Is b12 liquid profitable to sell on Amazon United States?

The niche generates $1.2M/yr across 27 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is +2.7%. Flapen's verdict: Launch it (62/100).

How competitive is the b12 liquid niche?

18 brands and 611 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 67% of demand.

What do buyers complain about in b12 liquid?

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

When does demand for b12 liquid peak?

Demand peaks in Nov; the busiest month runs 3.0× the quietest.

What does it cost to enter the b12 liquid niche?

Listings span $8.50–$37.24; the average listing price is $19.07 (sweet spot $15–$100). The average incumbent carries 4,877 reviews — the moat a new listing must climb.

b12 liquid

Launch it

A $1.2M/yr market growing +2.7% this quarter with returns at 0.0% — clears our launch bar.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Great9.9%

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

Avg price

Great$19.07

avg listing price — sweet spot $15–$100

Market size

Great$1.2M

$1.2M/yr · 622K searches

Price range

Great$8.50–$37.24

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

Brand share

Good67%

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

Competition

Good51%

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

Growth

Okay+2.7%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad4,877.04

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, b12 liquid is a $1.2M/yr Amazon United States market (622K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Nov. Verdict: Launch it — 62/100.

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

b12 liquid market data

Units sold / yr: 60K–80K; avg 2,000–2,500/product
Revenue / yr: $1.1M–$1.5M; units × avg price
Conversion rate: 9.9%
Avg BSR: #258
Page quality: 0%
Prime: 100%
Sponsored: 85%
Out of stock: 1.5%
Avg brand age: 81 months
Avg seller age: 148 days

Competition & brand share

The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 rising

Sellers

611

Top-5 brand share

67%

Top 20: 100%

Top-5 click share

51%

Top 20: 92%

Open market

27%

NUSAVA22%
NUTRAHARMONY13%
Nature's Bounty13%
Pure Encapsulations10%
Carlyle9%
MARYRUTH'S6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +2.7% search growth over the last 90 days.

Peak months: Nov · busiest ÷ quietest = 3.0×

Open Trend

Top b12 liquid search terms

b12 liquid188K/yr -10.2%8.9% conv.
liquid b1296K/yr +0.1%7.8% conv.
b12 drops72K/yr -0.1%8.5% conv.
vitamin b12 liquid55K/yr +8.3%6.6% conv.
b12 liquid drops41K/yr +6.9%8.5% conv.
liquid vitamin b1228K/yr +15.4%6.4% conv.
vitamin b12 drops23K/yr +8.2%7.0% conv.
liquid b12 drops21K/yr -1.8%8.4% conv.
b 12 liquid11K/yr +55.3%5.5% conv.
liquid b12 sublingual12K/yr -0.5%7.8% conv.

All search terms

Top b12 liquid 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

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$25.044.5★8,208 rev

Natures Bounty Vitamin B12 5000 mcg Sublingual Liquid Cardiovascular Health & Cellular Energy Support 2 Fl Oz (1 Count)

Nature's Bounty$8.504.7★24,349 rev

Carlyle Vitamin B12 Sublingual Liquid Drops | 10 000 mcg | 2 fl oz

Carlyle$9.694.6★2,962 rev

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

NUTRAHARMONY$19.664.7★3,700 rev

Pure Encapsulations B12 Liquid | 1 000 mcg Vitamin B12 (Methylcobalamin) Supplement to Support Nerves Immune Health Energy and Cognitive Function* | 1 fl. oz.

Pure Encapsulations$21.004.6★1,805 rev

Newest

by launch date

Liquid Vitamin B12 Drops 5000 mcg - Extra Strength B12 Methylcobalamin with B1 B6 B3 Folate Niacin - Fast Absorption Sublingual B-12 Drops for Energy Metabolism & Brain Function Vegan B Complex

JUIWEFKK$9.96107 rev

5mo ago

Nutricost Organic Vitamin B12 (Methylcobalamin) Liquid Drops (5 000mcg)

Nutricost$9.32110 rev

6mo ago

Liquid Vitamin B12 Drops 5000 mcg - Extra Strength B12 Methylcobalamin

JUIWEFKK$9.93115 rev

7mo ago

VivoNu Vitamin B Complex Vitamin B12 Liquid Drops Methylated Vitamin B1 B6 B3 B5 B2 Folate Biotin Choline Inositol with Vitamin C D A E Magnesium Zinc CoQ10 Non-GMO 2fl oz

VivoNu$11.66197 rev

7mo ago

(2-Pack) Methylated B Complex Liquid Drops - Vitamin B Complex with Active L Methylfolate - B12 Sublingual Drops - Vegan B12 Vitamin 5000mcg Non-GMO Raspberry Flavor No Sugar 2 Fl oz 80 Servings

NUSAVA$23.46151 rev

9mo ago

What buyers say about b12 liquid

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

What buyers love

Taste-Overall16%

“Not unpleasant tasting”

Quality-Overall12%

“Quality has been consistent”

Energy Level12%

“Good energy”

Vitamin12%

“Great vitamin for your health”

Ease Of Use5%

“Easy To Take”

Efficiency4%

“The drops work well”

Value For Money4%

“Fair price”

Flavor4%

“Strong flavor”

Advertised Vs Actual Product3%

“As advertised”

Focus Enhancement3%

“Definite improvement in focus”

What buyers complain about

Taste-Overall28%

“Doesnt taste very good”

Smell11%

“Bad SMELL”

Vitamin4%

“I don't like the taste of vitamins”

Dosage4%

“A bit tricky to measure the dose though”

Leak-Proof3%

“Sprayer Leakes”

Functionality-Overall3%

“Does not work well”

Energy Level3%

“No difference in energy”

Flavor2%

“Flavor disgusting”

Side Effects2%

“Side effects”

Quality-Overall2%

“Cheap quality”

Top return reasons

Taste-Overall19%

Leak-Proof18%

Functionality-Overall15%

Dosage7%

Smell6%

Side Effects6%

Advertised Vs Actual Product6%