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.

vitamin b12 500 mcg

Worth a look

Shows low returns (0.0%), but strong incumbent ratings (4.7★) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible18.4%

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

Okay87%

top-5 brand share — brands hold most of the demand

Competition

Bad72%

top-5 click share — a locked-up shelf

Review moat

Bad5,145.56

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

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

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

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.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top vitamin b12 500 mcg search terms

b12 500 mcg115K/yr +7.2%18.3% conv.
vitamin b12 500 mcg78K/yr +15.9%16.3% conv.
b12 500mcg12K/yr +53.4%9.2% conv.
b-12 500 mcg11K/yr +1.4%21.0% conv.
b12 vitamins 500 mcg11K/yr +2.8%15.3% conv.
b12 5009K/yr +5.8%17.2% conv.
b12 sublingual 500 mcg7K/yr -2.5%7.6% conv.
vitamin b 12 500 mcg7K/yr -10.2%17.4% conv.
vitamin b12 500mcg6K/yr +4.8%15.8% conv.
b12 500 mg6K/yr +0.3%20.1% conv.

All 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.

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

Nature Made Vitamin B12 500 mcg for Energy Metabolism Support 200 Tablets

Nature Made$14.804.7★17,365 rev

Natures Bounty Vitamin B12 Supports Energy Metabolism and Nervous System Health 500mcg 100 Quick Dissolve Tablets

Nature's Bounty$6.954.7★13,047 rev

Nature Made Vitamin B12 500 mcg Dietary Supplement for Energy Metabolism Support B12 Vitamins 500 mcg 100 Tablets 100 Day Supply

Nature Made$9.154.7★17,365 rev

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$6.264.7★2,237 rev

Carlyle Vitamin B-12 500mcg | 300 Tablets

Carlyle$9.854.8★701 rev

Newest

by launch date

Nutricost Vitamin B12 Supplement (500mcg) 240 Capsules Methylcobalamin

Nutricost$12.9332 rev

4mo ago

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$7.6256 rev

8mo ago

Carlyle Vitamin B-12 500mcg | 300 Tablets

Carlyle$9.85701 rev

4y ago

Amazon Basics Vitamin B12 500 mcg Gummies for Energy Production Metabolism and Immune System Support Raspberry Flavor 100 Count

Amazon Basics$6.856,895 rev

7y ago

Nature Made Vitamin B12 500 mcg Dietary Supplement for Energy Metabolism Support B12 Vitamins 500 mcg 100 Tablets 100 Day Supply

Nature Made$9.1517,365 rev

8y ago

What buyers say about vitamin b12 500 mcg

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall26%

“Excellent quality”

Value For Money13%

“Good value for money”

Vitamin13%

“Highly recommended vitamins”

Advertised Vs Actual Product8%

“it was as advertised”

Efficiency4%

“Effective”

Energy Level4%

“Amazing energy boost”

Ease Of Use3%

“They are easy to use”

Ease Of Chewing/Swallowing3%

“Soft and chewy”

Taste-Overall2%

“No odor or aftertaste”

Side Effects2%

“I actually feel a substantial effect about a half hour after taking which lasts many hours”

What buyers complain about

Vitamin11%

“My doctor said my Vitamin B12 was in low average range so I bought these”

Dosage6%

“I was sick of taking ones that you dissolve under the tongue”

Solubility6%

“Slow to dissolve”

Size-Overall5%

“Its actually a large”

Taste-Overall5%

“No taste or smell”

Value For Money5%

“Ordered a cheaper brand”

Functionality-Overall4%

“Doesn't work”

Allergies4%

“Caused acne”

Side Effects3%

“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”

Absorbency3%

“It does not work for my body absorption”

Top return reasons

Ease Of Use50%

Dosage50%

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.