---
title: "Vitamin D3 10000 Iu — $813K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/vitamin-d3-10000-iu"
last_updated: "2026-08-09T19:09:21.531Z"
locale: en
meta:
description: "Niche score 58/100 · $813K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Aug 2026."
"og:description": "Niche score 58/100 · $813K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Aug 2026."
"og:title": "Vitamin D3 10000 Iu — $813K/yr Amazon US Niche (2026) - Flapen"
---
# **vitamin d3 10000 iu**
**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 73Growth 21Conversion 96Competition 48Returns 100Price range 83Avg price 82Brand share 62Review moat 17Quality gap 14
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****13.2%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$8.67–$49.77**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$17.60**
avg listing price — sweet spot $15–$100
**Market size**
**Good****$813K**
$813K/yr · 349K searches
**Brand share**
**Good****68%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****56%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-8.1%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****18,225.81**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.8★**
avg incumbent rating — lower means beatable quality
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, vitamin d3 10000 iu is a $813K/yr Amazon United States market (349K searches/yr). The top 5 brands hold 68% of demand. Verdict: Worth a look — 58/100.
Data updated Aug 5, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **vitamin d3 10000 iu market data**
- **Units sold / yr**
- **50K–60K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$880K–$1.1M**
- units × avg price
- **Conversion rate**
- **13.2%**
- **Avg BSR**
- **#132**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **81%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **73 months**
- **Avg seller age**
- **156 days**
## **Competition & brand share**
The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**17 **▼falling
**Sellers**
**120**
**Top-5 brand share**
**68%**
Top 20: 100%
**Top-5 click share**
**56%**
Top 20: 95%
**Open market**
**27%**
- Nature Made17% - Bronson16% - Carlyle12% - NOW Foods12% - NatureWise10% - Nature's Bounty6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -8.1% search growth over the last 90 days.
12K8K seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/health-household/vitamin-d3-10000-iu/trend)
## **Top vitamin d3 10000 iu search terms**
- **vitamin d 10000 iu**67K/yr-9.3%12.0% conv. - **vitamin d3 10000 iu**26K/yr+168.8%13.5% conv. - **vitamin d 10000**30K/yr+3.4%12.4% conv. - **vitamin d3 10000iu**82K/yr-64.9%8.6% conv. - **d3 10000 iu**18K/yr+10.8%9.5% conv. - **d3 vitamin 10000 iu**17K/yr-7.5%13.7% conv. - **vitamin d3 10000**17K/yr+3.9%12.6% conv. - **d3 10000**12K/yr+9.5%12.9% conv. - **vit d3 10000 iu softgels**9K/yr+25.8%5.9% conv. - **vitamina d3 10000 iu**20K/yr-57.7%3.7% conv. [**All search terms **](https://flapen.com/research/us/health-household/vitamin-d3-10000-iu/search-terms)
## **Top vitamin d3 10000 iu 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%4%$33K8%$65K12%$98K16%$130K101001K10K100K1.0M Reviews — right = deep review moatMarket 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.
### **Top sellers**
by 90-day click share
[1**Nature Made Vitamin D3 10000 IU (250 mcg) Maximum Strength 60 Softgels**Nature Made**$14.50**4.8★3,783 rev](https://www.amazon.com/dp/B09RQYSGN4) [2**Bronson Vitamin D3 10 000 IU (250 mcg) Immune & Muscle Support 360 Tablets**Bronson**$9.53**4.7★11,056 rev](https://www.amazon.com/dp/B0B13B147F) [3**Carlyle Vitamin D3 10000 IU (250 mcg) | 400 Softgels**Carlyle**$10.37**4.8★22,589 rev](https://www.amazon.com/dp/B07GRBQY5B) [4**NatureWise Vitamin D3 10000IU Supplement Immune Support 90 Mini Softgels**NatureWise**$13.83**4.7★195,696 rev](https://www.amazon.com/dp/B0DPNNFXZS) [5**NOW Foods Supplements Vitamin D-3 10 000 IU Highest Potency Structural Support* 120 Softgels**NOW Foods**$9.63**4.8★8,728 rev](https://www.amazon.com/dp/B00F45EQ4W)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**NOW Foods Supplements Vitamin D-3 10 000 IU Highest Potency Structural Support* 200 Softgels**NOW Foods**$17.21**75 