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

The niche generates $137K/yr across 19 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is -29.5%. Flapen's verdict: Skip it (48/100).

How competitive is the kids b complex niche?

15 brands and 541 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 73% of demand.

What do buyers complain about in kids b complex?

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

When does demand for kids b complex peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

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

Listings span $7.80–$37.64; the average listing price is $19.36 (sweet spot $15–$100). The average incumbent carries 1,194 reviews — the moat a new listing must climb.

Kids B Complex

Skip it

Soft demand (-29.5% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$19.36

avg listing price — sweet spot $15–$100

Price range

Great$7.80–$37.64

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

Conversion

Good6.7%

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

Review moat

Good1,194.37

avg incumbent reviews — the moat a new listing must climb

Brand share

Good73%

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

Competition

Okay63%

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

Market size

Okay$137K

$137K/yr · 105K searches

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-29.5%

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

Is kids b complex profitable on Amazon?

According to Flapen's Amazon United States niche tracking, kids b complex is a $137K/yr Amazon United States market (105K searches/yr). The top 5 brands hold 73% of demand. Verdict: Skip it — 48/100.

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

kids b complex market size & sales

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

Units sold / yr: 5K–6K; avg 250–500/product
Revenue / yr: $97K–$116K; units × avg price
Conversion rate: 6.7%
Avg BSR: #352
Page quality: 0%
Prime: 100%
Sponsored: 95%
Out of stock: 5.6%
Avg brand age: 68 months
Avg seller age: 160 days

Competition: brands, sellers & click share

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 falling

Sellers

541

Top-5 brand share

73%

Top 20: 100%

Top-5 click share

63%

Top 20: 100%

Open market

22%

NutraChamps25%
MegaFood16%
Lifeable12%
CNCHEF11%
MARYRUTH'S10%
Triquetra Health5%

kids b complex demand & seasonality

Weekly Amazon search volume, last 104 weeks — -29.5% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top kids b complex search terms shoppers use

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

complejo b para nios19K/yr -37.0%1.7% conv.
b complex for kids14K/yr -25.0%4.7% conv.
kids b complex9K/yr -13.7%8.5% conv.
vitamin b complex for kids10K/yr -30.6%6.0% conv.
vitamin b for kids8K/yr -28.2%6.0% conv.
b complex kids6K/yr -25.1%6.0% conv.
b vitamins for kids5K/yr -1.6%4.5% conv.
kids vitamin b4K/yr -3.0%5.9% conv.
vitamin b1 for kids3K/yr +42.6%1.5% conv.
kids vitamin b complex5K/yr -26.9%7.1% conv.

All search terms

Top kids b complex 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 19 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

NutraChamps Organic Vitamin B Complex for Kids B1 B2 B3 B6 B7 B9 & Methyl B12 Kids B Complex Liquid Drops Supplement Energy Focus Metabolism Natural Berry 120 Servings 4 Month Supply

NutraChamps$22.174.7★779 rev

Vitamin B Complex for Kids B1 B2 B3 B6 B9(Folate) B12 Omega-3 & Magnesium Kids B Complex Liquid Supplement for Brain Energy Focus Metabolism Gut & Immune Support Strawberry Flavor 2 fl oz

CNCHEF$17.594.7★24 rev

Lifeable$17.404.6★989 rev

MARYRUTH'S$21.924.7★8,825 rev

MegaFood Kids Vitamin B Complex Cellular Energy Support 90 Mini Tablets

MegaFood$37.644.5★903 rev

Newest

by launch date

Vitamin B Complex for Kids B1 B2 B3 B6 B9(Folate) B12 Omega-3 & Magnesium Kids B Complex Liquid Supplement for Brain Energy Focus Metabolism Gut & Immune Support Strawberry Flavor 2 fl oz

CNCHEF$17.5924 rev

4mo ago

NATISLAND Methylated B Complex for Kids Vitamin B Complex Liquid Drops

NATISLAND$19.6329 rev

4mo ago

Vitamin B Complex for Kids with B1 B6 B9 B12 & Magnesium Super Greens Kids B Complex Supplement for Brain Support Energy & Focus Digestive Gut & Immune Support Strawberry Flavor 2 fl oz

GZ HAOYUAN$17.0013 rev

6mo ago

Organic FolinicActive Kids - Folinic Acid + B12 B6 & B2 Cofactors - Gentle Methylation Support for Mood Energy & Cognition Age Adjustable Dosing for Kids 1-18 Non GMO Vegan Berry Flavor (60mL)

Triquetra Health$23.61294 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

What reviews say buyers love and hate about kids b complex

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

What buyers love

Taste-Overall16%

“Doesnt taste bad”

Vitamin16%

“Great vitamin option”

Quality-Overall11%

“I appreciate the consistent quality”

Flavor5%

“Good flavor”

Ease Of Use5%

“easy to take care of”

Energy Level4%

“Seem to have a lot more energy”

Focus Enhancement4%

“Great for Mood”

Efficiency4%

“Very effective”

Nutritional Content2%

“Favorite daily supplement for my kids”

Value For Money2%

“Worth it”

What buyers complain about

Taste-Overall15%

“has a somewhat unpleasant aftertaste”

Side Effects8%

“Side effects”

Vitamin7%

“All vitamins had melted”

Functionality-Overall5%

“Didnt really work for my kids”

Sweetness4%

“feel like it had sugar”

Value For Money3%

“Waste of money”

Flavor3%

“didnt like the orange flavored one”

Adhesion/Stickiness3%

“A Disappointing Sticky Mass”

Age Suitability2%

“Hard pass - autistic teen”

Ingredients-Overall2%

“That is an ungodly about of biotin”

Top return reasons

Taste-Overall25%

Value For Money20%

Vitamin15%

Functionality-Overall10%

Sweetness10%

Ingredients-Overall5%

Age Suitability5%

Leak-Proof5%

Artificial Sweeteners5%

Common kids b complex questions

Is kids b complex profitable to sell on Amazon United States?: The niche generates $137K/yr across 19 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is -29.5%. Flapen's verdict: Skip it (48/100).
How competitive is the kids b complex niche?: 15 brands and 541 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 73% of demand.
What do buyers complain about in kids b complex?: Top complaints mined from reviews: Taste-Overall, Side Effects, Vitamin. The return rate is 0.0%.
When does demand for kids b complex peak?: Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the kids b complex niche?: Listings span $7.80–$37.64; the average listing price is $19.36 (sweet spot $15–$100). The average incumbent carries 1,194 reviews — the moat a new listing must climb.