8★1,709 rev
Biotin Collagen Hyaluronic Acid & Keratin - Hair Growth Support - 60 Caps
NUTRAHARMONY$26.474.5★18,852 rev
Nutricost Biotin (Vitamin B7) 10 000mcg (10mg) 120 Capsules Gluten-Free
Nutricost$9.694.7★18,400 rev
Newest
by launch dateVitamatic Biotin 10 000 mcg (10 mg) for Stronger Hair Skin & Nails - 365 Vegan Tablets- Also Called Vitamin B7
Vitamatic$9.731,709 rev
Biotin Collagen Hyaluronic Acid & Keratin - Hair Growth Support - 60 Caps
NUTRAHARMONY$26.4718,852 rev
Nutricost Biotin for Women (10 000mcg) 120 Capsules with Folate & Collagen
Nutricost$11.75363 rev
Vitamatic Biotin Gummies 10 000 mcg 60 Vegan Gummies Raspberry Flavor
Vitamatic$9.694,322 rev
Nutricost Biotin (Vitamin B7) 10 000mcg (10mg) 240 Capsules Quick Release
Nutricost$12.8018,400 rev
Trending
90-day click momentumNutricost Biotin (Vitamin B7) 10 000mcg (10mg) 120 Capsules Gluten-Free
Nutricost$9.694.7★
Vitamatic Biotin 10 000 mcg (10 mg) for Stronger Hair Skin & Nails - 365 Vegan Tablets- Also Called Vitamin B7
Vitamatic$9.734.8★
Nutricost Biotin for Women (10 000mcg) 120 Capsules with Folate & Collagen
Nutricost$11.754.6★
THORNE - Biotin - Vitamin B7 Supplement for Healthy Hair Nails Skin & Metabolism - Supports Nerve Health* - Third-Party Certified - Gluten Dairy & Soy-Free - 60 Capsules
THORNE$27.424.7★
Natures Bounty Biotin Hair Skin and Nails Vitamins Supports Healthy Hair Skin and Nails 10 000 mcg 120 Softgels (Pack of 1)
Nature's Bounty$7.984.7★
What buyers say about vitamin b7
What buyers praise and complain about, mined from review topics.What buyers love
“Helps with hair growth”
“Great produces”
“I love this vitamin supplement”
“Great value”
“Works well”
“AS DESCRIBED”
“Just swallow quickly”
“Great taste easy to chew”
“Easy & Convenient”
“Skin looks and feels smoother”
What buyers complain about
“Took it for a month and no results”
“taste is nasty”
“Doesnt work on hair”
“Allergic”
“capsules arent NEARLY as effective”
“The stench was overwhelming”
“Not appropriate for those with excess of Vitamin D”
“no new visible hair growth at all”
“Poor Quality Control”
“had side effects”
Top return reasons
Common questions
- Is vitamin b7 profitable to sell on Amazon United States?
- The niche generates $133K/yr across 11 tracked products. 90-day search growth is -7.7%. Flapen's verdict: Skip it (40/100).
- How competitive is the vitamin b7 niche?
- 8 brands and 54 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 91% of demand.
- What do buyers complain about in vitamin b7?
- Top complaints mined from reviews: Functionality-Overall, Taste-Overall, Hair Related. The return rate is 0.0%.
- When does demand for vitamin b7 peak?
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- What does it cost to enter the vitamin b7 niche?
- Listings span $6.29–$27.42; the average listing price is $14.80 (sweet spot $15–$100). The average incumbent carries 17,662 reviews — the moat a new listing must climb.