---
title: "Ortho Molecular Vitamin K2 with D3 — Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/ortho-molecular-vitamin-k2-with-d3"
last_updated: "2026-08-12T08:19:17.440Z"
locale: en
meta:
description: "Amazon product research for ortho molecular vitamin k2 with d3: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for ortho molecular vitamin k2 with d3: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Ortho Molecular Vitamin K2 with D3 — Amazon US Product Research"
---
# **Ortho Molecular Vitamin K2 with D3**
**Worth a look**
Shows low returns (0.0%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Market size 97Growth 24Conversion 96Competition 19Returns 100Price range 95Avg price 95Brand share 0Review moat 22Quality gap 15
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Market size**
**Incredible****$4.4M**
$4.4M/yr · 1.1M searches
**Conversion**
**Incredible****14.2%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$27.70**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$15.61–$45.06**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Bad****-1.7%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****8,827.43**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****77%**
top-5 click share — a locked-up shelf
**Quality gap**
**Bad****4.8★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
## **Is ortho molecular vitamin k2 with d3 profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, ortho molecular vitamin k2 with d3 is a $4.4M/yr Amazon United States market (1.1M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Dec. Verdict: Worth a look — 53/100.
Data updated Aug 5, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **ortho molecular vitamin k2 with d3 market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **150K–200K**
- avg 10,000–12,500/product
- **Revenue / yr**
- **$4.2M–$5.5M**
- units × avg price
- **Conversion rate**
- **14.2%**
- **Avg BSR**
- **#72**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **72 months**
- **Avg seller age**
- **146 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **—flat
**Sellers**
**18**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**77%**
Top 20: 100%
**Open market**
**0%**
- THORNE57% - Pure Encapsulations40% - Sports Research3%
## **ortho molecular vitamin k2 with d3 demand & seasonality**
Weekly Amazon search volume, last 71 weeks — -1.7% search growth over the last 90 days.
25K15KSpike '25Prime Day '25Holiday '25Spike '26 seasonAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul
Peak months: Jan, Feb, Dec · busiest ÷ quietest = 2.8×
[**Open Trend **](https://flapen.com/research/us/health-household/ortho-molecular-vitamin-k2-with-d3/trend)
## **Top ortho molecular vitamin k2 with d3 search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **thorne vitamin d**251K/yr-10.1%17.8% conv. - **ortho molecular products**159K/yr-8.9%0.0% conv. - **thorne vitamin d3 k2**114K/yr+3.0%11.4% conv. - **pure encapsulations vitamin d3 k2**67K/yr+16.9%16.8% conv. - **thorne d3 k2**69K/yr+11.5%11.1% conv. - **pure vitamin d3 k2**68K/yr+0.7%21.1% conv. - **pure vitamin d**47K/yr-2.7%12.6% conv. - **thorne vitamin d3**34K/yr+15.6%13.1% conv. - **thorne d3**34K/yr+1.9%13.6% conv. - **pure encapsulations vitamin d3**78K/yr-42.3%10.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/ortho-molecular-vitamin-k2-with-d3/search-terms)
## **Top ortho molecular vitamin k2 with 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%10%$441K20%$882K30%$1.3M40%$1.8M101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Pure Encapsulations Vitamin D3 & K2 120 Capsules**Pure Encapsulations**$34.10**4.8★5,090 rev](https://www.amazon.com/dp/B0BZ8TMDQ5) [2**Thorne Vitamin D + K2 Liquid with a Metered Dispenser 600 Servings**THORNE**$33.00**4.4★6,679 rev](https://www.amazon.com/dp/B0038NF8MG) [3**THORNE Vitamin D-5 000 Vitamin D3 Supplement 5 000 IU 60 Capsules**THORNE**$19.45**4.8★9,397 rev](https://www.amazon.com/dp/B0797HQFGT) [4**THORNE Vitamin D-1 000 Vitamin D3 Supplement 1 000 IU 90 Capsules**THORNE**$15.61**4.8★3,655 rev](https://www.amazon.com/dp/B0797H3VQS) [5**Pure Encapsulations Vitamin D3 & K2 60 Capsules**Pure