---
title: "High Potency Vitamin D3 — Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/high-potency-vitamin-d3"
last_updated: "2026-08-12T10:23:37.961Z"
locale: en
meta:
description: "Amazon product research for high potency vitamin d3: $133K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for high potency vitamin d3: $133K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "High Potency Vitamin D3 — Amazon US Product Research"
---
# **High Potency Vitamin D3**
**Worth a look**
Shows low returns (0.0%), but a deep review moat (39,656 avg reviews) keeps it on the watch list.
Market size 88Growth 24Conversion 99Competition 44Returns 100Price range 70Avg price 63Brand share 27Review moat 6Quality gap 13
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****18.7%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Great****$1.6M**
$1.6M/yr · 630K searches
**Price range**
**Good****$6.39–$34.70**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Good****$13.58**
avg listing price — sweet spot $15–$100
**Competition**
**Okay****59%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****89%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-1.1%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.8★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****39,656.42**
avg incumbent reviews — the moat a new listing must climb
## **Is high potency vitamin d3 profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, high potency vitamin d3 is a $1.6M/yr Amazon United States market (630K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 54/100.
Data updated Aug 5, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **high potency vitamin d3 market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **125K–150K**
- avg 6,000–8,000/product
- **Revenue / yr**
- **$1.7M–$2.0M**
- units × avg price
- **Conversion rate**
- **18.7%**
- **Avg BSR**
- **#98**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **89%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **94 months**
- **Avg seller age**
- **148 days**
## **Competition: brands, sellers & click share**
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▼falling
**Sellers**
**139**
**Top-5 brand share**
**89%**
Top 20: 100%
**Top-5 click share**
**59%**
Top 20: 100%
**Open market**
**8%**
- NOW Foods35% - Nature Made23% - Nature's Bounty13% - NatureWise11% - Bronson7% - Vitamatic3% - Open — no brand owns it (5 brands, 8%)
## **high potency vitamin d3 demand & seasonality**
Weekly Amazon search volume, last 100 weeks — -1.1% search growth over the last 90 days.
15K10KSpike '24Spike '25Prime Day '25Holiday '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: May, Jun, Jul · busiest ÷ quietest = 3.1×
[**Open Trend **](https://flapen.com/research/us/health-household/high-potency-vitamin-d3/trend)
## **Top high potency vitamin d3 search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **d3 5000 iu**107K/yr+6.5%20.3% conv. - **now vitamin d3**95K/yr+1.8%18.1% conv. - **vitamin d 5000**73K/yr+2.6%13.9% conv. - **vitamin d3 5000**60K/yr+6.6%12.4% conv. - **d3 5000**29K/yr+12.6%13.5% conv. - **d3 vitamin 5000 iu**47K/yr+1.1%13.1% conv. - **vit d3 5000 iu**16K/yr+124.3%15.4% conv. - **vitamin d3 5000iu**19K/yr+24.0%9.9% conv. - **now vitamin d**26K/yr-15.9%14.1% conv. - **vitamin d3 5000 iu softgels**22K/yr-50.3%13.4% conv. [**All search terms **](https://flapen.com/research/us/health-household/high-potency-vitamin-d3/search-terms)
## **Top high potency vitamin d3 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%5%$80K10%$160K15%$239K20%$319K101001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**NOW Foods Supplements Vitamin D-3 5 000 IU High Potency Structural Support* 240 Softgels**NOW Foods**$11.61**4.8★51,526 rev](https://www.amazon.com/dp/B0032BH76O) [2**Nature Made Vitamin D3 5000 IU (125 mcg) 180 Vitamin D Softgels**Nature Made**$13.36**4.8★67,638 rev](https://www.amazon.com/dp/B008GC9T6A) [3**NatureWise Vitamin D3 5000IU Supplement Immune Support 360 Mini Softgels**NatureWise**$13.60**4.7★195,696 