---
title: "Now Vitamin D3 K2 — $50K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/now-vitamin-d3-k2"
last_updated: "2026-08-12T07:54:41.563Z"
locale: en
meta:
description: "Amazon product research for now vitamin d3 k2: $50K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for now vitamin d3 k2: $50K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Now Vitamin D3 K2 — $50K/mo Amazon US Product Research"
---
# **Now Vitamin D3 K2**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 64Growth 21Conversion 95Competition 11Returns 100Price range 78Avg price 85Brand share 0Review moat 30Quality gap 15
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****12.1%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$18.89**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$8.71–$39.19**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$606K**
$606K/yr · 265K searches
**Review moat**
**Okay****3,494.88**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-8.6%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.8★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****87%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
## **Is now vitamin d3 k2 profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, now vitamin d3 k2 is a $606K/yr Amazon United States market (265K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Skip it — 45/100.
Data updated Aug 5, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **now vitamin d3 k2 market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **30K–40K**
- avg 3,000–4,000/product
- **Revenue / yr**
- **$567K–$756K**
- units × avg price
- **Conversion rate**
- **12.1%**
- **Avg BSR**
- **#86**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **62 months**
- **Avg seller age**
- **159 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**2 **▼falling
**Sellers**
**28**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**87%**
Top 20: 100%
**Open market**
**0%**
- NOW Foods88% - NatureWise12% - Open — no brand owns it (0%)
## **now vitamin d3 k2 demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -8.6% search growth over the last 90 days.
100K60KSpike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Nov, Dec · busiest ÷ quietest = 3.7×
[**Open Trend **](https://flapen.com/research/us/health-household/now-vitamin-d3-k2/trend)
## **Top now vitamin d3 k2 search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **now vitamin d3 k2**85K/yr-13.2%14.7% conv. - **vitamin d3 k2 1000iu**24K/yr+6.1%5.7% conv. - **now d3 k2**31K/yr-4.6%13.4% conv. - **naturewise vitamin d3 k2**15K/yr-7.7%5.9% conv. - **now foods vitamin d3 k2**17K/yr-25.3%9.7% conv. - **d3 k2 vitamin 1000 iu**10K/yr+3.6%5.0% conv. - **d3 k2 1000 iu**10K/yr+17.4%5.0% conv. - **vitamin d3 k2 now**14K/yr-12.2%11.8% conv. - **now foods d3 k2**5K/yr+61.1%11.3% conv. - **d3 k2 now**8K/yr-19.2%10.1% conv. [**All search terms **](https://flapen.com/research/us/health-household/now-vitamin-d3-k2/search-terms)
## **Top now vitamin d3 k2 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%15%$91K30%$182K45%$273K60%$363K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 8 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**NOW Supplements Vitamin D-3 & K-2 1 000 IU/45 mcg Plus Cardiovascular Support* Supports Bone Health* 120 veg Capsules**NOW Foods**$8.71**4.8★12,488 rev](https://www.amazon.com/dp/B0019QT9LA) [2**Now Supplements Vitamin