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65

vitamin b complex

Worth a look

Shows a $15.3M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 100Growth 20Conversion 96Competition 61Returns 100Price range 74Avg price 83Brand share 74Review moat 20Quality gap 22

Market size

Incredible$15.3M

$15.3M/yr · 6.5M searches

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible13.0%

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

Avg price

Great$18.20

avg listing price — sweet spot $15–$100

Brand share

Good61%

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

Price range

Good$5.70–$41.80

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

Competition

Good48%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-10.1%

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

Review moat

Bad12,954.41

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, vitamin b complex is a $15.3M/yr Amazon United States market (6.5M searches/yr). The top 5 brands hold 61% of demand. Demand peaks in Jan. Verdict: Worth a look — 65/100.

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

vitamin b complex market data

Units sold / yr
800K–1.0M
avg 30,000–40,000/product
Revenue / yr
$14.6M–$18.2M
units × avg price
Conversion rate
13.0%
Avg BSR
#68
Page quality
0%
Prime
100%
Sponsored
88%
Out of stock
0.0%
Avg brand age
77 months
Avg seller age
143 days

Competition & brand share

The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.

Brands

22 rising

Sellers

214

Top-5 brand share

61%

Top 20: 98%

Top-5 click share

48%

Top 20: 87%

Open market

34%

  • Nature Made24%
  • Nature's Bounty16%
  • Pure Encapsulations8%
  • NatureWise6%
  • NUTRAHARMONY6%
  • Bronson6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -10.1% search growth over the last 90 days.
3.5M2.5MSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 16.1×

Top vitamin b complex search terms

  • vitamin b complex1.7M/yr
  • b complex1.1M/yr
  • b complex vitamins684K/yr
  • vitamin b600K/yr
  • b complex vitamins for women399K/yr
  • vitamin b complex for women236K/yr
  • b vitamins214K/yr
  • super b complex203K/yr
  • complejo b189K/yr
  • b complex vitamins for men155K/yr
All search terms

Top vitamin b complex 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.

0%5%$763K10%$1.5M15%$2.3M20%$3.1M1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about vitamin b complex

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

What buyers love

Vitamin19%

“Best Vitamins”

Quality-Overall15%

“Great quality, exactly as described, and arrived on time”

Energy Level11%

“GREAT ENERGY”

Taste-Overall6%

“Doesn't taste bad”

Value For Money6%

“Money well spent”

Advertised Vs Actual Product4%

“As advertised”

Efficiency3%

“seems effective”

Ease Of Use3%

“Great use every day”

Ease Of Chewing/Swallowing2%

“Not hard to swallow”

Nutritional Content1%

“Delicious protein coffee”

What buyers complain about

Taste-Overall21%

“Doesnt taste very good”

Smell13%

“Bad Odor”

Vitamin7%

“These vitamins are disgusting”

Dosage4%

“Dangerously too high of dosage”

Side Effects3%

“I couldn't take it made me nauseous”

Energy Level3%

“No difference in energy”

Functionality-Overall2%

“Not effective”

Allergies2%

“Maybe Allergic to some”

Ingredients-Overall2%

“Niacinamide which is b3 on this form is purely poison”

Quality-Overall2%

“Definitely a quality control issue”

Top return reasons

Vitamin22%
Value For Money14%
Functionality-Overall9%
Dosage7%
Smell7%
Taste-Overall7%
Product Condition5%
Advertised Vs Actual Product5%
Ease Of Use4%
Quality-Overall4%

Common questions

Is vitamin b complex profitable to sell on Amazon United States?
The niche generates $15.3M/yr across 32 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -10.1%. Flapen's verdict: Worth a look (65/100).
How competitive is the vitamin b complex niche?
22 brands and 214 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 61% of demand.
What do buyers complain about in vitamin b complex?
Top complaints mined from reviews: Taste-Overall, Smell, Vitamin. The return rate is 0.0%.
When does demand for vitamin b complex peak?
Demand peaks in Jan; the busiest month runs 16.1× the quietest.
What does it cost to enter the vitamin b complex niche?
Listings span $5.70–$41.80; the average listing price is $18.20 (sweet spot $15–$100). The average incumbent carries 12,954 reviews — the moat a new listing must climb.