Kids Calcium
Worth a lookShows 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
Incredible$24.87avg listing price — sweet spot $15–$100
Price range
Great$9.84–$52.62cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Great51%top-5 brand share — no brand owns this niche
Conversion
Good6.2%search→purchase rate — share of searches ending in a sale
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Market size
Good$444K$444K/yr · 289K searches
Review moat
Good1,206.56avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-8.0%90-day search growth — must beat 0% to launch
Is kids calcium profitable on Amazon?
According to Flapen's Amazon United States niche tracking, kids calcium is a $444K/yr Amazon United States market (289K searches/yr). The top 5 brands hold 51% of demand. Verdict: Worth a look — 62/100.
Data updated Jul 5, 2026 · scored weekly · How we score niches
kids calcium market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 20K–25K
- avg 500–750/product
- Revenue / yr
- $497K–$622K
- units × avg price
- Conversion rate
- 6.2%
- Avg BSR
- #514
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 85%
- Out of stock
- 0.3%
- Avg brand age
- 71 months
- Avg seller age
- 156 days
Competition: brands, sellers & click share
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.Brands
22 rising
Sellers
575
Top-5 brand share
51%
Top 20: 98%
Top-5 click share
49%
Top 20: 92%
Open market
42%
- Lil Critters17%
- SmartyPants10%
- MARYRUTH'S9%
- ChiQwench8%
- CHILDLIFE ESSENTIALS7%
- Nextdia7%
kids calcium demand & seasonality
Weekly Amazon search volume, last 104 weeks — -8.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top kids calcium search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- kids calcium57K/yr
- calcium for kids49K/yr
- calcio para nios23K/yr
- kids calcium gummies23K/yr
- calcium kids19K/yr
- kids calcium supplement16K/yr
- calcium gummies for kids21K/yr
- calcium supplements for kids16K/yr
- kids calcium and vitamin d10K/yr
- calcium gummies kids7K/yr
Top kids calcium 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Lil Critters Kids Calcium and Vitamin D3 Gummies | 120 Gummy Vitamins | Assorted Fruit Flavors | Gluten Free Childrens Bone & Teeth Supplement
Lil Critters$12.874.6★465 rev
SmartyPants Kids Bone Support 4-in-1 Gummies with Calcium Vitamin D3 K2 & Phosphorus for Growing Bones Strawberry Mango 60 Count (30 Day Supply)
SmartyPants$20.184.6★58 rev
MARYRUTHS Organics Calcium with Vitamin D & Vitamin K2 2 Month Supply Calcium Supplement Supports Bone Health & Joint Support with Vitamins D3 K2 Gummies Vegan Non-GMO Gluten Free 60 Count
MARYRUTH'S$25.524.2★4,865 rev
Kids Calcium Gummies + D3 & Magnesium for 4+ with Calcium Citrate Calcium Gluconate Calcium Lactate Probiotics & Prebiotics for Children Bone Health Muscle Support Digestive Health Sugar Free 60Cts
Nextdia$25.274.6★324 rev
Natures Way Kids Growing Bones & Muscles Gummies Kids Supporting Healthy Bone & Muscle Development with Calcium Magnesium Vitamins D3 & K1* Ages 2+ Berry Flavored 60 Gummies
Nature's Way$11.324.4★1,402 rev
Newest
by launch dateSmartyPants Kids Bone Support 4-in-1 Gummies with Calcium Vitamin D3 K2 & Phosphorus for Growing Bones Strawberry Mango 60 Count (30 Day Supply)
SmartyPants$20.1858 rev
Kids Calcium Magnesium Supplement Gummies - Calcium Citrate 800mg with Magnesium Glycinate 200mg L-Theanine Vitamin D3 K2 & Omega-3 Multivitamin for Kids Day & Night Gummies - Vegan Sugar Free
ICKNUTTY$34.5940 rev
Kids Calcium Citrate Gummies with Vitamin D3 Supplement Calcium Citrate 300/600 mg with Magnesium Zinc & Multivitamin for Kids 4+ & Teens Support Bone Muscle & Digestive Health Sugar Free 60ct
LUCNVEM$23.6849 rev
maxmedix Kids Calcium Gummies with Vitamin D3 | 320mg Calcium Supplement with 800IU Vitamin D3 | 90 Gummies (45-Day Supply) | Natural Vanilla & Strawberry Flavors Gluten-Free Non-GMO
maxmedix$15.89864 rev
Kids Calcium Gummies with Vitamin D3 K2 - Calcium Citrate with Magnesium Zinc Omega-3 and Probiotics for Kids Bone Health Digestive & Development Support - Sugar Free Gummies Non-GMO Vegan
Edmmyliy$35.3942 rev
Trending
90-day click momentumSmartyPants Kids Bone Support 4-in-1 Gummies with Calcium Vitamin D3 K2 & Phosphorus for Growing Bones Strawberry Mango 60 Count (30 Day Supply)
SmartyPants$20.184.6★
maxmedix Kids Calcium Gummies with Vitamin D3 | 320mg Calcium Supplement with 800IU Vitamin D3 | 90 Gummies (45-Day Supply) | Natural Vanilla & Strawberry Flavors Gluten-Free Non-GMO
maxmedix$15.894.6★
Kids Calcium Magnesium Supplement Gummies - Calcium Citrate 800mg with Magnesium Glycinate 200mg L-Theanine Vitamin D3 K2 & Omega-3 Multivitamin for Kids Day & Night Gummies - Vegan Sugar Free
ICKNUTTY$34.594.6★
Kids Calcium Citrate Gummies with Vitamin D3 Supplement Calcium Citrate 300/600 mg with Magnesium Zinc & Multivitamin for Kids 4+ & Teens Support Bone Muscle & Digestive Health Sugar Free 60ct
LUCNVEM$23.684.8★
Kids Calcium Gummies with Vitamin D3 K2 - Calcium Citrate with Magnesium Zinc Omega-3 and Probiotics for Kids Bone Health Digestive & Development Support - Sugar Free Gummies Non-GMO Vegan
Edmmyliy$35.394.8★
What reviews say buyers love and hate about kids calcium
What buyers praise and complain about, mined from review topics.What buyers love
“The gummies taste good”
“Excellent vitamins”
“The grape flavor is pleasant”
“Really great tasting Calcium supplement gummies”
“I love chewable”
“theyve been a great addition to our daily health regimen”
“trusted brand, good for kids”
“have clean ingredients”
“Very convenient and great value for the price”
“Great value for money”
What buyers complain about
“Taste is off-putting”
“Too sugary”
“weird texture”
“Waste of money”
“And the flavor is off-putting”
“that stated that recent research found that D3 does not help the absorption of calcium”
“NOT a gummy chew”
“Chemical smell”
“which has been a problem with other chewable vitamins in the past”
“The pills are too big for children”
Top return reasons
Common kids calcium questions
- Is kids calcium profitable to sell on Amazon United States?
- The niche generates $444K/yr across 27 tracked products. 4 of 6 products launched in the last 360 days are still selling. 90-day search growth is -8.0%. Flapen's verdict: Worth a look (62/100).
- How competitive is the kids calcium niche?
- 22 brands and 575 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 51% of demand.
- What do buyers complain about in kids calcium?
- Top complaints mined from reviews: Taste-Overall, Sweetness, Texture/Consistency-Overall. The return rate is 0.0%.
- When does demand for kids calcium peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the kids calcium niche?
- Listings span $9.84–$52.62; the average listing price is $24.87 (sweet spot $15–$100). The average incumbent carries 1,207 reviews — the moat a new listing must climb.