---
title: "B Complex Liquid — $584K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/b-complex-liquid"
last_updated: "2026-08-06T21:18:26.573Z"
locale: en
meta:
description: "Niche score 58/100 · $584K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 58/100 · $584K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "B Complex Liquid — $584K/yr Amazon US Niche (2026) - Flapen"
---
# **b complex liquid**
**Worth a look**
Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 63Growth 24Conversion 76Competition 44Returns 100Price range 77Avg price 84Brand share 71Review moat 36Quality gap 37
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$18.73**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$6.83–$42.23**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****7.3%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Good****63%**
top-5 brand share — brands hold most of the demand
**Market size**
**Good****$584K**
$584K/yr · 428K searches
**Competition**
**Okay****59%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****2,927.85**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-2.4%**
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%")
According to Flapen's Amazon United States niche tracking, b complex liquid is a $584K/yr Amazon United States market (428K searches/yr). The top 5 brands hold 63% of demand. Demand peaks in Nov. Verdict: Worth a look — 58/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **b complex liquid market data**
- **Units sold / yr**
- **30K–40K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$562K–$749K**
- units × avg price
- **Conversion rate**
- **7.3%**
- **Avg BSR**
- **#191**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **85%**
- **Out of stock**
- **3.1%**
- **Avg brand age**
- **91 months**
- **Avg seller age**
- **156 days**
## **Competition & brand share**
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**23 **▲rising
**Sellers**
**86**
**Top-5 brand share**
**63%**
Top 20: 97%
**Top-5 click share**
**59%**
Top 20: 94%
**Open market**
**34%**
- NUTRAHARMONY18% - MARYRUTH'S15% - NUSAVA13% - Venture Pal10% - Double Wood Supplements7% - Triquetra Health4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -2.4% search growth over the last 90 days.
15K10KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Nov · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/health-household/b-complex-liquid/trend)
## **Top b complex liquid search terms**
- **b complex liquid**69K/yr+8.6%6.2% conv. - **vitamin b complex liquid**50K/yr+0.3%6.6% conv. - **liquid vitamin b complex**36K/yr+11.8%6.6% conv. - **liquid b complex**33K/yr-10.6%6.4% conv. - **sublingual b complex**31K/yr-18.5%6.3% conv. - **b complex sublingual**17K/yr+11.8%4.3% conv. - **liquid b vitamins**17K/yr+20.5%3.9% conv. - **vitamin b liquid**16K/yr+20.9%4.0% conv. - **liquid vitamin b**16K/yr+15.5%4.3% conv. - **mary ruth b complex**18K/yr-2.4%12.1% conv. [**All search terms **](https://flapen.com/research/us/health-household/b-complex-liquid/search-terms)
## **Top b complex liquid 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%4%$23K8%$47K12%$70K16%$93K101001K10K 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**USDA Organic Vitamin B-Complex 20000mcg - B5 B12 B1 B6 B7 B9 B3 - 2Oz**NUTRAHARMONY**$22.51**4.4★7,709 rev](https://www.amazon.com/dp/B0CKT5PGPN) [2**MARYRUTHS Organics Vitamin B Complex | B Vitamins Complex | Biotin | Vitamin B12 | Niacin | Folate | Metabolic Support Supplement | Vegan | USDA Organic | Non-GMO | Gluten Free | 2 Month Supply**MARYRUTH'S**$21.92**4.7★8,825 rev](https://www.amazon.com/dp/B07N18PJLJ) [3**NUSAVA (2 Pack) Vitamin B12 Liquid Drops with B6 B1 Niacin & Folate B12 Sublingual Vitamin B Complex Methylcobalamin 5000 mcg for Energy Brain & Heart Support Raspberry Flavor 80 Servings**NUSAVA**$25.04**4.5★8,208 rev](https://www.amazon.com/dp/B0C9JX95NV) [4**Venture Pal Vitamin B Complex Liquid Drops B12 Methylcobalamin | B9 Folic | B1 B2 B3 B5 B6 B7 - Vitamin C Choline Inositol Immune & Energy Metabolism Brain & Heart Support**Venture Pal**$16.20**4.6★1,226 rev](https://www.amazon.com/dp/B0DS233X1F) [5**Double Wood Supplements Liquid Vitamin B Complex - 2 Month Supply - Max Absorption - B3 B6 B7 (Biotin) B9 and Vitamin B12 - Cherry Flavor - 2 FL OZ**Double Wood Supplements**$7.95**4.5★710 rev](https://www.amazon.com/dp/B0CW3RYWTV)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Newpie Vitamin B Complex Liquid Drops - B12 Methylcobalamin B6 B1 Niacin & Folate Biotin Vitamin C Choline Inositol CoQ10 & Taurine - Methylated Sublingual for Energy & Focus - Vegan Organic**Newpie**$20.22**54 rev4mo ago](https://www.amazon.com/dp/B0GT3JHKZ4) [**BioActive