---
title: "Mk-7 Vitamin K-2 100 Mcg — $9K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/mk-7-vitamin-k-2-100-mcg"
last_updated: "2026-08-12T13:33:01.569Z"
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description: "Amazon product research for mk-7 vitamin k-2 100 mcg: $9K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for mk-7 vitamin k-2 100 mcg: $9K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Mk-7 Vitamin K-2 100 Mcg — $9K/mo Amazon US Product Research"
---
# **Mk-7 Vitamin K-2 100 Mcg**
**Skip it**
Brand-locked demand (top 5 brands take 95% of clicks) — this niche doesn't clear our bar today.
Market size 26Growth 21Conversion 99Competition 16Returns 100Price range 72Avg price 83Brand share 12Review moat 25Quality gap 17
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****17.8%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$18.21**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$8.27–$32.41**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$109K**
$109K/yr · 34K searches
**Review moat**
**Bad****4,045.18**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-9.0%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****81%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****95%**
top-5 brand share — brand-locked demand
## **Is mk-7 vitamin k-2 100 mcg profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, mk-7 vitamin k-2 100 mcg is a $109K/yr Amazon United States market (34K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Dec. Verdict: Skip it — 41/100.
Data updated Aug 5, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mk-7 vitamin k-2 100 mcg market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **6K–8K**
- avg 500–750/product
- **Revenue / yr**
- **$109K–$146K**
- units × avg price
- **Conversion rate**
- **17.8%**
- **Avg BSR**
- **#373**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **89 months**
- **Avg seller age**
- **157 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **—flat
**Sellers**
**525**
**Top-5 brand share**
**95%**
Top 20: 100%
**Top-5 click share**
**81%**
Top 20: 100%
**Open market**
**2%**
- NOW Foods81% - Nutricost4% - Truevantage Nutrition4% - Doctor's BEST3% - Bronson3% - Carlyle3% - Open — no brand owns it (1 brand, 2%)
## **mk-7 vitamin k-2 100 mcg demand & seasonality**
Weekly Amazon search volume, last 103 weeks — -9.0% search growth over the last 90 days.
1K750Spike '24Spike '25Prime Day '25 seasonSepDecMarJunAugNovMarMay
Peak months: Dec · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/health-household/mk-7-vitamin-k-2-100-mcg/trend)
## **Top mk-7 vitamin k-2 100 mcg search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **mk-7 vitamin k-2 100 mcg**10K/yr+0.8%19.7% conv. - **menaq7**9K/yr-16.0%3.3% conv. - **now k2 mk7**5K/yr-26.2%16.9% conv. - **now mk7 vitamin k2 100mcg**2K/yr+62.0%27.9% conv. - **now mk7**3K/yr+5.9%19.7% conv. - **mk-7 vitamin k-2 300 mcg**2K/yr-9.4%20.6% conv. - **now mk7 vitamin k2**2K/yr-50.2%24.8% conv. [**All search terms **](https://flapen.com/research/us/health-household/mk-7-vitamin-k-2-100-mcg/search-terms)
## **Top mk-7 vitamin k-2 100 mcg 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%$16K30%$33K45%$49K60%$65K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**NOW Foods Supplements MK-7 Vitamin K-2 100 mcg Cardiovascular Support* Supports Bone Health* 120 Veg Capsules**NOW Foods**$16.14**4.7★8,723 rev](https://www.amazon.com/dp/B076Y6WRKH) [2**Now Supplements MK-7 Vitamin K-2 100 mcg Cardiovascular Support* Supports Bone Health* 180 Veg Capsules**NOW Foods**$32.41**4.8★363 rev](https://www.amazon.com/dp/B0D5MTTYW9) [3**Now Foods Supplements MK-7 Vitamin K-2 300 mcg Cardiovascular Support* Supports Bone Health* 120 Veg Capsules**NOW Foods**$24.52**4.8★1,323 rev](https://www.amazon.com/dp/B0CS4T611Q) [4**NOW Foods Supplements Vitamin K2 (MK-7) 300 mcg Extra Strength Supports Bone Health* 60 Veg Capsules**NOW Foods**$16.63**4.8★1,323 rev](https://www.amazon.com/dp/B086QYVQSZ) [5**NOW Foods Supplements MK-7 Vitamin K-2 100 mcg Cardiovascular Support* Supports Bone Health* 60 Veg Capsules**NOW Foods**$11.72**4.7★8,723 rev](https://www.amazon.com/dp/B004QD4PHQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Now