D3 K2 1 000 IU/45 mcg Cardiovascular Support Supports Bone Health 180 Vegetarian Capsules - Vegan Gluten Free Kosher**NOW Foods**$17.63**4.8★802 rev](https://www.amazon.com/dp/B0CKY26DQQ) [3**NOW Supplements Mega D-3 & MK-7 5000 IU / 180 mcg Bone & Cardiovascular Support* Vitamins K-3 & K-2 120 Capsules**NOW Foods**$21.62**4.8★6,758 rev](https://www.amazon.com/dp/B09RG6LXJ2) [4![NatureWise Vitamin D3 1000IU + K2 (MK7) 100mcg with Organic Extra Virgin Coconut Oil - Supports Calcium Absorption Bone & Immune Health - Non-GMO Soy & Gluten-Free - 90 Softgels[3-Month Supply]](https://m.media-amazon.com/images/I/31yCYd5esCL.jpg)**NatureWise Vitamin D3 1000IU + K2 (MK7) 100mcg with Organic Extra Virgin Coconut Oil - Supports Calcium Absorption Bone & Immune Health - Non-GMO Soy & Gluten-Free - 90 Softgels\[3-Month Supply\]**NatureWise**$14.82**4.5★500 rev](https://www.amazon.com/dp/B0DWRH64V7) [5**NOW Foods Supplements Mega D-3 & MK-7 with Vitamins D-3 & K-2 5 000 IU/180 mcg Bone & Cardiovascular Support* 60 Veg Capsules**NOW Foods**$13.40**4.8★6,758 rev](https://www.amazon.com/dp/B078QQTY5G)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Now Supplements Vitamin D3 & K2 1 000 IU/45 mcg Plus Cardiovascular Support* Supports Bone Health* 240 Veg Capsules**NOW Foods**$18.48**42 rev7mo ago](https://www.amazon.com/dp/B0GC8SMDMV) [![NatureWise Vitamin D3 1000IU + K2 (MK7) 100mcg with Organic Extra Virgin Coconut Oil - Supports Calcium Absorption Bone & Immune Health - Non-GMO Soy & Gluten-Free - 90 Softgels[3-Month Supply]](https://m.media-amazon.com/images/I/31yCYd5esCL.jpg)**NatureWise Vitamin D3 1000IU + K2 (MK7) 100mcg with Organic Extra Virgin Coconut Oil - Supports Calcium Absorption Bone & Immune Health - Non-GMO Soy & Gluten-Free - 90 Softgels\[3-Month Supply\]**NatureWise**$14.82**500 rev1y ago](https://www.amazon.com/dp/B0DWRH64V7) [![NatureWise Vitamin D3 5000IU + K2 (MK7) 100mcg with Organic Extra Virgin Coconut Oil - Supports Calcium Absorption Bone & Immune Health - Non-GMO Soy & Gluten-Free - 90 Softgels[90-Day Supply]](https://m.media-amazon.com/images/I/31AyR657nFL.jpg)**NatureWise Vitamin D3 5000IU + K2 (MK7) 100mcg with Organic Extra Virgin Coconut Oil - Supports Calcium Absorption Bone & Immune Health - Non-GMO Soy & Gluten-Free - 90 Softgels\[90-Day Supply\]**NatureWise**$17.21**328 rev1y ago](https://www.amazon.com/dp/B0DWRK9KTH) [**Now Supplements Mega D-3 & MK-7 5000 IU / 180 mcg Bone & Cardiovascular Support* Vitamins K-3 & K-2 180 Capsules**NOW Foods**$39.19**283 rev2y ago](https://www.amazon.com/dp/B0D88HTTMZ) [**Now Supplements Vitamin D3 K2 1 000 IU/45 mcg Cardiovascular Support Supports Bone Health 180 Vegetarian Capsules - Vegan Gluten Free Kosher**NOW Foods**$17.63**802 rev2y ago](https://www.amazon.com/dp/B0CKY26DQQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Now Supplements Vitamin D3 & K2 1 000 IU/45 mcg Plus Cardiovascular Support* Supports Bone Health* 240 Veg Capsules**NOW Foods**$18.48**4.9★**▲ 122%**](https://www.amazon.com/dp/B0GC8SMDMV) [![NatureWise Vitamin D3 5000IU + K2 (MK7) 100mcg with Organic Extra Virgin Coconut Oil - Supports Calcium Absorption Bone & Immune Health - Non-GMO Soy & Gluten-Free - 90 Softgels[90-Day Supply]](https://m.media-amazon.com/images/I/31AyR657nFL.jpg)**NatureWise Vitamin D3 5000IU + K2 (MK7) 100mcg with Organic Extra Virgin Coconut Oil - Supports Calcium Absorption Bone & Immune Health - Non-GMO Soy & Gluten-Free - 90 Softgels\[90-Day Supply\]**NatureWise**$17.21**4.6★**▲ 24%**](https://www.amazon.com/dp/B0DWRK9KTH) [**NOW Supplements Vitamin D-3 & K-2 1 000 IU/45 mcg Plus Cardiovascular Support* Supports Bone Health* 120 veg Capsules**NOW Foods**$8.71**4.8★**▲ 13%**](https://www.amazon.com/dp/B0019QT9LA) [![NatureWise Vitamin D3 1000IU + K2 (MK7) 100mcg with Organic Extra Virgin Coconut Oil - Supports Calcium Absorption Bone & Immune Health - Non-GMO Soy & Gluten-Free - 90 Softgels[3-Month Supply]](https://m.media-amazon.com/images/I/31yCYd5esCL.jpg)**NatureWise Vitamin D3 1000IU + K2 (MK7) 100mcg with Organic Extra Virgin Coconut Oil - Supports Calcium Absorption Bone & Immune Health - Non-GMO Soy & Gluten-Free - 90 Softgels\[3-Month Supply\]**NatureWise**$14.82**4.5★**— 7%**](https://www.amazon.com/dp/B0DWRH64V7) [**Now Supplements Mega D-3 & MK-7 5000 IU / 180 mcg Bone & Cardiovascular Support* Vitamins K-3 & K-2 180 Capsules**NOW Foods**$39.19**4.9★**— 2%**](https://www.amazon.com/dp/B0D88HTTMZ)
**~~View all trending →~~**
## **What reviews say buyers love and hate about now vitamin d3 k2**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**24%
*“Reliable quality”*
**Vitamin**20%
*“Great with daily vitamin combination”*
**Ease Of Chewing/Swallowing**7%
*“absolutely no problem to swallow whatsoever”*
**Ease Of Use**5%
*“easy to use”*
**Value For Money**4%
*“Affordable”*
**Nutritional Content**4%
*“so I like keeping this in my routine consistently”*
**Dosage**3%
*“The dosage is strong”*
**Advertised Vs Actual Product**3%
*“As advertised”*
**Efficiency**3%
*“Really has helped my dog”*
**Immunity Booster**2%
*“supports immunity”*
### **What buyers complain about **
**Vitamin**10%
*“Vitamin d levels came back so low it was concerning”*
**Allergies**7%
*“Allergic reactions”*
**Quality-Overall**6%
*“The reviews complaining about clear vs cloudy pills are making me crazy”*
**Size-Overall**5%
*“The capsules are genuinely smaller than most”*
**Joint Pain**5%
*“More joint pain”*
**Ingredients-Overall**5%
*“This stuff contains other ingredients that arent great”*
**Dosage**4%
*“We were expecting a much more noticeable change given the dosage and consistency”*
**Advertised Vs Actual Product**4%
*“lie picture”*
**Color**3%
*“The pills are all different shades of color”*
**Calcium**2%
*“Vitamin D should never be used unless k2 is also with it to balance out the calcium in the body”*
### **Top return reasons **
**Vitamin**40%
**Value For Money**40%
**Heart Health**20%
## **Common now vitamin d3 k2 questions**
- **Is now vitamin d3 k2 profitable to sell on Amazon United States?**
- The niche generates $606K/yr across 8 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -8.6%. Flapen's verdict: Skip it (45/100).
- **How competitive is the now vitamin d3 k2 niche?**
- 2 brands and 28 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in now vitamin d3 k2?**
- Top complaints mined from reviews: Vitamin, Allergies, Quality-Overall. The return rate is 0.0%.
- **When does demand for now vitamin d3 k2 peak?**
- Demand peaks in Jan–Nov–Dec; the busiest month runs 3.7× the quietest.
- **What does it cost to enter the now vitamin d3 k2 niche?**
- Listings span $8.71–$39.19; the average listing price is $18.89 (sweet spot $15–$100). The average incumbent carries 3,495 reviews — the moat a new listing must climb.
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