rev6mo ago](https://www.amazon.com/dp/B0GFXBXJFK) [**NatureWise Vitamin D3 10000IU Supplement Immune Support 90 Mini Softgels**NatureWise**$13.83**195,696 rev1y ago](https://www.amazon.com/dp/B0DPNNFXZS) [**Micro Ingredients Vitamin D3 10 000 IU 400 Softgels | Virgin Coconut Oil | Cholecalciferol Form | Bone Immune & Heart Support | Easy to Swallow Non-GMO**Micro Ingredients**$10.37**164 rev1y ago](https://www.amazon.com/dp/B0DK67ZTSP) [**BulkSupplements.com Vitamin D3 10000IU Softgels - Cholecalciferol D3 Supplement Vitamin D 10000 IU - 1 Vitamin D3 Softgel (250mcg of Vitamin D) per Serving - 500-Day Supply 500 Softgels**BulkSupplements**$20.45**298 rev3y ago](https://www.amazon.com/dp/B0CDMX6QSH) [**Bronson Vitamin D3 10 000 IU (250 mcg) High Potency - Supports Healthy Immune System Strong Bones Muscles & Teeth - Non GMO 180 Softgels**Bronson**$9.94**2,649 rev3y ago](https://www.amazon.com/dp/B0C158G3JS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**NOW Foods Supplements Vitamin D-3 10 000 IU Highest Potency Structural Support* 200 Softgels**NOW Foods**$17.21**4.8★**▲ 207%**](https://www.amazon.com/dp/B0GFXBXJFK) [**Micro Ingredients Vitamin D3 10 000 IU 400 Softgels | Virgin Coconut Oil | Cholecalciferol Form | Bone Immune & Heart Support | Easy to Swallow Non-GMO**Micro Ingredients**$10.37**4.8★**▲ 64%**](https://www.amazon.com/dp/B0DK67ZTSP) [**Puritans Pride Premium Sunvite Mega-Potency Vitamin D3 10 000 IU**Puritan's Pride**$9.92**4.7★**▲ 35%**](https://www.amazon.com/dp/B0B4YCTWHN) [**Nature Made Vitamin D3 1000 IU (25 mcg) 180 Vitamin D Softgels**Nature Made**$8.67**4.8★**▲ 29%**](https://www.amazon.com/dp/B004U3Y8SI) [**Metagenics Vitamin D3 and Vitamin K2 10 000 IU with MK-7- Vitamin D3 with K2 for Immune Support Bone & Heart Health-Non-GMO Gluten-Free-60 Softgels**Metagenics**$30.10**4.7★**▲ 28%**](https://www.amazon.com/dp/B00ECH40MQ)
**~~View all trending →~~**
## **What buyers say about vitamin d3 10000 iu**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Vitamin**23%
*“Great Vitamin Supplement”*
**Quality-Overall**22%
*“Quality at a fair price”*
**Value For Money**11%
*“Great deal”*
**Ease Of Chewing/Swallowing**6%
*“It is easy to use especially swallowing”*
**Advertised Vs Actual Product**6%
*“accurately described”*
**Efficiency**3%
*“Very Effective”*
**Dosage**3%
*“Great dosage”*
**Nutritional Content**2%
*“Best nutritional products”*
**Ease Of Use**2%
*“makes it a lot easier to keep up with”*
**Ingredients-Overall**2%
*“no unnecessary ingredients”*
### **What buyers complain about **
**Vitamin**17%
*“Be very careful with this vitamin”*
**Dosage**10%
*“This is a very high dosage”*
**Size-Overall**7%
*“Super small”*
**Value For Money**4%
*“Overpriced”*
**Side Effects**3%
*“talk to your doctor because this product may do more harm than good”*
**Ingredients-Overall**3%
*“Ingredients contain soybean oil”*
**Advertised Vs Actual Product**3%
*“DOES NOT ADDRESS THIS IN THE PRODUCT DESCRIPTION”*
**Quality-Overall**3%
*“Not the best”*
**Smell**2%
*“The smell is too strong”*
**Functionality-Overall**2%
*“Cant provide results yet”*
### **Top return reasons **
**Dosage**35%
**Ingredients-Overall**15%
**Vitamin**10%
**Smell**8%
**Value For Money**4%
**Advertised Vs Actual Product**4%
**Functionality-Overall**4%
**Size-Overall**4%
**Quality-Overall**4%
**Certifications**4%
## **Common questions**
- **Is vitamin d3 10000 iu profitable to sell on Amazon United States?**
- The niche generates $813K/yr across 26 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -8.1%. Flapen's verdict: Worth a look (58/100).
- **How competitive is the vitamin d3 10000 iu niche?**
- 17 brands and 120 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 68% of demand.
- **What do buyers complain about in vitamin d3 10000 iu?**
- Top complaints mined from reviews: Vitamin, Dosage, Size-Overall. The return rate is 0.0%.
- **When does demand for vitamin d3 10000 iu peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the vitamin d3 10000 iu niche?**
- Listings span $8.67–$49.77; the average listing price is $17.60 (sweet spot $15–$100). The average incumbent carries 18,226 reviews — the moat a new listing must climb.
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