Vitamin B Complex - Blood Stream Ready Methylated B Complex - Featuring Methylfolate 3 BioActive Forms of B12 BenfoPure B1 & Pantesin B5 - 12 B Vitamins in Clinical Doses - Liquid 8 oz**Triquetra Health**$24.06**1,719 rev5mo ago](https://www.amazon.com/dp/B0GLQ9DRQ6) [**VivoNu Vitamin B Complex Vitamin B12 Liquid Drops Methylated Vitamin B1 B6 B3 B5 B2 Folate Biotin Choline Inositol with Vitamin C D A E Magnesium Zinc CoQ10 Non-GMO 2fl oz**VivoNu**$11.66**197 rev7mo ago](https://www.amazon.com/dp/B0G8GFRGCP) [**Vitamin B Complex Liquid Drops for Women Men & Kids 15-in-1 VIT B Complex with Vitamin C B12 B6 B1 Niacin Folate Magnesium for Brain Nerve Neuropathy Energy Mood Health Sublingual B-Complex Drops**JUIWEFKK**$10.01**191 rev9mo ago](https://www.amazon.com/dp/B0FXF9FY1P) [**(2-Pack) Methylated B Complex Liquid Drops - Vitamin B Complex with Active L Methylfolate - B12 Sublingual Drops - Vegan B12 Vitamin 5000mcg Non-GMO Raspberry Flavor No Sugar 2 Fl oz 80 Servings**NUSAVA**$23.46**151 rev9mo ago](https://www.amazon.com/dp/B0FCH1W1PT)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Newpie Vitamin B Complex Liquid Drops - B12 Methylcobalamin B6 B1 Niacin & Folate Biotin Vitamin C Choline Inositol CoQ10 & Taurine - Methylated Sublingual for Energy & Focus - Vegan Organic**Newpie**$20.22**4.4★**▲ 343%**](https://www.amazon.com/dp/B0GT3JHKZ4) [**BioActive Vitamin B Complex - Blood Stream Ready Methylated B Complex - Featuring Methylfolate 3 BioActive Forms of B12 BenfoPure B1 & Pantesin B5 - 12 B Vitamins in Clinical Doses - Liquid 8 oz**Triquetra Health**$24.06**4.7★**▲ 338%**](https://www.amazon.com/dp/B0GLQ9DRQ6) [**(2-Pack) Methylated B Complex Liquid Drops - Vitamin B Complex with Active L Methylfolate - B12 Sublingual Drops - Vegan B12 Vitamin 5000mcg Non-GMO Raspberry Flavor No Sugar 2 Fl oz 80 Servings**NUSAVA**$23.46**4.6★**▲ 234%**](https://www.amazon.com/dp/B0FCH1W1PT) [**Methylated B Complex - 5000 mcg Methylcobalamin B12 & 5-MTHF Folate 1000 mcg - Vitamin B Complex Liquid Drops with B3 B6 Beetroot Hawthorn - Energy Focus Heart & Brain Sugar-Free 2 Fl Oz**Mulittea**$21.32**4.5★**▲ 83%**](https://www.amazon.com/dp/B0FL1PFK3V) [**VivoNu Vitamin B Complex Vitamin B12 Liquid Drops Methylated Vitamin B1 B6 B3 B5 B2 Folate Biotin Choline Inositol with Vitamin C D A E Magnesium Zinc CoQ10 Non-GMO 2fl oz**VivoNu**$11.66**4.3★**▲ 76%**](https://www.amazon.com/dp/B0G8GFRGCP)
**~~View all trending →~~**
## **What buyers say about b complex liquid**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Vitamin**16%
*“Excellent vitamin”*
**Taste-Overall**13%
*“The taste is smooth”*
**Energy Level**12%
*“Good energy”*
**Quality-Overall**12%
*“The quality and the favor was exactly what was advertised”*
**Ease Of Use**5%
*“easy daily use”*
**Value For Money**4%
*“Not expensive”*
**Flavor**3%
*“The flavor is very yummy”*
**Advertised Vs Actual Product**3%
*“As advertised”*
**Efficiency**3%
*“seems effective”*
**Focus Enhancement**2%
*“energy focus”*
### **What buyers complain about **
**Taste-Overall**30%
*“Disgusting Taste”*
**Smell**12%
*“Bad smell”*
**Vitamin**6%
*“I don't like the taste of vitamins”*
**Dosage**3%
*“Too high dosage”*
**Flavor**3%
*“flavor was so off putting”*
**Energy Level**3%
*“I felt no difference in energy levels”*
**Side Effects**2%
*“I couldn't take it made me nauseous”*
**Functionality-Overall**2%
*“Not effective”*
**Ingredients-Overall**2%
*“I dont know to which ingredient”*
**Pain Relief-Overall**1%
*“started getting back pain”*
### **Top return reasons **
**Taste-Overall**30%
**Smell**15%
**Functionality-Overall**10%
**Vitamin**10%
**Leak-Proof**8%
**Charging**5%
**Size-Overall**5%
**Age Suitability**5%
**Side Effects**5%
**Advertised Vs Actual Product**5%
## **Common questions**
- **Is b complex liquid profitable to sell on Amazon United States?**
- The niche generates $584K/yr across 26 tracked products. 5 of 6 products launched in the last 360 days are still selling. 90-day search growth is -2.4%. Flapen's verdict: Worth a look (58/100).
- **How competitive is the b complex liquid niche?**
- 23 brands and 86 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 63% of demand.
- **What do buyers complain about in b complex liquid?**
- Top complaints mined from reviews: Taste-Overall, Smell, Vitamin. The return rate is 0.0%.
- **When does demand for b complex liquid peak?**
- Demand peaks in Nov; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the b complex liquid niche?**
- Listings span $6.83–$42.23; the average listing price is $18.73 (sweet spot $15–$100). The average incumbent carries 2,928 reviews — the moat a new listing must climb.
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