Is b complex liquid profitable to sell on Amazon United States?

The niche generates $584K/yr across 26 tracked products. 5 of 6 products launched in the last 360 days are still selling. 90-day search growth is -2.4%. Flapen's verdict: Worth a look (58/100).

How competitive is the b complex liquid niche?

23 brands and 86 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 63% of demand.

What do buyers complain about in b complex liquid?

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

When does demand for b complex liquid peak?

Demand peaks in Nov; the busiest month runs 1.9× the quietest.

What does it cost to enter the b complex liquid niche?

Listings span $6.83–$42.23; the average listing price is $18.73 (sweet spot $15–$100). The average incumbent carries 2,928 reviews — the moat a new listing must climb.

b complex liquid

Worth a look

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$18.73

avg listing price — sweet spot $15–$100

Price range

Great$6.83–$42.23

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

Conversion

Great7.3%

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

Brand share

Good63%

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

Market size

Good$584K

$584K/yr · 428K searches

Competition

Okay59%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Okay2,927.85

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-2.4%

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

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, b complex liquid is a $584K/yr Amazon United States market (428K searches/yr). The top 5 brands hold 63% of demand. Demand peaks in Nov. Verdict: Worth a look — 58/100.

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

b complex liquid market data

Units sold / yr: 30K–40K; avg 1,500–2,000/product
Revenue / yr: $562K–$749K; units × avg price
Conversion rate: 7.3%
Avg BSR: #191
Page quality: 0%
Prime: 100%
Sponsored: 85%
Out of stock: 3.1%
Avg brand age: 91 months
Avg seller age: 156 days

Competition & brand share

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

Brands

23 rising

Sellers

Top-5 brand share

63%

Top 20: 97%

Top-5 click share

59%

Top 20: 94%

Open market

34%

NUTRAHARMONY18%
MARYRUTH'S15%
NUSAVA13%
Venture Pal10%
Double Wood Supplements7%
Triquetra Health4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -2.4% search growth over the last 90 days.

Peak months: Nov · busiest ÷ quietest = 1.9×

Open Trend

Top b complex liquid search terms

b complex liquid69K/yr +8.6%6.2% conv.
vitamin b complex liquid50K/yr +0.3%6.6% conv.
liquid vitamin b complex36K/yr +11.8%6.6% conv.
liquid b complex33K/yr -10.6%6.4% conv.
sublingual b complex31K/yr -18.5%6.3% conv.
b complex sublingual17K/yr +11.8%4.3% conv.
liquid b vitamins17K/yr +20.5%3.9% conv.
vitamin b liquid16K/yr +20.9%4.0% conv.
liquid vitamin b16K/yr +15.5%4.3% conv.
mary ruth b complex18K/yr -2.4%12.1% conv.

All search terms

Top b complex 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

USDA Organic Vitamin B-Complex 20000mcg - B5 B12 B1 B6 B7 B9 B3 - 2Oz

NUTRAHARMONY$22.514.4★7,709 rev

MARYRUTH'S$21.924.7★8,825 rev

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

Venture Pal Vitamin B Complex Liquid Drops B12 Methylcobalamin | B9 Folic | B1 B2 B3 B5 B6 B7 - Vitamin C Choline Inositol Immune & Energy Metabolism Brain & Heart Support

Venture Pal$16.204.6★1,226 rev

Double Wood Supplements Liquid Vitamin B Complex - 2 Month Supply - Max Absorption - B3 B6 B7 (Biotin) B9 and Vitamin B12 - Cherry Flavor - 2 FL OZ

Double Wood Supplements$7.954.5★710 rev

Newest

by launch date

Newpie Vitamin B Complex Liquid Drops - B12 Methylcobalamin B6 B1 Niacin & Folate Biotin Vitamin C Choline Inositol CoQ10 & Taurine - Methylated Sublingual for Energy & Focus - Vegan Organic

Newpie$20.2254 rev

4mo ago

BioActive Vitamin B Complex - Blood Stream Ready Methylated B Complex - Featuring Methylfolate 3 BioActive Forms of B12 BenfoPure B1 & Pantesin B5 - 12 B Vitamins in Clinical Doses - Liquid 8 oz

Triquetra Health$24.061,719 rev

5mo 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

Vitamin B Complex Liquid Drops for Women Men & Kids 15-in-1 VIT B Complex with Vitamin C B12 B6 B1 Niacin Folate Magnesium for Brain Nerve Neuropathy Energy Mood Health Sublingual B-Complex Drops

JUIWEFKK$10.01191 rev

9mo 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 b complex liquid

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

What buyers love

Vitamin16%

“Excellent vitamin”

Taste-Overall13%

“The taste is smooth”

Energy Level12%

“Good energy”

Quality-Overall12%

“The quality and the favor was exactly what was advertised”

Ease Of Use5%

“easy daily use”

Value For Money4%

“Not expensive”

Flavor3%

“The flavor is very yummy”

Advertised Vs Actual Product3%

“As advertised”

Efficiency3%

“seems effective”

Focus Enhancement2%

“energy focus”

What buyers complain about

Taste-Overall30%

“Disgusting Taste”

Smell12%

“Bad smell”

Vitamin6%

“I don't like the taste of vitamins”

Dosage3%

“Too high dosage”

Flavor3%

“flavor was so off putting”

Energy Level3%

“I felt no difference in energy levels”

Side Effects2%

“I couldn't take it made me nauseous”

Functionality-Overall2%

“Not effective”

Ingredients-Overall2%

“I dont know to which ingredient”

Pain Relief-Overall1%

“started getting back pain”

Top return reasons

Taste-Overall30%

Smell15%

Functionality-Overall10%

Vitamin10%

Leak-Proof8%

Charging5%

Size-Overall5%

Age Suitability5%

Side Effects5%

Advertised Vs Actual Product5%

Common questions

Is b complex liquid profitable to sell on Amazon United States?: The niche generates $584K/yr across 26 tracked products. 5 of 6 products launched in the last 360 days are still selling. 90-day search growth is -2.4%. Flapen's verdict: Worth a look (58/100).
How competitive is the b complex liquid niche?: 23 brands and 86 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 63% of demand.
What do buyers complain about in b complex liquid?: Top complaints mined from reviews: Taste-Overall, Smell, Vitamin. The return rate is 0.0%.
When does demand for b complex liquid peak?: Demand peaks in Nov; the busiest month runs 1.9× the quietest.
What does it cost to enter the b complex liquid niche?: Listings span $6.83–$42.23; the average listing price is $18.73 (sweet spot $15–$100). The average incumbent carries 2,928 reviews — the moat a new listing must climb.