Is calm kids profitable to sell on Amazon United States?

The niche generates $339K/yr across 13 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -7.3%. Flapen's verdict: Worth a look (50/100).

How competitive is the calm kids niche?

9 brands and 595 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 91% of demand.

What do buyers complain about in calm kids?

Top complaints mined from reviews: Functionality-Overall, Taste-Overall, Sleep Quality. The return rate is 0.0%.

When does demand for calm kids peak?

Demand peaks in Aug–Nov; the busiest month runs 2.9× the quietest.

What does it cost to enter the calm kids niche?

Listings span $9.69–$35.56; the average listing price is $18.77 (sweet spot $15–$100). The average incumbent carries 1,985 reviews — the moat a new listing must climb.

calm kids

Worth a look

Shows low returns (0.0%), but a concentrated shelf (top 5 take 76% of clicks) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$18.77

avg listing price — sweet spot $15–$100

Price range

Great$9.69–$35.56

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Good$339K

$339K/yr · 269K searches

Review moat

Okay1,984.69

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad91%

top-5 brand share — brand-locked demand

Growth

Bad-7.3%

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

Competition

Bad76%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United States niche tracking, calm kids is a $339K/yr Amazon United States market (269K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Aug–Nov. Verdict: Worth a look — 50/100.

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

calm kids market data

Units sold / yr: 15K–20K; avg 1,000–1,250/product
Revenue / yr: $282K–$375K; units × avg price
Conversion rate: 6.7%
Avg BSR: #324
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 42 months
Avg seller age: 157 days

Competition & brand share

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

Brands

9 falling

Sellers

595

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

76%

Top 20: 100%

Open market

Natural Vitality54%
OLLY20%
Zarbee's8%
MARYRUTH'S5%
Nordic Naturals4%
Vitamatic2%
Open — no brand owns it (3 brands, 6%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -7.3% search growth over the last 90 days.

Peak months: Aug, Nov · busiest ÷ quietest = 2.9×

Open Trend

Top calm kids search terms

kids calm gummies33K/yr -2.8%7.4% conv.
calm gummies kids33K/yr +6.3%5.8% conv.
kids calm32K/yr -5.3%4.3% conv.
calm kids33K/yr -14.0%6.7% conv.
calming gummies for kids21K/yr -7.6%3.1% conv.
calm for kids19K/yr -5.7%3.5% conv.
calm gummies for kids12K/yr +35.3%3.6% conv.
calm kids magnesium gummies15K/yr -21.8%10.0% conv.
magnesium calm gummies for kids5K/yr +35.4%2.2% conv.
calm kid5K/yr +80.5%0.4% conv.

All search terms

Top calm kids 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 13 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Natural Vitality Calm Magnesium Citrate Kids Supplement Stress Relief Gummies Supports a Healthy Response to Stress Gluten Free Vegan Sweet Citrus 120 Gummies

Natural Vitality$22.634.6★1,715 rev

OLLY Kids Chillax Gummy For a Calm and Relaxed Mood* Magnesium L-Theanine Lemon Balm Extract Chewable Supplement Sherbet Flavored 25 Day Supply - 50 Count (Packaging May Vary)

OLLY$11.554.4★5,684 rev

Natural Vitality Kids Calm | Magnesium Glycinate Gummies

Natural Vitality$16.374.3★82 rev

Zarbees Kids Calm Gummies with Magnesium for Kids Ages 5+ Melatonin-Free Support for a Calm Mind & Body Chamomile & Vitamin B6 Natural Raspberry Flavor 30 ct

Zarbee's$12.494.4★864 rev

Natural Vitality Calm Magnesium Powder | Mixed Berry Flavored Supplement

Natural Vitality$35.564.3★1,091 rev

Newest

by launch date

Natural Vitality Kids Calm | Magnesium Glycinate Gummies

Natural Vitality$16.3782 rev

7mo ago

OLLY Kids Chillax Gummy for a Calm and Relaxed Mood* Magnesium L-Theanine Lemon Balm Extract Chewable Supplement Sherbet Flavored 35 Day Supply - 70 Count (Packaging May Vary)

OLLY$15.525,684 rev

1y ago

Renzos Captain Calm Kids Magnesium Supplement with L-Theanine Dissolvable Kids Vitamins for Relaxation and Mood Support Sugar-Free Melty Tabs Green Apple Flavor 60-Count (1-2 Month Supply)

Renzo's$19.36361 rev

1y ago

Zarbees Kids Calm Gummies with Magnesium for Kids Ages 5+ Melatonin-Free Support for a Calm Mind & Body Chamomile & Vitamin B6 Natural Raspberry Flavor 30 ct

Zarbee's$12.49864 rev

2y ago

Nordic Naturals Kids Calm Gummies Magnesium L-Theanine - 60 Gummies

Nordic Naturals$24.18342 rev

2y ago

What buyers say about calm kids

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

What buyers love

Taste-Overall18%

“Good gummies, taste good and work well”

Sleep Quality16%

“Good night sleep”

Quality-Overall7%

“Good staff”

Magnesium7%

“These are our favorite magnesium gummies”

Soothing Effect6%

“Helps keep calm”

Flavor4%

“Good flavor”

Focus Enhancement4%

“The teachers and myself have noticed a difference with her focus as well”

Efficiency3%

“Good and effective”

Stress/Anxiety3%

“Helps anxiety”

Value For Money2%

“Worth it”

What buyers complain about

Functionality-Overall15%

“Didnt work”

Taste-Overall14%

“Awful taste”

Sleep Quality9%

“no improvement of sleep when given at night”

Flavor4%

“Flavor is not great”

Sour4%

“So sour”

Smell3%

“Chemical smell/taste”

Stress/Anxiety3%

“My son gets nervous and has anxiety and he didn't want him to be on meds”

Value For Money3%

“So disappointing, and such a waste of money”

Magnesium3%

“Does not contain magnesium glycinate”

Hard Feel2%

“Rock Hard”

Top return reasons

Age Suitability17%

Value For Money17%

Acid Regulator/Stomach Ache Relief8%

Taste-Overall8%

Magnesium8%

Joint Pain8%

Ingredients-Overall8%

Flavor8%

Functionality-Overall8%

Adhesion/Stickiness4%

Common questions

Is calm kids profitable to sell on Amazon United States?: The niche generates $339K/yr across 13 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -7.3%. Flapen's verdict: Worth a look (50/100).
How competitive is the calm kids niche?: 9 brands and 595 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in calm kids?: Top complaints mined from reviews: Functionality-Overall, Taste-Overall, Sleep Quality. The return rate is 0.0%.
When does demand for calm kids peak?: Demand peaks in Aug–Nov; the busiest month runs 2.9× the quietest.
What does it cost to enter the calm kids niche?: Listings span $9.69–$35.56; the average listing price is $18.77 (sweet spot $15–$100). The average incumbent carries 1,985 reviews — the moat a new listing must climb.