Encapsulations**$19.03**4.8★5,090 rev](https://www.amazon.com/dp/B0F16R7H2W)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**THORNE Vitamin D3 Liquid 4 000 IU with Precision Dropper 30 Servings**THORNE**$23.53**84 rev6mo ago](https://www.amazon.com/dp/B0G2YVCF5Q) [**THORNE Vitamin D-5 000 Vitamin D3 Supplement 5 000 IU 120 Capsules**THORNE**$38.27**9,397 rev10mo ago](https://www.amazon.com/dp/B0FQLGSTBB) [**THORNE Vitamin D-1 000 Vitamin D3 Supplement 1 000 IU 180 Capsules**THORNE**$31.29**3,655 rev10mo ago](https://www.amazon.com/dp/B0FQL8SFFL) [**Pure Encapsulations Vitamin D3 & K2 60 Capsules**Pure Encapsulations**$19.03**5,090 rev1y ago](https://www.amazon.com/dp/B0F16R7H2W) [**Pure Encapsulations Vitamin D3 & K2 120 Capsules**Pure Encapsulations**$34.10**5,090 rev3y ago](https://www.amazon.com/dp/B0BZ8TMDQ5)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**THORNE Vitamin D3 Liquid 4 000 IU with Precision Dropper 30 Servings**THORNE**$23.53**4.6★**▲ 82%**](https://www.amazon.com/dp/B0G2YVCF5Q) [**Sports Research Vegan Vitamin D3 + K2 w/Coconut Oil 60 Count Plantgels**Sports Research**$22.12**4.8★**▲ 39%**](https://www.amazon.com/dp/B07255MPRN) [**THORNE Vitamin D-1 000 Vitamin D3 Supplement 1 000 IU 180 Capsules**THORNE**$31.29**4.8★**▲ 34%**](https://www.amazon.com/dp/B0FQL8SFFL) [**Pure Encapsulations Vitamin D3 125 mcg (5 000 IU) - Supplement to Support Bone Joint Breast Heart Colon and Immune Health* - with Vitamin D - 60 Capsules**Pure Encapsulations**$20.18**4.8★**▲ 11%**](https://www.amazon.com/dp/B0017QAYBG) [**Pure Encapsulations Vitamin D3 & K2 120 Capsules**Pure Encapsulations**$34.10**4.8★**— 6%**](https://www.amazon.com/dp/B0BZ8TMDQ5)
**~~View all trending →~~**
## **What reviews say buyers love and hate about ortho molecular vitamin k2 with d3**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**28%
*“Trusted Quality Brand”*
**Vitamin**23%
*“Excellent VitaminD”*
**Ease Of Chewing/Swallowing**5%
*“Small, soft pill to consume with no bad aftertaste and gentle on the stomach”*
**Value For Money**4%
*“Not expensive”*
**Advertised Vs Actual Product**3%
*“That it works”*
**Ease Of Use**3%
*“Easy as it gets”*
**Efficiency**3%
*“Effective”*
**Energy Level**2%
*“I've noticed improvements in my overall energy levels”*
**Absorbency**2%
*“Good absorption”*
**Dosage**2%
*“Dosage is perfect for my age”*
### **What buyers complain about **
**Vitamin**11%
*“no taste to the vitamin”*
**Dosage**7%
*“then suddenly several drops come out so its hard to monitor your dosage”*
**Value For Money**6%
*“Too expensive”*
**Dispensing Mechanism**6%
*“Hard to dispense”*
**Ease Of Use**5%
*“The dropper is very hard to use”*
**Size-Overall**5%
*“Small gel capsule”*
**Taste-Overall**5%
*“it doesnt taste”*
**Side Effects**3%
*“Caused terrible diarrhea and headaches”*
**Quality-Overall**3%
*“Brand not as good as they claim to be”*
**Allergies**2%
*“I thought I was allergic to something else”*
### **Top return reasons **
**Value For Money**42%
**Dosage**15%
**Vitamin**13%
**Dilute/Watery**6%
**Functionality-Overall**4%
**Size-Overall**3%
**Certifications**3%
**Joint Pain**3%
**Leak-Proof**3%
**Comfort-Overall**3%
## **Common ortho molecular vitamin k2 with d3 questions**
- **Is ortho molecular vitamin k2 with d3 profitable to sell on Amazon United States?**
- The niche generates $4.4M/yr across 14 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -1.7%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the ortho molecular vitamin k2 with d3 niche?**
- 3 brands and 18 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in ortho molecular vitamin k2 with d3?**
- Top complaints mined from reviews: Vitamin, Dosage, Value For Money. The return rate is 0.0%.
- **When does demand for ortho molecular vitamin k2 with d3 peak?**
- Demand peaks in Jan–Feb–Dec; the busiest month runs 2.8× the quietest.
- **What does it cost to enter the ortho molecular vitamin k2 with d3 niche?**
- Listings span $15.61–$45.06; the average listing price is $27.70 (sweet spot $15–$100). The average incumbent carries 8,827 reviews — the moat a new listing must climb.
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