---
title: "Kids Vitamin D — $56K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/kids-vitamin-d"
last_updated: "2026-08-12T14:13:12.853Z"
locale: en
meta:
description: "Amazon product research for kids vitamin d: $56K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for kids vitamin d: $56K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Kids Vitamin D — $56K/mo Amazon US Product Research (2026)"
---
# **Kids Vitamin D**
**Worth a look**
Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 67Growth 21Conversion 79Competition 56Returns 100Price range 66Avg price 79Brand share 58Review moat 36Quality gap 19
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****8.0%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$16.65**
avg listing price — sweet spot $15–$100
**Market size**
**Good****$673K**
$673K/yr · 508K searches
**Price range**
**Good****$8.72–$27.20**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****70%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****51%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****2,902.09**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-7.2%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
## **Is kids vitamin d profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, kids vitamin d is a $673K/yr Amazon United States market (508K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Jan. Verdict: Worth a look — 56/100.
Data updated Aug 5, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **kids vitamin d market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **50K–60K**
- avg 2,000–2,500/product
- **Revenue / yr**
- **$833K–$999K**
- units × avg price
- **Conversion rate**
- **8.0%**
- **Avg BSR**
- **#120**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **91%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **80 months**
- **Avg seller age**
- **154 days**
## **Competition: brands, sellers & click share**
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**16 **▼falling
**Sellers**
**587**
**Top-5 brand share**
**70%**
Top 20: 100%
**Top-5 click share**
**51%**
Top 20: 98%
**Open market**
**25%**
- Mama Bear23% - MARYRUTH'S21% - Nordic Naturals13% - Llama Naturals8% - Renzo's6% - The Feel Great Vitamin Company5%
## **kids vitamin d demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -7.2% search growth over the last 90 days.
15K10KSpike '25Prime Day '25 seasonSepDecMarJunAugNovMarMay
Peak months: Jan · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/health-household/kids-vitamin-d/trend)
## **Top kids vitamin d search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **kids vitamin d**129K/yr-14.6%10.1% conv. - **vitamin d for kids**111K/yr-12.8%7.4% conv. - **vitamin d kids**75K/yr-8.6%8.2% conv. - **vitamin d3 for kids**22K/yr+15.3%3.2% conv. - **vitamin d gummies for kids**25K/yr-18.8%10.6% conv. - **kids vitamin d3**17K/yr+13.2%5.4% conv. - **kids vitamin d gummies**16K/yr+8.6%6.4% conv. - **vitamin d3 kids**18K/yr-13.7%6.6% conv. - **vitamin d for kids 6-12 years**14K/yr-19.6%6.3% conv. - **kid vitamin d**9K/yr+49.1%3.9% conv. [**All search terms **](https://flapen.com/research/us/health-household/kids-vitamin-d/search-terms)
## **Top kids vitamin d 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.
0%10%$67K20%$135K30%$202K40%$269K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 22 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Amazon Brand - Mama Bear Organic Kids Vitamin D3 25 mcg (1000 IU) Gummies per serving Bone and Immune Health Strawberry 80 Count**Mama Bear**$10.14**4.8★5,900 rev](https://www.amazon.com/dp/B07NW4X9PV) [2**MARYRUTHS USDA Organic Vitamin D3 Liquid Drops for Kids | 640 IU Vitamin D3 Per Serving | Kids Immune Support & Bone Health Supplement | Formulated for Ages 4-13 | 0.5oz | 30 Servings**MARYRUTH'S**$18.04**4.7★1,023 rev](https://www.amazon.com/dp/B08TC5GB4W) [3**Nordic Naturals Kids Vitamin D3 Gummies 400 IU Watermelon - 60 Count**Nordic Naturals**$18.55**4.7★3,055 rev](https://www.amazon.com/dp/B088VG5GWS) [4**Nordic Naturals Kids Vitamin D3 Gummies 400 IU Watermelon - 60 Count**Nordic Naturals**$10.67**4.7★3,055 rev](https://www.amazon.com/dp/B01DAKIH10) [5**Renzos Dynamite Vitamin D3 Dissolving Kids Vitamin D3 60 Sugar-Free Melty Tabs Lil Green Apple Flavored**Renzo's**$16.04**4.8★2,130 rev](https://www.amazon.com/dp/B06XXW2FKQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Llama Naturals Kids Vitamin D3 K2 Gummies Vegan Organic Children Toddler Vitamin D Gummies Real Fruit Gummy Vitamins No Added Sugar Cane Raspberry 60 