---
title: "B Complex 100 — $466K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/b-complex-100"
last_updated: "2026-08-06T19:16:40.201Z"
locale: en
meta:
description: "Niche score 54/100 · $466K/yr market · 215K searches/yr · $17.99 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · $466K/yr market · 215K searches/yr · $17.99 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:title": "B Complex 100 — $466K/yr Amazon US Niche (2026) - Flapen"
---
# **b complex 100**
**Worth a look**
Shows low returns (0.0%), but strong incumbent ratings (4.7★) keeps it on the watch list.
Market size 58Growth 32Conversion 95Competition 43Returns 100Price range 79Avg price 82Brand share 33Review moat 24Quality gap 20
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****12.0%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$17.99**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$8.28–$41.80**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$466K**
$466K/yr · 215K searches
**Competition**
**Okay****59%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****85%**
top-5 brand share — brands hold most of the demand
**Growth**
**Okay****+5.9%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****5,701.5**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, b complex 100 is a $466K/yr Amazon United States market (215K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 54/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **b complex 100 market data**
- **Units sold / yr**
- **30K–40K**
- avg 1,250–1,500/product
- **Revenue / yr**
- **$540K–$720K**
- units × avg price
- **Conversion rate**
- **12.0%**
- **Avg BSR**
- **#395**
- **Page quality**
- **0%**
- **Prime**
- **96%**
- **Sponsored**
- **42%**
- **Out of stock**
- **1.1%**
- **Avg brand age**
- **90 months**
- **Avg seller age**
- **159 days**
## **Competition & brand share**
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▲rising
**Sellers**
**167**
**Top-5 brand share**
**85%**
Top 20: 100%
**Top-5 click share**
**59%**
Top 20: 95%
**Open market**
**12%**
- NOW Foods41% - Solgar25% - Bronson13% - Horbäach4% - Unique Bundle Store3% - MASON NATURAL3% - Open — no brand owns it (8 brands, 12%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +5.9% search growth over the last 90 days.
7K5KPrime Day '25Spike '25 seasonSepDecMarJunAugNovMarMay
Peak months: Aug, Sep · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/health-household/b-complex-100/trend)
## **Top b complex 100 search terms**
- **b100 complex vitamins**29K/yr+12.4%7.9% conv. - **b100**21K/yr+12.2%10.5% conv. - **now b complex**21K/yr+1.4%7.9% conv. - **b complex 100**15K/yr+43.0%7.0% conv. - **solgar b complex**21K/yr-9.6%12.7% conv. - **b 100 complex vitamins**12K/yr+0.8%9.4% conv. - **b-100 complex**13K/yr-8.2%9.7% conv. - **solgar b complex 100**10K/yr-8.6%19.6% conv. - **b100 complex**9K/yr+24.2%7.2% conv. - **b 100**7K/yr+14.8%14.3% conv. [**All search terms **](https://flapen.com/research/us/health-household/b-complex-100/search-terms)
## **Top b complex 100 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%$47K20%$93K30%$140K40%$186K101001K10K100K 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**NOW Foods Supplements Vitamin B-100 Energy Production* Nervous System Health* 100 Veg Capsules**NOW Foods**$13.08**4.7★5,139 rev](https://www.amazon.com/dp/B000UX110A) [2**Solgar B-Complex 100 100 Vegetable Capsules - Nervous System Support - Supports Energy Metabolism - Non-GMO Vegan Gluten Free Dairy Free Kosher - 100 Servings**Solgar**$15.32**4.7★17,312 rev](https://www.amazon.com/dp/B000RZQNV8) [3**Bronson Super B100 Vitamin B Complex Sustained Release Contains All B Vitamins (Vitamin B1 B2 B3 B6 B9 - Folic Acid B12) 120 Tablets**Bronson**$14.93**4.6★3,017 rev](https://www.amazon.com/dp/B0CKGBXDJ6) [4**NOW Supplements Vitamin B-100 Energy Production* Nervous System Health* 250 Veg Capsules**NOW Foods**$26.39**4.8★1,583 rev](https://www.amazon.com/dp/B0013OUMYQ) [5**Now Supplements Co-Enzyme B Complex with ALA and CoQ10 120 Veg Caps**NOW Foods**$27.19**4.8★60 rev](https://www.amazon.com/dp/B0F19482H7)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Unique Bundle Store Vitamin