Is b12 vitamins 5000 mcg profitable to sell on Amazon United States?

The niche generates $437K/yr across 21 tracked products. 90-day search growth is -1.4%. Flapen's verdict: Worth a look (53/100).

How competitive is the b12 vitamins 5000 mcg niche?

16 brands and 215 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 77% of demand.

What do buyers complain about in b12 vitamins 5000 mcg?

Top complaints mined from reviews: Taste-Overall, Smell, Solubility. The return rate is 0.0%.

When does demand for b12 vitamins 5000 mcg peak?

Demand peaks in Aug; the busiest month runs 2.0× the quietest.

What does it cost to enter the b12 vitamins 5000 mcg niche?

Listings span $6.90–$45.91; the average listing price is $17.91 (sweet spot $15–$100). The average incumbent carries 6,786 reviews — the moat a new listing must climb.

b12 vitamins 5000 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

Incredible14.6%

search→purchase rate — share of searches ending in a sale

Avg price

Great$17.91

avg listing price — sweet spot $15–$100

Price range

Great$6.90–$45.91

cheapest to priciest tracked listing — scored on the share inside $15–$100

Market size

Good$437K

$437K/yr · 167K searches

Brand share

Okay77%

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

Competition

Okay64%

top-5 click share — leaders hold, buyers still browse

Growth

Bad-1.4%

90-day search growth — must beat 0% to launch

Review moat

Bad6,785.52

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, b12 vitamins 5000 mcg is a $437K/yr Amazon United States market (167K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Aug. Verdict: Worth a look — 53/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

b12 vitamins 5000 mcg market data

Units sold / yr: 25K–30K; avg 750–1,000/product
Revenue / yr: $448K–$537K; units × avg price
Conversion rate: 14.6%
Avg BSR: #222
Page quality: 0%
Prime: 100%
Sponsored: 67%
Out of stock: 2.5%
Avg brand age: 94 months
Avg seller age: 154 days

Competition & brand share

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 falling

Sellers

215

Top-5 brand share

77%

Top 20: 100%

Top-5 click share

64%

Top 20: 99%

Open market

19%

Horbäach24%
Nature's Bounty20%
Nature Made18%
KIRKLAND8%
Vitamatic7%
WeightWorld4%

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — -1.4% search growth over the last 90 days.

Peak months: Aug · busiest ÷ quietest = 2.0×

Open Trend

Top b12 vitamins 5000 mcg search terms

b12 5000 mcg43K/yr +5.6%13.1% conv.
b12 500023K/yr +16.9%12.4% conv.
b12 sublingual 5000 mcg23K/yr -3.9%9.4% conv.
b12 5000mcg9K/yr +14.0%12.6% conv.
b-12 5000 mcg9K/yr +8.5%13.1% conv.
vitamin b12 50008K/yr +17.4%11.4% conv.
sublingual b12 5000mcg11K/yr -34.1%8.9% conv.
vitamin b12 sublingual 5000 mcg7K/yr -17.1%10.2% conv.
kirkland b127K/yr +9.7%6.1% conv.
kirkland b12 5000 mcg7K/yr -17.4%10.1% conv.

All search terms

Top b12 vitamins 5000 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 21 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Horbach B12 Vitamin 5000 mcg | 120 Fast Dissolve Tablets

Horbäach$9.954.7★11,429 rev

Nature Made Maximum Strength Vitamin B12 5000 mcg Softgels 60 Softgels

Nature Made$11.714.7★14,528 rev

Natures Bounty Vitamin B12 Supports Energy Metabolism and Nervous System Health 5000mcg 40 Quick Dissolve Tablets

Nature's Bounty$7.954.8★10,155 rev

Kirkland Signature B-12 5000 mcg 300 Tablets (2 Pack)

KIRKLAND$44.274.8★693 rev

Vitamin B12 by Natures Bounty Quick Dissolve Vitamin Supplement Supports Energy Metabolism and Nervous System Health 5000mcg 40 Tablets (Pack of 2)

Nature's Bounty$15.614.7★2,227 rev

Newest

by launch date

Bronson Methyl B12 5000 mcg Vitamin B12 Methylcobalamin Energy & Brain Support 120 Lozenges

Bronson$9.992,687 rev

1y ago

NatureWise Vitamin B12 5000 mcg - Extra Strength - Supplement for Supporting Energy Levels Mental Clarity Nervous System Health - Easy-to-Swallow Soy and Gluten-Free Non-GMO - 60 Softgels

NatureWise$11.35449 rev

1y ago

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$16.89285 rev

2y ago

USDA Organic Vitamin B12 Sublingual Drops - Methylcobalamin 5000 mcg - 2 Oz

NUTRAHARMONY$19.663,700 rev

2y ago

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$25.048,208 rev

3y ago

What buyers say about b12 vitamins 5000 mcg

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

What buyers love

Quality-Overall15%

“overall a solid product”

Taste-Overall14%

“taste great and is easy to take”

Vitamin12%

“Excellent vitamin”

Energy Level11%

“Energy Boost”

Value For Money6%

“Cost effective”

Advertised Vs Actual Product6%

“As advertised”

Efficiency4%

“appears to be effective”

Ease Of Use4%

“Ease of use”

Flavor3%

“The flavor is very yummy”

Ease Of Chewing/Swallowing2%

“love that there chewable”

What buyers complain about

Taste-Overall28%

“DISGUSTING TASTE”

Smell11%

“Strong odor”

Solubility5%

“Not easy to dissolve”

Vitamin5%

“The worst B-vitamins I have ever taken”

Dosage4%

“are a very high dose”

Energy Level4%

“I was experiencing low energy”

Functionality-Overall3%

“It doesnt do for you”

Flavor2%

“Dont get Raspberry flavor”

Side Effects2%

“I have been experiencing side effects”

Pain Relief-Overall1%

“Pain”

Top return reasons

Functionality-Overall18%

Taste-Overall18%

Leak-Proof16%

Vitamin13%

Dosage7%

Advertised Vs Actual Product5%

Value For Money5%

Smell5%

Calcium3%

Dilute/Watery3%

Common questions

Is b12 vitamins 5000 mcg profitable to sell on Amazon United States?: The niche generates $437K/yr across 21 tracked products. 90-day search growth is -1.4%. Flapen's verdict: Worth a look (53/100).
How competitive is the b12 vitamins 5000 mcg niche?: 16 brands and 215 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 77% of demand.
What do buyers complain about in b12 vitamins 5000 mcg?: Top complaints mined from reviews: Taste-Overall, Smell, Solubility. The return rate is 0.0%.
When does demand for b12 vitamins 5000 mcg peak?: Demand peaks in Aug; the busiest month runs 2.0× the quietest.
What does it cost to enter the b12 vitamins 5000 mcg niche?: Listings span $6.90–$45.91; the average listing price is $17.91 (sweet spot $15–$100). The average incumbent carries 6,786 reviews — the moat a new listing must climb.