---
title: "Biotin with Keratin — $97K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/biotin-with-keratin"
last_updated: "2026-08-07T09:40:56.399Z"
locale: en
meta:
description: "Niche score 46/100 · $97K/yr market · 48K searches/yr · $19.10 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $97K/yr market · 48K searches/yr · $19.10 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Biotin with Keratin — $97K/yr Amazon US Niche (2026) - Flapen"
---
# **biotin with keratin**
**Skip it**
Soft demand (-18.8% this quarter) — this niche doesn't clear our bar today.
Market size 24Growth 16Conversion 90Competition 26Returns 100Price range 81Avg price 85Brand share 51Review moat 20Quality gap 30
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****10.6%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$19.10**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$8.00–$49.31**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****74%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****70%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Bad****$97K**
$97K/yr · 48K searches
**Review moat**
**Bad****12,478.8**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-18.8%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, biotin with keratin is a $97K/yr Amazon United States market (48K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Oct. Verdict: Skip it — 46/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **biotin with keratin market data**
- **Units sold / yr**
- **4K–5K**
- avg 250–500/product
- **Revenue / yr**
- **$76K–$96K**
- units × avg price
- **Conversion rate**
- **10.6%**
- **Avg BSR**
- **#371**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **80%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **66 months**
- **Avg seller age**
- **150 days**
## **Competition & brand share**
The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**13 **▼falling
**Sellers**
**550**
**Top-5 brand share**
**74%**
Top 20: 100%
**Top-5 click share**
**70%**
Top 20: 100%
**Open market**
**21%**
- Carlyle32% - NUTRAHARMONY18% - Walgreens10% - VITBOOST8% - Nature's Truth6% - NeoCell5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -18.8% search growth over the last 90 days.
2K1KSpike '24Black Friday '24Spike '25Prime Day '25 seasonSepDecMarJunAugNovMarMay
Peak months: Oct · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/health-household/biotin-with-keratin/trend)
## **Top biotin with keratin search terms**
- **biotin and keratin supplements**14K/yr-15.2%6.4% conv. - **biotin keratin**8K/yr+4.5%7.4% conv. - **biotin with keratin**9K/yr-13.4%6.2% conv. - **biotin and keratin**6K/yr-4.6%7.2% conv. - **biotin keratin supplement**7K/yr-60.2%7.5% conv. - **biotin plus keratin**4K/yr-40.2%5.2% conv. [**All search terms **](https://flapen.com/research/us/health-household/biotin-with-keratin/search-terms)
## **Top biotin with keratin 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%10%$10K20%$19K30%$29K40%$39K101001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Carlyle Biotin 10000mcg | 150 Capsules | Beauty Formula with Keratin**Carlyle**$9.95**4.6★875 rev](https://www.amazon.com/dp/B0B6578H37) [2**Biotin | Collagen | Hyaluronic Acid | Keratin - Hair Growth & Strength Support Vitamins - Skin & Nails Supplement - Clinically Tested for Men & Women - 25000mcg Vitamins B1 B2 B3 B6 & B7 - 60 Caps**NUTRAHARMONY**$26.49**4.5★18,756 rev](https://www.amazon.com/dp/B09RKDGYJD) [3**Walgreens Biotin + Keratin | 150 Count Tablets | 10mg of Biotin + 100mg of Keratin | Hair Skin and Nail Support Supplement**Walgreens**$17.86**4.7★53 rev](https://www.amazon.com/dp/B0D8B6GWBF) [4**VITBOOST Biotin with Hyaluronic Acid Collagen and Keratin 25000 mcg Hair Growth Vitamins for Men and Women Nails and Skin USA Made - Third Party Tested B1 B2 B3 B6 B7 Complex - 60 Capsules**VITBOOST**$18.83**4.6★3,676 rev](https://www.amazon.com/dp/B0CF9Y1DM6) [5**Natures Truth Beauty Complex | 5000 mcg of Biotin | 50 Capsules**Nature's Truth**$9.03**4.6★361 rev](https://www.amazon.com/dp/B072PT5XY2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**StrongVit Biotin with Hyaluronic Acid Keratin and Collagen Supplements - 10000mcg for Hair Growth Women and Men - Hair Skin and Nails Vitamins - 60 Capsules**StrongVit**$12.64**390 rev9mo ago](https://www.amazon.com/dp/B0FJ8RZ55V) [**NeoCell Biotin Complex Hair Skin & Nails | 90 