B-100 Complex 60 Tablets Timed Release B Complex Vitamins for Metabolism Support B100 Complex Vitamins B 100 Complex Supplement Gluten Free Formula (Pack of 1)**Unique Bundle Store**$17.33**12 rev8mo ago](https://www.amazon.com/dp/B0G36HG2NX) [**Now Supplements Co-Enzyme B Complex with ALA and CoQ10 120 Veg Caps**NOW Foods**$27.19**60 rev1y ago](https://www.amazon.com/dp/B0F19482H7) [**Bronson Super B100 Vitamin B Complex Sustained Release Contains All B Vitamins (Vitamin B1 B2 B3 B6 B9 - Folic Acid B12) 120 Tablets**Bronson**$14.93**3,017 rev2y ago](https://www.amazon.com/dp/B0CKGBXDJ6) [**Bronson Super B100 Vitamin B Complex Sustained Release Contains All B Vitamins (Vitamin B1 B2 B3 B6 B9 - Folic Acid B12) 60 Tablets**Bronson**$9.95**3,017 rev2y ago](https://www.amazon.com/dp/B0CKG626GF) [**Horbach Vitamin B-100 Complex | 100% of Daily Value | 300 Tablets**Horbäach**$12.98**422 rev4y ago](https://www.amazon.com/dp/B09ZVM2FVD)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Unique Bundle Store Vitamin B-100 Complex 60 Tablets Timed Release B Complex Vitamins for Metabolism Support B100 Complex Vitamins B 100 Complex Supplement Gluten Free Formula (Pack of 1)**Unique Bundle Store**$17.33**4.7★**▲ 171%**](https://www.amazon.com/dp/B0G36HG2NX) [**Now Supplements Co-Enzyme B Complex with ALA and CoQ10 120 Veg Caps**NOW Foods**$27.19**4.8★**▲ 83%**](https://www.amazon.com/dp/B0F19482H7) [**Best Naturals B-100 Complex for adults 120 Tablets**Best Naturals**$12.78**4.6★**▲ 79%**](https://www.amazon.com/dp/B00GXD6G92) [**GNC Vitamin B Complex 100 Supplement Supports Energy Metabolism and Immune Function 250 Servings**GNC**$28.70**4.7★**▲ 67%**](https://www.amazon.com/dp/B085GLC6KK) [**Horbach Vitamin B-100 Complex | 100% of Daily Value | 300 Tablets**Horbäach**$12.98**4.6★**▲ 26%**](https://www.amazon.com/dp/B09ZVM2FVD)
**~~View all trending →~~**
## **What buyers say about b complex 100**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Vitamin**21%
*“I love this vitamin”*
**Quality-Overall**20%
*“Great quality, exactly as described, and arrived on time”*
**Energy Level**7%
*“Good energy”*
**Value For Money**7%
*“Good value”*
**Advertised Vs Actual Product**4%
*“Does the Job”*
**Ease Of Chewing/Swallowing**3%
*“easy and smooth to swallow, no issues”*
**Ease Of Use**2%
*“Ease of use”*
**Nutritional Content**2%
*“Healthy Choice”*
**Joint Pain**2%
*“I love this complex for my Multiple Sclerosis”*
**Dosage**2%
*“The tablets are easy to take”*
### **What buyers complain about **
**Vitamin**12%
*“Smelly vitamins”*
**Dosage**8%
*“Too high of a dosage”*
**Smell**8%
*“This caused bright yellow urine that smelled very bad which indicated that the vitamin C was being eliminated via the urine”*
**Allergies**7%
*“SEVERE ALLERGIC REACTION”*
**Ingredients-Overall**4%
*“Ugh, I didnt realize this isnt a flush free formula and it has niacin in it, which gave me terrible flushing”*
**Taste-Overall**4%
*“taste are completely different”*
**Advertised Vs Actual Product**4%
*“It's false advertising”*
**Energy Level**4%
*“I can't tell a difference in energy”*
**Ease Of Chewing/Swallowing**4%
*“Hard to swallow”*
**Size-Overall**3%
*“although small”*
### **Top return reasons **
**Value For Money**33%
**Vitamin**22%
**Advertised Vs Actual Product**22%
**Smell**11%
**Color**11%
## **Common questions**
- **Is b complex 100 profitable to sell on Amazon United States?**
- The niche generates $466K/yr across 24 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +5.9%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the b complex 100 niche?**
- 14 brands and 167 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 85% of demand.
- **What do buyers complain about in b complex 100?**
- Top complaints mined from reviews: Vitamin, Dosage, Smell. The return rate is 0.0%.
- **When does demand for b complex 100 peak?**
- Demand peaks in Aug–Sep; the busiest month runs 1.5× the quietest.
- **What does it cost to enter the b complex 100 niche?**
- Listings span $8.28–$41.80; the average listing price is $17.99 (sweet spot $15–$100). The average incumbent carries 5,702 reviews — the moat a new listing must climb.
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