---
title: "Vitamin D 20000 Iu — $307K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/vitamin-d-20000-iu"
last_updated: "2026-08-09T17:59:41.209Z"
locale: en
meta:
description: "Niche score 45/100 · $307K/yr market · 62K searches/yr · $27.12 avg price. Doesn't clear our bar today. Data updated Aug 2026."
"og:description": "Niche score 45/100 · $307K/yr market · 62K searches/yr · $27.12 avg price. Doesn't clear our bar today. Data updated Aug 2026."
"og:title": "Vitamin D 20000 Iu — $307K/yr Amazon US Niche (2026) - Flapen"
---
# **vitamin d 20000 iu**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 51Growth 21Conversion 99Competition 7Returns 100Price range 95Avg price 95Brand share 0Review moat 42Quality gap 19
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****18.3%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$27.12**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$17.16–$35.95**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$307K**
$307K/yr · 62K searches
**Review moat**
**Okay****2,277**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-7.3%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****91%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, vitamin d 20000 iu is a $307K/yr Amazon United States market (62K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 45/100.
Data updated Aug 5, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **vitamin d 20000 iu market data**
- **Units sold / yr**
- **10K–13K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **$271K–$339K**
- units × avg price
- **Conversion rate**
- **18.3%**
- **Avg BSR**
- **#105**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **86%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **71 months**
- **Avg seller age**
- **156 days**
## **Competition & brand share**
The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**2 **▲rising
**Sellers**
**6**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**91%**
Top 20: 100%
**Open market**
**0%**
- Metagenics97% - Micro Ingredients3% - Open — no brand owns it (0%)
## **Demand**
Weekly Amazon search volume, last 18 weeks — -7.3% search growth over the last 90 days.
1K600Spike '26Prime Day '26Apr '26Apr '26May '26Jun '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/us/health-household/vitamin-d-20000-iu/trend)
## **Top vitamin d 20000 iu search terms**
- **metagenics d3 10000 with k2**8K/yr+41.4%12.9% conv. - **metagenics vitamin d**8K/yr-5.3%15.7% conv. - **metagenics vitamin d3**8K/yr-18.8%21.1% conv. - **metagenics d3**5K/yr-3.4%19.1% conv. - **metagenics vitamin d3 10 000 k**5K/yr-21.0%32.1% conv. - **vitamin d3 k2 50000iu**4K/yr-37.9%1.1% conv. - **metagenics vitamin d3 10 000+ k**2K/yr+1.7%32.5% conv. - **vitamin d3 20000 iu**3K/yr+19.1%0.2% conv. - **vitamin d3 20000iu**7K/yr-37.0%0.0% conv. - **high dose vitamin d3 k2**4K/yr-9.4%3.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/vitamin-d-20000-iu/search-terms)
## **Top vitamin d 20000 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%15%$46K30%$92K45%$138K60%$184K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 7 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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★5,560 rev](https://www.amazon.com/dp/B00ECH40MQ) [2**Metagenics Vitamin D3 and Vitamin K2 5 000 IU with MK-7- Vitamin D3 with K2 for Immune Support Bone & Heart Health-Non-GMO Gluten-Free-60 Softgels**Metagenics**$27.25**4.7★3,312 rev](https://www.amazon.com/dp/B07Q599VMT) [3**Metagenics Vitamin D3 5000 IU Supplement - High Potency Softgels for Immune Bone & Heart Health* - 125 mcg Cholecalciferol in Coconut Oil for Enhanced Absorption* - Non-GMO Gluten-Free - 60 Count**Metagenics**$17.16**4.7★2,559 rev](https://www.amazon.com/dp/B0DH8PF5ZS) [4**Metagenics Vitamin D3 1000 IU - Vitamin D Supplement for Healthy Bone Formation Cardiovascular Health and Immune Support - 120 Count**Metagenics**$24.44**4.7★294 rev](https://www.amazon.com/dp/B004GLJWNU) [5**Metagenics D3 2000 IU Complex Vitamin D3 Supplement - Supports Bone Health Immune & Healthy Inflammation Response* - with Isoflavones for Absorption - Gluten Free - 3 Month Supply - 90 Count**Metagenics**$30.34**4.8★279 rev](https://www.amazon.com/dp/B004VZ108Q)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Metagenics Vitamin D3 5000 IU Supplement - High Potency Softgels for Immune