Capsules**NeoCell**$9.96**108 rev1y ago](https://www.amazon.com/dp/B0F5J2JGCG) [**Vitboost Biotin with Hyaluronic Acid Collagen and Keratin 25000 mcg Hair Growth Vitamins for Men and Women Nails and Skin USA Made - Third Party Tested B1 B2 B3 B6 B7 Complex - 120 Capsules**VITBOOST**$33.86**3,676 rev1y ago](https://www.amazon.com/dp/B0F1CRX7PD) [**Biotin | Collagen | Hyaluronic Acid | Keratin - Support Normal Hair Growth Cycle Skin & Nails - Clinically Tested - 25000mcg Vitamins B1 B2 B3 B6 & B7 - for Women & Men - 120 Capsules**NUTRAHARMONY**$49.31**18,756 rev1y ago](https://www.amazon.com/dp/B0DJBQW5FG) [**Walgreens Biotin + Keratin | 150 Count Tablets | 10mg of Biotin + 100mg of Keratin | Hair Skin and Nail Support Supplement**Walgreens**$17.86**53 rev2y ago](https://www.amazon.com/dp/B0D8B6GWBF)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Vitboost Biotin with Hyaluronic Acid Collagen and Keratin 25000 mcg Hair Growth Vitamins for Men and Women Nails and Skin USA Made - Third Party Tested B1 B2 B3 B6 B7 Complex - 120 Capsules**VITBOOST**$33.86**4.6★**▲ 339%**](https://www.amazon.com/dp/B0F1CRX7PD) [**Biotin | Collagen | Hyaluronic Acid | Keratin - Support Normal Hair Growth Cycle Skin & Nails - Clinically Tested - 25000mcg Vitamins B1 B2 B3 B6 & B7 - for Women & Men - 120 Capsules**NUTRAHARMONY**$49.31**4.5★**▲ 169%**](https://www.amazon.com/dp/B0DJBQW5FG) [**StrongVit Biotin with Hyaluronic Acid Keratin and Collagen Supplements - 10000mcg for Hair Growth Women and Men - Hair Skin and Nails Vitamins - 60 Capsules**StrongVit**$12.64**4.6★**▲ 60%**](https://www.amazon.com/dp/B0FJ8RZ55V) [**OLLY Ultra Strength Hair Softgels Supports Hair Health Biotin Keratin Vitamin D B12 Hair Supplement 30 Day Supply - 30 Count (Packaging May Vary)**OLLY**$17.78**4.3★**▲ 32%**](https://www.amazon.com/dp/B08LQZNF8H) [**VITBOOST Biotin with Hyaluronic Acid Collagen and Keratin 25000 mcg Hair Growth Vitamins for Men and Women Nails and Skin USA Made - Third Party Tested B1 B2 B3 B6 B7 Complex - 60 Capsules**VITBOOST**$18.83**4.6★**▲ 16%**](https://www.amazon.com/dp/B0CF9Y1DM6)
**~~View all trending →~~**
## **What buyers say about biotin with keratin**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Hair Growth**28%
*“Noticeable hair growth”*
**Quality-Overall**17%
*“Excellent product”*
**Vitamin**10%
*“Great vitamin for fine health”*
**Value For Money**5%
*“Great value”*
**Efficiency**5%
*“Effective”*
**Ease Of Chewing/Swallowing**4%
*“Great taste, chewables”*
**Advertised Vs Actual Product**4%
*“As Advertised”*
**Skin Health**3%
*“Skin looks and feels smoother”*
**Ease Of Use**3%
*“Easy to use”*
**Strength**2%
*“Powerful”*
### **What buyers complain about **
**Functionality-Overall**10%
*“No results”*
**Dosage**7%
*“After doing some research the dosage in these is insanely high”*
**Hair Related**7%
*“I ruined my hair”*
**Value For Money**5%
*“not worth it”*
**Allergies**5%
*“Allergic”*
**Hair Growth**4%
*“no new visible hair growth at all”*
**Taste-Overall**4%
*“Horrible after taste”*
**Side Effects**4%
*“not worth the side effects I experienced”*
**Smell**3%
*“yeah theres a little strong smell”*
**Size-Overall**3%
*“The capsule is too big”*
### **Top return reasons **
**Ingredients-Overall**26%
**Taste-Overall**9%
**Acid Regulator/Stomach Ache Relief**9%
**Value For Money**9%
**Product Condition**9%
**Maintenance And Repair**4%
**Certifications**4%
**Strength**4%
**Advertised Vs Actual Product**4%
**Skin Health**4%
## **Common questions**
- **Is biotin with keratin profitable to sell on Amazon United States?**
- The niche generates $97K/yr across 15 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -18.8%. Flapen's verdict: Skip it (46/100).
- **How competitive is the biotin with keratin niche?**
- 13 brands and 550 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 74% of demand.
- **What do buyers complain about in biotin with keratin?**
- Top complaints mined from reviews: Functionality-Overall, Dosage, Hair Related. The return rate is 0.0%.
- **When does demand for biotin with keratin peak?**
- Demand peaks in Oct; the busiest month runs 1.7× the quietest.
- **What does it cost to enter the biotin with keratin niche?**
- Listings span $8.00–$49.31; the average listing price is $19.10 (sweet spot $15–$100). The average incumbent carries 12,479 reviews — the moat a new listing must climb.
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