---
title: "Vitamin B7 — $133K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/vitamin-b7"
last_updated: "2026-08-10T02:52:54.902Z"
locale: en
meta:
description: "Niche score 40/100 · $133K/yr market · 121K searches/yr · $14.80 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · $133K/yr market · 121K searches/yr · $14.80 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Vitamin B7 — $133K/yr Amazon US Niche (2026) - Flapen"
---
# **vitamin b7**
**Skip it**
A concentrated shelf (top 5 take 81% of clicks) — this niche doesn't clear our bar today.
Market size 30Growth 21Conversion 77Competition 16Returns 100Price range 59Avg price 73Brand share 23Review moat 18Quality gap 22
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****7.4%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Good****$14.80**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$6.29–$27.42**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$133K**
$133K/yr · 121K searches
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-7.7%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****17,662.09**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****81%**
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 ~~](https://flapen.com/research/methodology)
## **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.
3K2KSpike '25Prime Day '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/health-household/vitamin-b7/trend)
## **Top vitamin b7 search terms**
- **vitamin b7**34K/yr+0.3%7.0% conv. - **b7 vitamins**23K/yr-9.5%7.2% conv. - **biotin b7**11K/yr-24.2%6.5% conv. - **nutricost biotin**6K/yr-4.4%14.1% conv. - **vitamina b7**5K/yr+0.1%1.8% conv. - **biotin vitamin b7**4K/yr+0.2%8.3% conv. - **nutricost biotin 10 000 mcg**3K/yr-3.3%19.2% conv. - **vitamin b7 biotin supplements**3K/yr-55.0%7.2% conv. [**All search terms **](https://flapen.com/research/us/health-household/vitamin-b7/search-terms)
## **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.
0%15%$20K30%$40K45%$60K60%$80K1001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Nutricost Biotin (Vitamin B7) 10 000mcg (10mg) 240 Capsules Quick Release**Nutricost**$12.80**4.7★18,400 rev](https://www.amazon.com/dp/B01AMJCHB8) [2**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**$7.98**4.7★121,987 rev](https://www.amazon.com/dp/B009SZXM4E) [3**Vitamatic Biotin 10 000 mcg (10 mg) for Stronger Hair Skin & Nails - 365 Vegan Tablets- Also Called Vitamin B7**Vitamatic**$9.73**4.8★1,709 rev](https://www.amazon.com/dp/B0CC66P3P9) [4**Biotin Collagen Hyaluronic Acid & Keratin - Hair Growth Support - 60 Caps**NUTRAHARMONY**$26.47**4.5★18,852 rev](https://www.amazon.com/dp/B09RKDGYJD) [5**Nutricost Biotin (Vitamin B7) 10 000mcg (10mg) 120 Capsules Gluten-Free**Nutricost**$9.69**4.7★18,400 rev](https://www.amazon.com/dp/B0CZ4H3LCG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vitamatic Biotin 10 000 mcg (10 mg) for Stronger Hair Skin & Nails - 365 Vegan Tablets- Also Called Vitamin B7**Vitamatic**$9.73**1,709 rev3y ago](https://www.amazon.com/dp/B0CC66P3P9) [**Biotin Collagen Hyaluronic Acid & Keratin - Hair Growth Support - 60 Caps**NUTRAHARMONY**$26.47**18,852 rev4y ago](https://www.amazon.com/dp/B09RKDGYJD) [**Nutricost Biotin for Women (10 000mcg) 120 Capsules with Folate & Collagen**Nutricost**$11.75**363 rev4y ago](https://www.amazon.com/dp/B09XJC3Z8F) [**Vitamatic Biotin Gummies 10 000 mcg 60 Vegan Gummies Raspberry Flavor**Vitamatic**$9.69**4,322 rev5y ago](https://www.amazon.com/dp/B0982H9YC7) [**Nutricost Biotin (Vitamin B7) 10 000mcg (10mg) 240 Capsules Quick Release**Nutricost**$12.80**18,400 rev10y ago](https://www.amazon.com/dp/B01AMJCHB8)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Nutricost Biotin (Vitamin B7) 10 000mcg (10mg) 120 Capsules Gluten-Free**Nutricost**$9.69**4.7★**▲ 53%**](https://www.amazon.com/dp/B0CZ4H3LCG) [**Vitamatic Biotin 10 000 mcg (10 mg) for Stronger Hair Skin & Nails - 365 Vegan Tablets- Also Called Vitamin B7**Vitamatic**$9.73**4.8★**▲ 49%**](https://www.amazon.com/dp/B0CC66P3P9) [**Nutricost Biotin for Women (10 000mcg) 120 Capsules with Folate & Collagen**Nutricost**$11.75**4.6★**▲ 32%**](https://www.amazon.com/dp/B09XJC3Z8F) [**THORNE - Biotin - Vitamin B7 Supplement for Healthy Hair Nails Skin & Metabolism - Supports Nerve Health* - Third-Party Certified - Gluten Dairy & Soy-Free - 60 Capsules**THORNE**$27.42**4.7★**▲ 21%**](https://www.amazon.com/dp/B0797CG5R8) [**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**$7.98**4.7★**— 8%**](https://www.amazon.com/dp/B009SZXM4E)
**~~View all trending →~~**
## **What buyers say about vitamin b7**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Hair Growth**24%
*“Helps with hair growth”*
**Quality-Overall**16%
*“Great produces”*
**Vitamin**9%
*“I love this vitamin supplement”*
**Value For Money**8%
*“Great value”*
**Efficiency**5%
*“Works well”*
**Advertised Vs Actual Product**5%
*“AS DESCRIBED”*
**Ease Of Chewing/Swallowing**5%
*“Just swallow quickly”*
**Taste-Overall**4%
*“Great taste easy to chew”*
**Ease Of Use**3%
*“Easy & Convenient”*
**Skin Health**3%
*“Skin looks and feels smoother”*
### **What buyers complain about **
**Functionality-Overall**8%
*“Took it for a month and no results”*
**Taste-Overall**7%
*“taste is nasty”*
**Hair Related**6%
*“Doesnt work on hair”*
**Allergies**5%
*“Allergic”*
**Dosage**5%
*“capsules arent NEARLY as effective”*
**Smell**5%
*“The stench was overwhelming”*
**Vitamin**4%
*“Not appropriate for those with excess of Vitamin D”*
**Hair Growth**4%
*“no new visible hair growth at all”*
**Quality-Overall**3%
*“Poor Quality Control”*
**Side Effects**3%
*“had side effects”*
### **Top return reasons **
**Ingredients-Overall**33%
**Acid Regulator/Stomach Ache Relief**17%
**Advertised Vs Actual Product**13%
**Functionality-Overall**8%
**Certifications**8%
**Satisfaction/Pleasure**8%
**Quality-Overall**4%
**Dosage**4%
**Smell**4%
## **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.
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