---
title: "Vitamin B12 — $25.2M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/vitamin-b12"
last_updated: "2026-08-06T17:05:28.503Z"
locale: en
meta:
description: "Niche score 61/100 · $25.2M/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 61/100 · $25.2M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Vitamin B12 — $25.2M/yr Amazon US Niche (2026) - Flapen"
---
# **vitamin b12**
**Worth a look**
Shows a $25.2M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 100Growth 24Conversion 97Competition 47Returns 100Price range 79Avg price 76Brand share 51Review moat 18Quality gap 18
**Market size**
**Incredible****$25.2M**
$25.2M/yr · 10.6M searches
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****15.6%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$6.64–$47.51**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$15.23**
avg listing price — sweet spot $15–$100
**Brand share**
**Good****75%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****57%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-1.6%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****16,175.13**
avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, vitamin b12 is a $25.2M/yr Amazon United States market (10.6M searches/yr). The top 5 brands hold 75% of demand. Verdict: Worth a look — 61/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **vitamin b12 market data**
- **Units sold / yr**
- **1.0M–1.0M**
- avg 40,000–50,000/product
- **Revenue / yr**
- **$15.2M–$15.2M**
- units × avg price
- **Conversion rate**
- **15.6%**
- **Avg BSR**
- **#88**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **83%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **74 months**
- **Avg seller age**
- **143 days**
## **Competition & brand share**
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**15 **▼falling
**Sellers**
**126**
**Top-5 brand share**
**75%**
Top 20: 100%
**Top-5 click share**
**57%**
Top 20: 96%
**Open market**
**21%**
- Nature's Bounty31% - Nature Made25% - THORNE7% - Vitamatic6% - Horbäach6% - Pure Encapsulations5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -1.6% search growth over the last 90 days.
250K150KPrime Day '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/health-household/vitamin-b12/trend)
## **Top vitamin b12 search terms**
- **b12**2.6M/yr-3.3%11.2% conv. - **vitamin b12**2.7M/yr+3.0%10.9% conv. - **b12 vitamins**1.5M/yr-6.3%11.1% conv. - **b12 1000 mcg**622K/yr-4.5%17.1% conv. - **b12 sublingual**445K/yr-2.2%7.4% conv. - **vitamin b12 1000 mcg**346K/yr-4.5%16.1% conv. - **b12 vitamins 5000 mcg**346K/yr-6.5%8.7% conv. - **b12 methylcobalamin**254K/yr-5.1%4.8% conv. - **vitamina b12 para mujer**244K/yr-8.0%2.7% conv. - **vitamina b12**175K/yr+6.7%3.3% conv. [**All search terms **](https://flapen.com/research/us/health-household/vitamin-b12/search-terms)
## **Top vitamin b12 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%$2.5M20%$5.0M30%$7.6M40%$10.1M1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 23 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Natures Bounty Vitamin B12 1000 mcg Supplements Supports Energy Metabolism 200 Ct**Nature's Bounty**$8.65**4.7★76,822 rev](https://www.amazon.com/dp/B00DYSUQR2) [2**Nature Made Vitamin B12 1000 mcg Energy Metabolism Support 150 Softgels**Nature Made**$12.75**4.7★45,305 rev](https://www.amazon.com/dp/B00DS5BGDY) [3**THORNE - Vitamin B12 - as Methylcobalamin - Supports Heart & Nerve Health Blood Cell Function Restful Sleep & Methylation* - Third-Party Certified - Gluten Dairy & Soy-Free - 60 Capsules**THORNE**$23.94**4.8★3,834 rev](https://www.amazon.com/dp/B002BKW1YA) [4**Vitamatic Vitamin B12 1000 mcg Fast Dissolve 365 Tablets Natural Berry Flavor Supports Energy Metabolism & Nervous System Health**Vitamatic**$9.85**4.8★6,963 rev](https://www.amazon.com/dp/B0BVF333B1) [5**Horbach B12 Vitamin 5000 mcg | 120 Fast Dissolve Tablets**Horbäach**$9.95**4.7★11,429 rev](https://www.amazon.com/dp/B083JLZPZX)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**WeightWorld B12 Vitamin 5000mcg | 6-Month Supply | B12 Methylcobalamin for Healthy Nervous System & Energy Production (180 Tablets) | Vegetarian B12 Vitamins for Women & Men Non-GMO 1-a-Day**WeightWorld**$16.89**285 rev2y ago](https://www.amazon.com/dp/B0CW35YW3F) [**Vitamin B12 with Hyaluronic Acid and Collagen - 25000 mcg B12 Complex 60Ct**VITBOOST**$19.12**1,853 rev2y ago](https://www.amazon.com/dp/B0CN713JVR) [![NatureWise Vitamin B12 1000 mcg - Dietary Supplement for Supporting Energy Metabolism Mental Clarity Nervous System Health - Easy-to-Swallow Soy & Gluten-Free - 60 Softgels[60-Day Supply]](https://m.media-amazon.com/images/I/3161w-+kdnL.jpg)**NatureWise Vitamin B12 1000 mcg - Dietary Supplement for Supporting Energy Metabolism Mental Clarity Nervous System Health - Easy-to-Swallow Soy & Gluten-Free - 60 Softgels\[60-Day Supply\]**NatureWise**$6.64**4,303 rev2y ago](https://www.amazon.com/dp/B0CHKKGDXD) [**USDA Organic Vitamin B12 Sublingual Drops - Methylcobalamin 5000 mcg - 2 Oz**NUTRAHARMONY**$19.66**3,700 rev2y ago](https://www.amazon.com/dp/B0CDLWCVQ7) [**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**8,208 rev3y ago](https://www.amazon.com/dp/B0C9JX95NV)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**WeightWorld B12 Vitamin 5000mcg | 6-Month Supply | B12 Methylcobalamin for Healthy Nervous System & Energy Production (180 Tablets) | Vegetarian B12 Vitamins for Women & Men Non-GMO 1-a-Day**WeightWorld**$16.89**4.7★**▲ 207%**](https://www.amazon.com/dp/B0CW35YW3F) [**Nature Made Vitamin B12 1000 mcg Energy Metabolism Support 90 Softgels**Nature Made**$10.39**4.7★**▲ 41%**](https://www.amazon.com/dp/B005BU2KRU) [**Vitamatic Vitamin B12 1000 mcg Fast Dissolve 365 Tablets Natural Berry Flavor Supports Energy Metabolism & Nervous System Health**Vitamatic**$9.85**4.8★**▲ 38%**](https://www.amazon.com/dp/B0BVF333B1) [**Natures Bounty Vitamin B12 1000 mcg Supplements Supports Energy Metabolism 200 Ct**Nature's Bounty**$8.65**4.7★**▲ 33%**](https://www.amazon.com/dp/B00DYSUQR2) [**Pure Encapsulations Methylcobalamin 1 000 mcg - Vitamin B12 Supplement to Support Memory & Nerve Health* - Premium Vitamin B12 Capsules - 180 Capsules**Pure Encapsulations**$47.51**4.7★**▲ 32%**](https://www.amazon.com/dp/B0017CU65Y)
**~~View all trending →~~**
## **What buyers say about vitamin b12**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**16%
*“Best quality”*
**Vitamin**14%
*“Excellent vitamin”*
**Taste-Overall**11%
*“Has a berry taste”*
**Value For Money**10%
*“They are affordable”*
**Energy Level**8%
*“Good Energy”*
**Advertised Vs Actual Product**6%
*“Exactly as advertised”*
**Ease Of Use**4%
*“Ease of use”*
**Ease Of Chewing/Swallowing**3%
*“Easier to swallow”*
**Efficiency**3%
*“Effective”*
**Flavor**3%
*“Berry flavor”*
### **What buyers complain about **
**Taste-Overall**22%
*“DISGUSTING TASTE”*
**Smell**8%
*“disgusting smelling”*
**Vitamin**5%
*“The worst B-vitamins I have ever taken”*
**Dosage**4%
*“recommended dosage is poor”*
**Solubility**4%
*“poor to dissolve”*
**Size-Overall**3%
*“Pretty small in size”*
**Functionality-Overall**3%
*“it just hasn't been working very well”*
**Flavor**3%
*“Dont get Raspberry flavor”*
**Energy Level**2%
*“Energy level did not change at all”*
**Value For Money**2%
*“costs too much”*
### **Top return reasons **
**Functionality-Overall**14%
**Taste-Overall**12%
**Vitamin**10%
**Leak-Proof**9%
**Dosage**8%
**Value For Money**7%
**Size-Overall**6%
**Advertised Vs Actual Product**5%
**Calcium**4%
**Quality-Overall**4%
## **Common questions**
- **Is vitamin b12 profitable to sell on Amazon United States?**
- The niche generates $25.2M/yr across 23 tracked products. 90-day search growth is -1.6%. Flapen's verdict: Worth a look (61/100).
- **How competitive is the vitamin b12 niche?**
- 15 brands and 126 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 75% of demand.
- **What do buyers complain about in vitamin b12?**
- Top complaints mined from reviews: Taste-Overall, Smell, Vitamin. The return rate is 0.0%.
- **When does demand for vitamin b12 peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the vitamin b12 niche?**
- Listings span $6.64–$47.51; the average listing price is $15.23 (sweet spot $15–$100). The average incumbent carries 16,175 reviews — the moat a new listing must climb.
## **Related niches in Health & Household**
- 76 [**cedar oil**](https://flapen.com/research/us/health-household/cedar-oil)$1.2M/yr+214.4%**Launch it**- 77 [**nutrapure glp1 cutting mix**](https://flapen.com/research/us/health-household/nutrapure-glp1-cutting-mix)$149K/yr+940.2%**Worth a look**- 77 [**dexcom g7**](https://flapen.com/research/us/health-household/dexcom-g7)$2.0M/yr+39.9%**Launch it**- 77 [**purelia**](https://flapen.com/research/us/health-household/purelia)$635K/yr+359.7%**Worth a look**- 77 [**graduation napkins**](https://flapen.com/research/us/health-household/graduation-napkins)$302K/yr+385.7%**Worth a look**- 77 [**credit card wand**](https://flapen.com/research/us/health-household/credit-card-wand)$418K/yr+101.3%**Worth a look**[**All Health & Household niches **](https://flapen.com/research/us/health-household)