---
title: "Liquid Biotin — $13K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/liquid-biotin"
last_updated: "2026-08-12T16:11:44.584Z"
locale: en
meta:
description: "Amazon product research for liquid biotin: $13K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for liquid biotin: $13K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Liquid Biotin — $13K/mo Amazon US Product Research (2026)"
---
# **Liquid Biotin**
**Worth a look**
Shows low returns (0.0%), but soft demand (-12.1% this quarter) keeps it on the watch list.
Market size 34Growth 19Conversion 68Competition 48Returns 100Price range 75Avg price 89Brand share 77Review moat 29Quality gap 53
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$20.68**
avg listing price — sweet spot $15–$100
**Brand share**
**Great****58%**
top-5 brand share — no brand owns this niche
**Price range**
**Great****$7.57–$37.48**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****6.2%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****56%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****$161K**
$161K/yr · 126K searches
**Review moat**
**Okay****3,592.12**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-12.1%**
90-day search growth — must beat 0% to launch
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
## **Is liquid biotin profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, liquid biotin is a $161K/yr Amazon United States market (126K searches/yr). The top 5 brands hold 58% of demand. Verdict: Worth a look — 55/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **liquid biotin market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$124K–$165K**
- units × avg price
- **Conversion rate**
- **6.2%**
- **Avg BSR**
- **#911**
- **Page quality**
- **0%**
- **Prime**
- **96%**
- **Sponsored**
- **81%**
- **Out of stock**
- **2.0%**
- **Avg brand age**
- **70 months**
- **Avg seller age**
- **147 days**
## **Competition: brands, sellers & click share**
The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**22 **▲rising
**Sellers**
**555**
**Top-5 brand share**
**58%**
Top 20: 98%
**Top-5 click share**
**56%**
Top 20: 93%
**Open market**
**37%**
- NUTRAHARMONY19% - PURE RESEARCH17% - Carlyle11% - DR. BO6% - MARYRUTH'S5% - SBR Nutrition5%
## **liquid biotin demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -12.1% search growth over the last 90 days.
4K3KSpike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/health-household/liquid-biotin/trend)
## **Top liquid biotin search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **liquid biotin**36K/yr-4.2%4.9% conv. - **biotin liquid**20K/yr-13.5%5.1% conv. - **biotin drops**17K/yr-0.9%5.8% conv. - **liquid biotin and collagen**12K/yr-19.3%4.7% conv. - **liquid biotin for hair growth**13K/yr-38.8%4.2% conv. - **biotin liquid drops**7K/yr+5.3%7.3% conv. - **biotin and collagen drops**6K/yr-20.5%4.3% conv. - **liquid biotin and collagen for hair growth**7K/yr-30.4%3.4% conv. - **biotin drops for hair growth women**4K/yr-21.4%6.6% conv. - **biotin collagen drops**3K/yr+11.5%4.8% conv. [**All search terms **](https://flapen.com/research/us/health-household/liquid-biotin/search-terms)
## **Top liquid biotin products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%$8K10%$16K15%$24K20%$32K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Liquid Biotin & Collagen 60 000 mcg - Vitamins for Hair Growth Support - Extra Strength Drops for Women & Men - Liquid Collagen Supplement - Strong Nails & Healthy Skin - Raspberry Flavor 2 Fl Oz**NUTRAHARMONY**$23.27**4.5★3,699 rev](https://www.amazon.com/dp/B0BS3RJPLS) [2**PURE RESEARCH Liquid Biotin & Collagen Hair Growth Drops 60 000mcg Biotin and Liquid Collagen Supplements for Women & Men Supports Glowing Skin Healthy Hair & Nail Growth (2Fl Oz)**PURE RESEARCH**$20.51**4.4★27,452 rev](https://www.amazon.com/dp/B07FJQ32BG) [3**Carlyle Liquid Biotin 10000mcg | 2 oz | Extra Strength Drops**Carlyle**$7.57**4.3★3,076 rev](https://www.amazon.com/dp/B07GRC5KFK) [4**Liquid Biotin and Collagen Drops - Liquid Collagen Biotin for Hair Growth Women & Men Peptides Vitamin Supplements Drink - Extra Strength Vitamins Skin Nails Hair Growth Drops for Women & Men 2oz**DR. BO**$10.00**4.2★51 rev](https://www.amazon.com/dp/B0G5WZMXV1) [5**Liquid Biotin & Collagen Keratin Hyaluronic Acid Saw Palmetto Drops Vitamins for Hair Growth Support Silica Vitamin A C D Bamboo Turmeric Zinc Folate Magnesium Horsetail LuxFlo By Clean Nutra**Clean Nutraceuticals**$23.18**4.5★668 rev](https://www.amazon.com/dp/B0DK4XTXV7)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Liquid Biotin and Collagen Drops - Liquid Collagen Biotin for Hair Growth Women & Men Peptides Vitamin Supplements Drink - Extra Strength Vitamins Skin Nails Hair Growth Drops for Women & Men 2oz**DR. BO**$10.00**51 rev3mo ago](https://www.amazon.com/dp/B0G5WZMXV1) [**Pure Biotin 10000mcg Liquid Drop Hair Skin & Nails Vitamins Support**JUIWEFKK**$9.84**26 rev4mo ago](https://www.amazon.com/dp/B0GS1WJ46T) [**Zena Nutrition Premium Liquid Collagen for Women Healthier Your Skin Hair & Nail Verisol Collagen Liquid Biotin and Collagen Supplements for Women - 10oz**Zena Nutrition**$20.09**4,124 rev5mo ago](https://www.amazon.com/dp/B0GP9KWVSQ) [**Liquid Biotin & Collagen Drops with Aloe Vera Unique Formula 60 000 mcg - Vitamins for Hair Growth support Strong Nails & Radiant Skin Liquid Collagen Supplement for Women & Men 2 fl oz**4Ever Beauty**$17.78**26 rev1y ago](https://www.amazon.com/dp/B0F79JZQR4) [**Liquid Biotin & Collagen Drops - Biotin 20 000mcg - Hair Growth Vitamin Support - Biotin and Liquid Collagen Supplement for Women & Men - Glowing Skin Support Healthy Hair & Nail Growth - 2 Fl Oz**GPGP GreenPeople**$21.05**195 rev1y ago](https://www.amazon.com/dp/B0F3HZZJJ6)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Liquid Biotin and Collagen Drops - Liquid Collagen Biotin for Hair Growth Women & Men Peptides Vitamin Supplements Drink - Extra Strength Vitamins Skin Nails Hair Growth Drops for Women & Men 2oz**DR. BO**$10.00**4.2★**▲ 318%**](https://www.amazon.com/dp/B0G5WZMXV1) [**Zena Nutrition Premium Liquid Collagen for Women Healthier Your Skin Hair & Nail Verisol Collagen Liquid Biotin and Collagen Supplements for Women - 10oz**Zena Nutrition**$20.09**4.4★**▲ 317%**](https://www.amazon.com/dp/B0GP9KWVSQ) [**Pure Biotin 10000mcg Liquid Drop Hair Skin & Nails Vitamins Support**JUIWEFKK**$9.84**4.4★**▲ 278%**](https://www.amazon.com/dp/B0GS1WJ46T) [**Liquid Biotin and Collagen 15000Mcg Natural Berry Flavor Drops for Hair Skin Nails z (Pack of 2)**Generic**$24.81**4.4★**▲ 127%**](https://www.amazon.com/dp/B0DM5463YM) [**Liquid Biotin & Collagen 60 000 mcg - Vitamins for Hair Growth Support - Extra Strength Drops for Women & Men - Liquid Collagen Supplement - Strong Nails & Healthy Skin - Raspberry Flavor 4 Fl Oz**NUTRAHARMONY**$37.48**4.5★**▲ 125%**](https://www.amazon.com/dp/B0CXTGWR6K)
**~~View all trending →~~**
## **What reviews say buyers love and hate about liquid biotin**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Taste-Overall**26%
*“It tastes amazing”*
**Hair Growth**15%
*“Crazy hair growth”*
**Quality-Overall**9%
*“quality product that is easy to use every day”*
**Vitamin**9%
*“Great vitamin supplement”*
**Flavor**5%
*“Silky smooth and decent flavor”*
**Ease Of Use**4%
*“Easy peasy”*
**Value For Money**3%
*“Worth every penny”*
**Skin Health**2%
*“and healthier skin”*
**Efficiency**2%
*“But I think Its effective”*
**Energy Level**2%
*“Gives me a boost of energy”*
### **What buyers complain about **
**Taste-Overall**22%
*“Taste was nasty”*
**Value For Money**7%
*“Quite expensive”*
**Vitamin**4%
*“I would not recommend this vitamin”*
**Side Effects**4%
*“explosive, painful diarrhea from this and I literally never get headaches”*
**Functionality-Overall**3%
*“ZERO RESULTS AFTER MONTHS”*
**Dosage**3%
*“the biotin dosage is way too high”*
**Leak-Proof**3%
*“Leaked”*
**Flavor**2%
*“It tastes like light berry, slightly artificial”*
**Smell**2%
*“smell are chemicals”*
**Thickness**2%
*“The consistency is extremely thick”*
### **Top return reasons **
**Leak-Proof**29%
**Functionality-Overall**11%
**Acid Regulator/Stomach Ache Relief**11%
**Taste-Overall**11%
**Value For Money**11%
**Joint Pain**7%
**Contamination**4%
**Vitamin**4%
**Sleep Quality**4%
**Product Condition**4%
## **Common liquid biotin questions**
- **Is liquid biotin profitable to sell on Amazon United States?**
- The niche generates $161K/yr across 26 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -12.1%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the liquid biotin niche?**
- 22 brands and 555 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 58% of demand.
- **What do buyers complain about in liquid biotin?**
- Top complaints mined from reviews: Taste-Overall, Value For Money, Vitamin. The return rate is 0.0%.
- **When does demand for liquid biotin peak?**
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- **What does it cost to enter the liquid biotin niche?**
- Listings span $7.57–$37.48; the average listing price is $20.68 (sweet spot $15–$100). The average incumbent carries 3,592 reviews — the moat a new listing must climb.
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