Supplements MK-7 Vitamin K-2 100 mcg Cardiovascular Support* Supports Bone Health* 180 Veg Capsules**NOW Foods**$32.41**363 rev2y ago](https://www.amazon.com/dp/B0D5MTTYW9) [**Now Foods Supplements MK-7 Vitamin K-2 300 mcg Cardiovascular Support* Supports Bone Health* 120 Veg Capsules**NOW Foods**$24.52**1,323 rev2y ago](https://www.amazon.com/dp/B0CS4T611Q) [**Carlyle Vitamin K2 MK7 100 mcg | 150 Softgels | Bioactive Trans-Form MK7**Carlyle**$8.27**1,320 rev3y ago](https://www.amazon.com/dp/B0C6N1L71X) [**Bronson Vitamin K2 MK-7 100 mcg K2 as MK7 Menaquinone 120 Tablets**Bronson**$9.96**4,010 rev3y ago](https://www.amazon.com/dp/B0BKLP1HRY) [**Nutricost Vitamin K2 MK-7 100 mcg 240 Softgels Gluten Free GMO-Free**Nutricost**$17.48**6,305 rev5y ago](https://www.amazon.com/dp/B09126BY8S)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Now Supplements MK-7 Vitamin K-2 100 mcg Cardiovascular Support* Supports Bone Health* 180 Veg Capsules**NOW Foods**$32.41**4.8★**▲ 27%**](https://www.amazon.com/dp/B0D5MTTYW9) [**Now Foods Supplements MK-7 Vitamin K-2 300 mcg Cardiovascular Support* Supports Bone Health* 120 Veg Capsules**NOW Foods**$24.52**4.8★**▲ 19%**](https://www.amazon.com/dp/B0CS4T611Q) [**Carlyle Vitamin K2 MK7 100 mcg | 150 Softgels | Bioactive Trans-Form MK7**Carlyle**$8.27**4.6★**▲ 16%**](https://www.amazon.com/dp/B0C6N1L71X) [**Truevantage Vitamin K2 MK-7 180 mcg MenaQ7-60 Vegetable Capsules**Truevantage Nutrition**$22.87**4.8★**▲ 16%**](https://www.amazon.com/dp/B01FIR33FS) [**NOW Foods Supplements MK-7 Vitamin K-2 100 mcg Cardiovascular Support* Supports Bone Health* 120 Veg Capsules**NOW Foods**$16.14**4.7★**— 3%**](https://www.amazon.com/dp/B076Y6WRKH)
**~~View all trending →~~**
## **What reviews say buyers love and hate about mk-7 vitamin k-2 100 mcg**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Vitamin**19%
*“Good vitamin at a reasonable price”*
**Quality-Overall**16%
*“Now foods has very high quality products that are good value for the money”*
**Value For Money**12%
*“Great value for the money”*
**Calcium**8%
*“Works good to redirect calcium into the bones”*
**Ease Of Chewing/Swallowing**6%
*“The softgels are easy to take”*
**Advertised Vs Actual Product**5%
*“work as they should”*
**Heart Health**4%
*“Seems to be improving my health needs”*
**Dosage**3%
*“I like that the dosage is straightforward”*
**Ease Of Use**2%
*“Easy to use”*
**Efficiency**2%
*“It must be working because my last results were all great”*
### **What buyers complain about **
**Size-Overall**8%
*“Small, and only one a day”*
**Side Effects**8%
*“Bad Side Effects”*
**Ingredients-Overall**7%
*“Ingredients list is wrong”*
**Quality-Overall**5%
*“100 iu is hard to find in a quality K-2”*
**Vitamin**5%
*“Not getting enough vitamin K from existing vitamins”*
**Smell**5%
*“the smell didnt permeate”*
**Allergies**4%
*“Had an allergic reaction after taking them for 3 days”*
**Value For Money**4%
*“Not worth it”*
**Dosage**4%
*“100mcg proves to be too much”*
**Adhesion/Stickiness**3%
*“As bottle sits on counter over time the caplets have a tendency to stick together”*
### **Top return reasons **
**Functionality-Overall**50%
**Accuracy-Overall**17%
**Vitamin**17%
**Vegan/Organic**17%
## **Common mk-7 vitamin k-2 100 mcg questions**
- **Is mk-7 vitamin k-2 100 mcg profitable to sell on Amazon United States?**
- The niche generates $109K/yr across 11 tracked products. 90-day search growth is -9.0%. Flapen's verdict: Skip it (41/100).
- **How competitive is the mk-7 vitamin k-2 100 mcg niche?**
- 7 brands and 525 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 95% of demand.
- **What do buyers complain about in mk-7 vitamin k-2 100 mcg?**
- Top complaints mined from reviews: Size-Overall, Side Effects, Ingredients-Overall. The return rate is 0.0%.
- **When does demand for mk-7 vitamin k-2 100 mcg peak?**
- Demand peaks in Dec; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the mk-7 vitamin k-2 100 mcg niche?**
- Listings span $8.27–$32.41; the average listing price is $18.21 (sweet spot $15–$100). The average incumbent carries 4,045 reviews — the moat a new listing must climb.
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