rev](https://www.amazon.com/dp/B00GB85JR4) [4**Natures Bounty Vitamin D3 5000 IU Softgels 240 Count**Nature's Bounty**$14.74**4.8★83,838 rev](https://www.amazon.com/dp/B00DN4VCA2) [5**NOW Foods Supplements Vitamin D-3 2 000 IU High Potency Structural Support* 240 Softgels**NOW Foods**$8.56**4.8★21,207 rev](https://www.amazon.com/dp/B001UZPY1O)
**~~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) [**NOW Foods - Vitamin D-3 2000 IU High Potency Structural Support* 360 softgels**NOW Foods**$14.69**130 rev7mo ago](https://www.amazon.com/dp/B0GDK6HQFL) [**Natures Wonder Vitamin D3 5000 IU High Potency Gluten-Free 360 Softgels**Nature's Wonder**$7.80**499 rev1y ago](https://www.amazon.com/dp/B0DCZXZBN5) [**Bronson Vitamin D3 5000iu (125mcg) Non-GMO Gluten-Free Soy-Free 360 Tablets**Bronson**$9.54**2,941 rev3y ago](https://www.amazon.com/dp/B0BXLTXFTS) [**Vitamatic Vitamin D3 5000 IU (125 mcg) 500 Softgels Made in USA**Vitamatic**$9.86**2,374 rev3y ago](https://www.amazon.com/dp/B0BSVZXTGJ)
**~~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★**▲ 80%**](https://www.amazon.com/dp/B0GFXBXJFK) [**Natures Wonder Vitamin D3 5000 IU High Potency Gluten-Free 360 Softgels**Nature's Wonder**$7.80**4.8★**▲ 73%**](https://www.amazon.com/dp/B0DCZXZBN5) [**Nature Made Vitamin D3 5000 IU (125 mcg) 90 Vitamin D Softgels**Nature Made**$8.67**4.8★**▲ 46%**](https://www.amazon.com/dp/B0037LOLKY) [**Nature Made Vitamin D3 5000 IU (125 mcg) 360 Vitamin D Softgels**Nature Made**$26.47**4.8★**▲ 43%**](https://www.amazon.com/dp/B0828JGTXB) [**Vitamatic Vitamin D3 5000 IU (125 mcg) 500 Softgels Made in USA**Vitamatic**$9.86**4.8★**▲ 32%**](https://www.amazon.com/dp/B0BSVZXTGJ)
**~~View all trending →~~**
## **What reviews say buyers love and hate about high potency vitamin d3**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Vitamin**23%
*“Quality vitamin”*
**Quality-Overall**18%
*“the quality seems consistent”*
**Value For Money**16%
*“Fair price”*
**Advertised Vs Actual Product**7%
*“As described”*
**Ease Of Chewing/Swallowing**7%
*“Ease swallow”*
**Dosage**3%
*“The dose and quantity are good”*
**Efficiency**3%
*“Effective”*
**Ease Of Use**2%
*“Ease of use”*
**Nutritional Content**1%
*“Good Supplement”*
**Immunity Booster**1%
*“Great for the immune system”*
### **What buyers complain about **
**Size-Overall**10%
*“Its a tiny capsule”*
**Vitamin**9%
*“I was deficient in vitamin d”*
**Dosage**5%
*“Very high amount”*
**Functionality-Overall**3%
*“Doesnt work”*
**Side Effects**3%
*“Caused terrible diarrhea and headaches”*
**Smell**3%
*“Smelled Horrible”*
**Ingredients-Overall**3%
*“Contains pork products”*
**Value For Money**2%
*“Horrifically over priced”*
**Stuck/Fused Together**2%
*“the pills were all clumped together”*
**Taste-Overall**2%
*“Has no taste, and is small and easy to digest”*
### **Top return reasons **
**Vitamin**23%
**Value For Money**19%
**Dosage**12%
**Smell**8%
**Functionality-Overall**8%
**Adhesion/Stickiness**8%
**Ingredients-Overall**8%
**Quality-Overall**8%
**Ease Of Use**4%
**Strength**4%
## **Common high potency vitamin d3 questions**
- **Is high potency vitamin d3 profitable to sell on Amazon United States?**
- The niche generates $1.6M/yr across 19 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -1.1%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the high potency vitamin d3 niche?**
- 11 brands and 139 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 89% of demand.
- **What do buyers complain about in high potency vitamin d3?**
- Top complaints mined from reviews: Size-Overall, Vitamin, Dosage. The return rate is 0.0%.
- **When does demand for high potency vitamin d3 peak?**
- Demand peaks in May–Jun–Jul; the busiest month runs 3.1× the quietest.
- **What does it cost to enter the high potency vitamin d3 niche?**
- Listings span $6.39–$34.70; the average listing price is $13.58 (sweet spot $15–$100). The average incumbent carries 39,656 reviews — the moat a new listing must climb.
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