---
title: "Vitamin B12 500 Mcg — $657K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/vitamin-b12-500-mcg"
last_updated: "2026-08-06T18:52:35.506Z"
locale: en
meta:
description: "Niche score 50/100 · $657K/yr market · 305K searches/yr · $11.72 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · $657K/yr market · 305K searches/yr · $11.72 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Vitamin B12 500 Mcg — $657K/yr Amazon US Niche (2026) - Flapen"
---
# **vitamin b12 500 mcg**
**Worth a look**
Shows low returns (0.0%), but strong incumbent ratings (4.7★) keeps it on the watch list.
Market size 67Growth 36Conversion 99Competition 24Returns 100Price range 51Avg price 48Brand share 31Review moat 24Quality gap 18
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****18.4%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Good****$657K**
$657K/yr · 305K searches
**Price range**
**Good****$6.26–$23.94**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****$11.72**
avg listing price — sweet spot $15–$100
**Growth**
**Okay****+9.0%**
90-day search growth — must beat 0% to launch
**Brand share**
**Okay****87%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****72%**
top-5 click share — a locked-up shelf
**Review moat**
**Bad****5,145.56**
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, vitamin b12 500 mcg is a $657K/yr Amazon United States market (305K searches/yr). The top 5 brands hold 87% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **vitamin b12 500 mcg market data**
- **Units sold / yr**
- **50K–60K**
- avg 4,000–5,000/product
- **Revenue / yr**
- **$586K–$703K**
- units × avg price
- **Conversion rate**
- **18.4%**
- **Avg BSR**
- **#220**
- **Page quality**
- **0%**
- **Prime**
- **94%**
- **Sponsored**
- **81%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **99 months**
- **Avg seller age**
- **149 days**
## **Competition & brand share**
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**12 **▲rising
**Sellers**
**67**
**Top-5 brand share**
**87%**
Top 20: 100%
**Top-5 click share**
**72%**
Top 20: 100%
**Open market**
**13%**
- Nature Made37% - Nature's Bounty32% - Life Extension6% - Carlyle5% - Amazon Basics3% - Swanson3% - Open — no brand owns it (6 brands, 13%)
## **Demand & seasonality**
Weekly Amazon search volume, last 102 weeks — +9.0% search growth over the last 90 days.
8K6KPrime Day '25Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/health-household/vitamin-b12-500-mcg/trend)
## **Top vitamin b12 500 mcg search terms**
- **b12 500 mcg**115K/yr+7.2%18.3% conv. - **vitamin b12 500 mcg**78K/yr+15.9%16.3% conv. - **b12 500mcg**12K/yr+53.4%9.2% conv. - **b-12 500 mcg**11K/yr+1.4%21.0% conv. - **b12 vitamins 500 mcg**11K/yr+2.8%15.3% conv. - **b12 500**9K/yr+5.8%17.2% conv. - **b12 sublingual 500 mcg**7K/yr-2.5%7.6% conv. - **vitamin b 12 500 mcg**7K/yr-10.2%17.4% conv. - **vitamin b12 500mcg**6K/yr+4.8%15.8% conv. - **b12 500 mg**6K/yr+0.3%20.1% conv. [**All search terms **](https://flapen.com/research/us/health-household/vitamin-b12-500-mcg/search-terms)
## **Top vitamin b12 500 mcg 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%$66K20%$131K30%$197K40%$263K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Nature Made Vitamin B12 500 mcg for Energy Metabolism Support 200 Tablets**Nature Made**$14.80**4.7★17,365 rev](https://www.amazon.com/dp/B001F1HU3S) [2**Natures Bounty Vitamin B12 Supports Energy Metabolism and Nervous System Health 500mcg 100 Quick Dissolve Tablets**Nature's Bounty**$6.95**4.7★13,047 rev](https://www.amazon.com/dp/B002I3V8B2) [3**Nature Made Vitamin B12 500 mcg Dietary Supplement for Energy Metabolism Support B12 Vitamins 500 mcg 100 Tablets 100 Day Supply**Nature Made**$9.15**4.7★17,365 rev](https://www.amazon.com/dp/B00CYTXSLI) [4**Life Extension Vitamin B12 Methylcobalamin 500mcg - Vitamin B12 Supplement for General Energy and Brain Health - Sugar Free Vegetarian Lozenges Dissolve in Your Mouth - Once Daily - 100 Count**Life Extension**$6.26**4.7★2,237 rev](https://www.amazon.com/dp/B00028N1QU) [5**Carlyle Vitamin B-12 500mcg | 300 Tablets**Carlyle**$9.85**4.8★701 rev](https://www.amazon.com/dp/B09PMCQNMN)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Nutricost Vitamin B12 Supplement (500mcg) 240 Capsules Methylcobalamin**Nutricost**$12.93**32 rev4mo ago](https://www.amazon.com/dp/B0GTRX7G3G) [![NatureWise Vitamin B12 500 mcg - B12 Supplement for Energy + Mental Clarity & Nervous System Support - Easy-to-Swallow Vegan & Non-GMO - USA Manufactured - 100 Tablets[100-Day Supply]](https://m.media-amazon.com/images/I/314NOw4BHiL.jpg)**NatureWise Vitamin B12 500 mcg - B12 Supplement for Energy + Mental Clarity & Nervous System Support - Easy-to-Swallow Vegan & Non-GMO - USA Manufactured - 100 Tablets\[100-Day Supply\]**NatureWise**$7.62**56 rev8mo ago](https://www.amazon.com/dp/B0FV12GFWJ) [**Carlyle Vitamin B-12 500mcg | 300 Tablets**Carlyle**$9.85**701 rev4y ago](https://www.amazon.com/dp/B09PMCQNMN) [**Amazon Basics Vitamin B12 500 mcg Gummies for Energy Production Metabolism and Immune System Support Raspberry Flavor 100 Count**Amazon Basics**$6.85**6,895 rev7y ago](https://www.amazon.com/dp/B07GP23RBC) [**Nature Made Vitamin B12 500 mcg Dietary Supplement for Energy Metabolism Support B12 Vitamins 500 mcg 100 Tablets 100 Day Supply**Nature Made**$9.15**17,365 rev8y ago](https://www.amazon.com/dp/B00CYTXSLI)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Nutricost Vitamin B12 Supplement (500mcg) 240 Capsules Methylcobalamin**Nutricost**$12.93**4.7★**▲ 170%**](https://www.amazon.com/dp/B0GTRX7G3G) [![NatureWise Vitamin B12 500 mcg - B12 Supplement for Energy + Mental Clarity & Nervous System Support - Easy-to-Swallow Vegan & Non-GMO - USA Manufactured - 100 Tablets[100-Day Supply]](https://m.media-amazon.com/images/I/314NOw4BHiL.jpg)**NatureWise Vitamin B12 500 mcg - B12 Supplement for Energy + Mental Clarity & Nervous System Support - Easy-to-Swallow Vegan & Non-GMO - USA Manufactured - 100 Tablets\[100-Day Supply\]**NatureWise**$7.62**4.4★**▲ 73%**](https://www.amazon.com/dp/B0FV12GFWJ) [**Amazon Basics Vitamin B12 500 mcg Gummies for Energy Production Metabolism and Immune System Support Raspberry Flavor 100 Count**Amazon Basics**$6.85**4.7★**▲ 28%**](https://www.amazon.com/dp/B07GP23RBC) [**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★**▲ 21%**](https://www.amazon.com/dp/B002BKW1YA) [**Swanson Vitamin B12 Cyanocobalamin Energy and Nervous System Supplement for Adults Seeking Metabolic and Heart Health Support - 500 mcg (250 Vegan Capsules)**Swanson**$12.57**4.8★**▲ 17%**](https://www.amazon.com/dp/B07F92YKHQ)
**~~View all trending →~~**
## **What buyers say about vitamin b12 500 mcg**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**26%
*“Excellent quality”*
**Value For Money**13%
*“Good value for money”*
**Vitamin**13%
*“Highly recommended vitamins”*
**Advertised Vs Actual Product**8%
*“it was as advertised”*
**Efficiency**4%
*“Effective”*
**Energy Level**4%
*“Amazing energy boost”*
**Ease Of Use**3%
*“They are easy to use”*
**Ease Of Chewing/Swallowing**3%
*“Soft and chewy”*
**Taste-Overall**2%
*“No odor or aftertaste”*
**Side Effects**2%
*“I actually feel a substantial effect about a half hour after taking which lasts many hours”*
### **What buyers complain about **
**Vitamin**11%
*“My doctor said my Vitamin B12 was in low average range so I bought these”*
**Dosage**6%
*“I was sick of taking ones that you dissolve under the tongue”*
**Solubility**6%
*“Slow to dissolve”*
**Size-Overall**5%
*“Its actually a large”*
**Taste-Overall**5%
*“No taste or smell”*
**Value For Money**5%
*“Ordered a cheaper brand”*
**Functionality-Overall**4%
*“Doesn't work”*
**Allergies**4%
*“Caused acne”*
**Side Effects**3%
*“I had to stop taking them, though, because I was overdosing on the B12, which was causing my back to break out terribly with cystic acne”*
**Absorbency**3%
*“It does not work for my body absorption”*
### **Top return reasons **
**Ease Of Use**50%
**Dosage**50%
## **Common questions**
- **Is vitamin b12 500 mcg profitable to sell on Amazon United States?**
- The niche generates $657K/yr across 16 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +9.0%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the vitamin b12 500 mcg niche?**
- 12 brands and 67 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 87% of demand.
- **What do buyers complain about in vitamin b12 500 mcg?**
- Top complaints mined from reviews: Vitamin, Dosage, Solubility. The return rate is 0.0%.
- **When does demand for vitamin b12 500 mcg peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the vitamin b12 500 mcg niche?**
- Listings span $6.26–$23.94; the average listing price is $11.72 (sweet spot $15–$100). The average incumbent carries 5,146 reviews — the moat a new listing must climb.
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