Is low dose b12 profitable to sell on Amazon United States?

The niche generates $58K/yr across 14 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +0.9%. Flapen's verdict: Skip it (38/100).

How competitive is the low dose b12 niche?

8 brands and 42 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 94% of demand.

What do buyers complain about in low dose b12?

Top complaints mined from reviews: Allergies, Dosage, Solubility. The return rate is 0.0%.

What does it cost to enter the low dose b12 niche?

Listings span $5.33–$24.93; the average listing price is $11.90 (sweet spot $15–$100). The average incumbent carries 4,185 reviews — the moat a new listing must climb.

Low Dose B12

Skip it

A small market ($58K/yr) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible12.0%

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

Price range

Good$5.33–$24.93

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

Avg price

Okay$11.90

avg listing price — sweet spot $15–$100

Growth

Okay+0.9%

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

Review moat

Bad4,185.43

avg incumbent reviews — the moat a new listing must climb

Competition

Bad76%

top-5 click share — a locked-up shelf

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Brand share

Bad94%

top-5 brand share — brand-locked demand

Market size

Bad$58K

$58K/yr · 41K searches

Is low dose b12 profitable on Amazon?

According to Flapen's Amazon United States niche tracking, low dose b12 is a $58K/yr Amazon United States market (41K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 38/100.

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

low dose b12 market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 6K–8K; avg 250–500/product
Revenue / yr: $71K–$95K; units × avg price
Conversion rate: 12.0%
Avg BSR: #323
Page quality: 0%
Prime: 100%
Sponsored: 86%
Out of stock: 0.0%
Avg brand age: 110 months
Avg seller age: 158 days

Competition: brands, sellers & click share

The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 flat

Sellers

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

76%

Top 20: 100%

Open market

Life Extension78%
Carlyle6%
MASON NATURAL4%
Potent Nutri3%
Nature Made2%
THORNE2%
Open — no brand owns it (2 brands, 4%)

low dose b12 demand & seasonality

Weekly Amazon search volume, last 17 weeks — +0.9% search growth over the last 90 days.

Open Trend

Top low dose b12 search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

life extension b1216K/yr -6.2%16.0% conv.
low dose b129K/yr -8.9%3.5% conv.
low dose vitamin b126K/yr +25.4%2.4% conv.
life extension vitamin b124K/yr -10.3%22.5% conv.
life extension b12 methylcobalamin3K/yr +33.6%19.4% conv.
b12 life extension3K/yr +11.8%16.3% conv.

All search terms

Top low dose b12 products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

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 14 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

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

Life Extension Vitamin B12 Methylcobalamin Nerve Health Supplement Cognitive Support Energy Vitamin methylcobalamin B12 1 mg Quick-Dissolving Vegetarian 60 lozenges

Life Extension$6.834.6★1,085 rev

Life Extension Vitamin B12 Methylcobalamin Nerve Health Supplement Cognitive Support Energy Vitamin methylcobalamin B12 5 mg Quick-Dissolving Gluten-Free Non-GMO Vegetarian 60 lozenges

Life Extension$22.234.7★2,237 rev

Life Extension B12 Elite adenosylcobalamin methylcobalamin Two Active Forms for Brain Health & Dopamine Production Non-GMO Gluten-Free Vegetarian 60 lozenges

Life Extension$7.774.6★723 rev

Carlyle Vitamin B12 100mcg | 200 Tablets | Essential Vitamin Supplement

Carlyle$7.024.7★455 rev

Newest

by launch date

Potent Nutri Low Dose Vitamin B12 (as Adenosylcobalamin Hydroxocobalamin & Methylcobalamin) - 30 Capsules

Potent Nutri$24.931 rev

4mo ago

Carlyle Vitamin B12 100mcg | 200 Tablets | Essential Vitamin Supplement

Carlyle$7.02455 rev

4y ago

Life Extension B12 Elite adenosylcobalamin methylcobalamin Two Active Forms for Brain Health & Dopamine Production Non-GMO Gluten-Free Vegetarian 60 lozenges

Life Extension$7.77723 rev

5y 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

Life Extension BioActive Folate & Vitamin B12 Promotes Heart Brain & GI Tract Health Non-GMO Gluten-Free Vegetarian 90 Capsules

Life Extension$8.353,684 rev

10y ago

What reviews say buyers love and hate about low dose b12

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

What buyers love

Quality-Overall25%

“Good quality in this supplement”

Vitamin13%

“Highly recommended vitamins”

Value For Money13%

“Very affordable”

Advertised Vs Actual Product5%

“Works as advertised”

Energy Level5%

“Decent amount of energy”

Ease Of Use4%

“They are easy to use”

Ease Of Chewing/Swallowing4%

“pretty much swallow them”

Efficiency3%

“Effective”

Side Effects3%

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

Absorbency2%

“It absorbs”

What buyers complain about

Allergies14%

“Extreme allergic reaction”

Dosage8%

“Too high of a dose for me”

Solubility7%

“Slow to dissolve”

Taste-Overall6%

“Horrible taste”

Vitamin5%

“It is an over hyped supplement”

Side Effects4%

“I started feeling sluggish”

Smell3%

“The smell bothers me”

Leak-Proof3%

“had leaked powder inside the bottle”

Value For Money3%

“Ordered a cheaper brand”

Functionality-Overall3%

“Didnt work for me”

Top return reasons

Dosage50%

Color50%

Common low dose b12 questions

Is low dose b12 profitable to sell on Amazon United States?: The niche generates $58K/yr across 14 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +0.9%. Flapen's verdict: Skip it (38/100).
How competitive is the low dose b12 niche?: 8 brands and 42 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 94% of demand.
What do buyers complain about in low dose b12?: Top complaints mined from reviews: Allergies, Dosage, Solubility. The return rate is 0.0%.
What does it cost to enter the low dose b12 niche?: Listings span $5.33–$24.93; the average listing price is $11.90 (sweet spot $15–$100). The average incumbent carries 4,185 reviews — the moat a new listing must climb.