Bone & Heart Health* - 125 mcg Cholecalciferol in Coconut Oil for Enhanced Absorption* - Non-GMO Gluten-Free - 60 Count**Metagenics**$17.16**2,559 rev1y ago](https://www.amazon.com/dp/B0DH8PF5ZS) [**Micro Ingredients Vitamin D3 50 000 IU + K2 MK-7 200 mcg 240 Softgels | Virgin Coconut Oil | 2-in-1 Support | Easy to Swallow Non-GMO**Micro Ingredients**$35.95**1,376 rev3y ago](https://www.amazon.com/dp/B0C35N273V) [**Metagenics Vitamin D3 and Vitamin K2 5 000 IU with MK-7- Vitamin D3 with K2 for Immune Support Bone & Heart Health-Non-GMO Gluten-Free-60 Softgels**Metagenics**$27.25**3,312 rev7y ago](https://www.amazon.com/dp/B07Q599VMT) [**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**5,560 rev13y ago](https://www.amazon.com/dp/B00ECH40MQ) [**Metagenics D3 2000 IU Complex Vitamin D3 Supplement - Supports Bone Health Immune & Healthy Inflammation Response* - with Isoflavones for Absorption - Gluten Free - 3 Month Supply - 90 Count**Metagenics**$30.34**279 rev15y ago](https://www.amazon.com/dp/B004VZ108Q)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Metagenics Vitamin D3 5000 IU Supplement - High Potency Softgels for Immune Bone & Heart Health* - 125 mcg Cholecalciferol in Coconut Oil for Enhanced Absorption* - Non-GMO Gluten-Free - 60 Count**Metagenics**$17.16**4.7★**▲ 20%**](https://www.amazon.com/dp/B0DH8PF5ZS) [**Metagenics Vitamin D3 1000 IU - Vitamin D Supplement for Healthy Bone Formation Cardiovascular Health and Immune Support - 120 Count**Metagenics**$24.44**4.7★**— 8%**](https://www.amazon.com/dp/B004GLJWNU) [**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★**— 7%**](https://www.amazon.com/dp/B00ECH40MQ) [**Metagenics D3 2000 IU Complex Vitamin D3 Supplement - Supports Bone Health Immune & Healthy Inflammation Response* - with Isoflavones for Absorption - Gluten Free - 3 Month Supply - 90 Count**Metagenics**$30.34**4.8★**— 2%**](https://www.amazon.com/dp/B004VZ108Q) [**Metagenics Vitamin D3 and Vitamin K2 5 000 IU with MK-7- Vitamin D3 with K2 for Immune Support Bone & Heart Health-Non-GMO Gluten-Free-60 Softgels**Metagenics**$27.25**4.7★**— 10%**](https://www.amazon.com/dp/B07Q599VMT)
**~~View all trending →~~**
## **What buyers say about vitamin d 20000 iu**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Vitamin**35%
*“the combination of vitamins is great”*
**Quality-Overall**23%
*“Just love the hi quality of this company”*
**Advertised Vs Actual Product**6%
*“Arrived as described”*
**Ease Of Chewing/Swallowing**5%
*“The capsules are easy to take”*
**Value For Money**3%
*“Worth it”*
**Dosage**3%
*“the dosage strength was what I was wanting”*
**Efficiency**3%
*“Effective and working product”*
**Acid Regulator/Stomach Ache Relief**2%
*“they dont bother my stomach”*
**Side Effects**2%
*“Dont cause stomach issues”*
**Immunity Booster**2%
*“It's great for my immune system”*
### **What buyers complain about **
**Value For Money**16%
*“Over priced”*
**Vitamin**16%
*“Vitamins appeared old”*
**Size-Overall**8%
*“The pills are big”*
**Dosage**7%
*“I do not dare to take it”*
**Smell**5%
*“Why ruin a good product with this unnecessary scent”*
**Ingredients-Overall**4%
*“Ingredients Incorrect”*
**Functionality-Overall**4%
*“I'm not sure how it's working”*
**Adhesion/Stickiness**3%
*“Make sure pills are not stick together”*
**Vegan/Organic**3%
*“Its not GMO free”*
**Acid Regulator/Stomach Ache Relief**3%
*“put me on prescription vitamin D. It was so harsh on my stomach I kept getting sick”*
### **Top return reasons **
**Dosage**29%
**Vitamin**21%
**Ease Of Use**14%
**Ingredients-Overall**14%
**Adhesion/Stickiness**14%
**Color**7%
## **Common questions**
- **Is vitamin d 20000 iu profitable to sell on Amazon United States?**
- The niche generates $307K/yr across 7 tracked products. 90-day search growth is -7.3%. Flapen's verdict: Skip it (45/100).
- **How competitive is the vitamin d 20000 iu niche?**
- 2 brands and 6 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in vitamin d 20000 iu?**
- Top complaints mined from reviews: Value For Money, Vitamin, Size-Overall. The return rate is 0.0%.
- **What does it cost to enter the vitamin d 20000 iu niche?**
- Listings span $17.16–$35.95; the average listing price is $27.12 (sweet spot $15–$100). The average incumbent carries 2,277 reviews — the moat a new listing must climb.
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