Ct**Llama Naturals**$20.79**75 rev1y ago](https://www.amazon.com/dp/B0FDT46WYY) [**Vitamin D3 K2 + Calcium Liquid-filled Gummies for Kids & Teens 1000IU / 2000IU D3 with Magnesium Algal Omega 3 Kids Vitamins for Bones & Teeth Calcium Absorption Brain Immune Sugar-Free 60Cts**LILICARE**$25.52**321 rev1y ago](https://www.amazon.com/dp/B0DZCGM45Y) [**SmartyPants Kids Multivitamin Gummies with Omega 3 DHA/EPA Vitamins D3 C B12 B6 A K and Zinc Gluten Free Clean Label Three Fruit Flavors 60 Gummies (30 Day Supply)**SmartyPants**$15.83**2,463 rev1y ago](https://www.amazon.com/dp/B0DCZYSJKT) [**NutraChamps Kids Vitamin D 3 K2 Drops Vitamin D3 & K2 MK-7 Liquid Vitamin D for Kids 1000 IU Healthy Bones Heart & Immune System Sugar Free Supplement for Toddlers 300 Servings**NutraChamps**$19.21**412 rev3y ago](https://www.amazon.com/dp/B0BNCDLJMV) [**Chewable Vitamin D Gummies for Kids - Delicious Vitamin D 1000 IU Per Serving - Toddlers Immune Support Gummies - Berries Flavored Supplement for Bones Health & Muscles - Gelatin Free - 60 Count**Natures Craft**$11.30**285 rev3y ago](https://www.amazon.com/dp/B0BMB9BWTS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Llama Naturals Kids Vitamin D3 K2 Gummies Vegan Organic Children Toddler Vitamin D Gummies Real Fruit Gummy Vitamins No Added Sugar Cane Raspberry 60 Ct**Llama Naturals**$20.79**4.7★**▲ 136%**](https://www.amazon.com/dp/B0FDT46WYY) [**Chewable Vitamin D Gummies for Kids - Delicious Vitamin D 1000 IU Per Serving - Toddlers Immune Support Gummies - Berries Flavored Supplement for Bones Health & Muscles - Gelatin Free - 60 Count**Natures Craft**$11.30**4.7★**▲ 91%**](https://www.amazon.com/dp/B0BMB9BWTS) [**Nordic Naturals Kids Vitamin D3 Gummies 400 IU Watermelon - 60 Count**Nordic Naturals**$18.55**4.7★**▲ 34%**](https://www.amazon.com/dp/B088VG5GWS) [**MARYRUTHS Organic Vitamin D3 Gummies 1000 IU Immune Support 60 Count**MARYRUTH'S**$27.20**4.7★**▲ 34%**](https://www.amazon.com/dp/B0BL9ZQGBY) [**NutraChamps Kids Vitamin D 3 K2 Drops Vitamin D3 & K2 MK-7 Liquid Vitamin D for Kids 1000 IU Healthy Bones Heart & Immune System Sugar Free Supplement for Toddlers 300 Servings**NutraChamps**$19.21**4.7★**▲ 30%**](https://www.amazon.com/dp/B0BNCDLJMV)
**~~View all trending →~~**
## **What reviews say buyers love and hate about kids vitamin d**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Vitamin**25%
*“Quality vitamins”*
**Taste-Overall**22%
*“No complaints about taste”*
**Quality-Overall**7%
*“high-quality supplement to keep my daily vitamins in check”*
**Flavor**6%
*“Easy to chew and flavorful”*
**Ease Of Use**4%
*“Easy to use”*
**Value For Money**4%
*“Good value”*
**Sweetness**3%
*“Sweet gum, kids love it”*
**Advertised Vs Actual Product**3%
*“As described”*
**Ease Of Chewing/Swallowing**2%
*“Easy to chew”*
**Nutritional Content**2%
*“meet all their nutritional needs”*
### **What buyers complain about **
**Taste-Overall**19%
*“tastes like chemicals”*
**Vitamin**9%
*“All vitamins had melted”*
**Sweetness**7%
*“Too Sweet”*
**Value For Money**5%
*“expensive”*
**Adhesion/Stickiness**4%
*“A Disappointing Sticky Mass”*
**Flavor**4%
*“Not a good flavor”*
**Artificial Sweeteners**3%
*“a lot of sugar inside”*
**Ease Of Use**2%
*“basically impossible to pry out of the bottle”*
**Stale/Rotten/Spoiled**2%
*“Mold in product”*
**Texture/Consistency-Overall**2%
*“Weird texture, tastes like chemicals”*
### **Top return reasons **
**Vitamin**15%
**Taste-Overall**15%
**Artificial Sweeteners**8%
**Value For Money**8%
**Dosage**8%
**Sweetness**8%
**Size-Overall**8%
**Leak-Proof**8%
**Regulates Digestion**4%
**Acid Regulator/Stomach Ache Relief**4%
## **Common kids vitamin d questions**
- **Is kids vitamin d profitable to sell on Amazon United States?**
- The niche generates $673K/yr across 22 tracked products. 90-day search growth is -7.2%. Flapen's verdict: Worth a look (56/100).
- **How competitive is the kids vitamin d niche?**
- 16 brands and 587 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 70% of demand.
- **What do buyers complain about in kids vitamin d?**
- Top complaints mined from reviews: Taste-Overall, Vitamin, Sweetness. The return rate is 0.0%.
- **When does demand for kids vitamin d peak?**
- Demand peaks in Jan; the busiest month runs 1.7× the quietest.
- **What does it cost to enter the kids vitamin d niche?**
- Listings span $8.72–$27.20; the average listing price is $16.65 (sweet spot $15–$100). The average incumbent carries 2,902 reviews — the moat a new listing must climb.
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