Vitamin K2
FailShoppers spend an estimated $4K a year here, so Vitamin K2 is a Fail.
- Flapen Score
- 33 / 100Ranks 132 of 198 Health, Household and Personal Care niches · −4 vs the category median of 3733
- Market size
- $4K/yr3K searches / yr
- 90-day growth
- -41.0%search demand this quarter
- Competition
- 72%top-5 click share · 7 brands · 14 sellers
Flapen Score
Vitamin K2 against its category
The dotted line is the Health, Household and Personal Care average. Past it, Vitamin K2 is stronger. Inside it, weaker.
Market
The Vitamin K2 market on Amazon at a glance
Shoppers on Amazon Singapore searched for Vitamin K2 3K times last year and spent an estimated $4K. The top 5 brands take 95% of clicks. Flapen scores it 33 out of 100, a Fail.
01 · Demand
An estimated 5.0% of those searches ended in a purchase.
Shoppers searched for this 3K times in the last 12 months. That counts every search on Amazon Singapore for this niche's terms. An estimated 5.0% of those searches ended in a purchase. Searches in the last 90 days moved -41.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $4K a year.
- Searches, last 12 months
- 3K
- Growth, 90 days vs prior 90
- -41.0%
- Conversion, latest week
- 5.0%
- Market size, estimated
- $4Ka year
- Top search term
- vitamin k21K searches a year
02 · Price
A sale here is worth $23.61.
Listings sell for $23.61 on average, from $12.62 to $47.68. Amazon reports units sold in ranges. This niche sold 250 to 500 a year. The average listing sells 0 to 100 of them. At $23.61 that is $0 to $2K a year per listing.
- Average price
- $23.61inside the $15 to $100 sweet spot
- Price range
- $12.62–$47.68
- Amazon Singapore median price
- $30.00across 1,590 niches
- Units sold a year
- 250–500
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$2K
- Returns
- 0.0%of orders · Amazon Singapore median 0.0%
03 · Entry bar
The bar here is reviews.
10% of listings pay for placement with sponsored ads. 40% ship with Prime. On an average day, 1.8% of listings are out of stock. The average listing ranks #304 within Health, Household and Personal Care. It carries 4,540 reviews at 4.75 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 10%
- Prime listings
- 40%
- Out of stock, average day
- 1.8%
- Average rank
- #304in Health, Household and Personal Care
- Average rating
- 4.75 starsAmazon Singapore average 4.47 stars
- Average reviews
- 4,540per listing
- Listings tracked
- 10
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 89 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 89 months
Products
Top Vitamin K2 products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Now Foods Vitamin K-2 Veg Capsules 100 mcg 100count
- Price
- $16.00
- Rating
- 4.7/5
- Reviews
- 10,958
- Age
- 13y ago

Nutricost Vitamin K2 MK7 Support Bone Health and Cardiovascular Wellness 100 mcg 240 Softgels
- Price
- $22.13
- Rating
- 4.7/5
- Reviews
- 6,030
- Age
- 5y ago

NOW Supplements Vitamin K2 (MK-7) 300 mcg Extra Strength Supports Bone Health* 60 Veg Capsules
- Price
- $25.37
- Rating
- 4.8/5
- Reviews
- 1,290
- Age
- 6y ago

NOW Supplements Vitamin D-3 & K-2 1 000 IU/45 mcg Plus Cardiovascular Support* Supports Bone Health* 120 Veg Capsules
- Price
- $12.62
- Rating
- 4.8/5
- Reviews
- 11,963
- Age
- 13y ago

Doctors Best Natural Vitamin K2 Mk-7 with MenaQ7 60 Count
- Price
- $16.21
- Rating
- 4.7/5
- Reviews
- 6,217
- Age
- 11y ago
Trending
estimated 90-day click momentum
Vitamin Complex K2+D3 with Black Pepper | 120 capsules - Bone Density Support & Heart Health Immunity Booster Supplement Fitness Edible Dietary Healthcare
- Price
- $22.62
- Rating
- 5.0/5
- Reviews
- 5
- Age
- 2y ago

NOW Foods Supplements MK-7 Vitamin K-2 300 mcg Cardiovascular Support* Supports Bone Health* 120 Veg Capsules
- Price
- $47.68
- Rating
- 4.8/5
- Reviews
- 1,290
- Age
- 1y ago

Swisse Ultiboost Vitamin K2 60 Mini Capsules
- Price
- $30.48
- Rating
- 4.7/5
- Reviews
- 31
- Age
- 1y ago

Nutricost Vitamin K2 MK7 Support Bone Health and Cardiovascular Wellness 100 mcg 240 Softgels
- Price
- $22.13
- Rating
- 4.7/5
- Reviews
- 6,030
- Age
- 5y ago

Life Extension Super K 90 Softgel
- Price
- $24.87
- Rating
- 4.6/5
- Reviews
- 6,637
- Age
- 7y ago
Newest
by launch date
Swisse Ultiboost Vitamin K2 60 Mini Capsules
- Price
- $30.48
- Rating
- 4.7/5
- Reviews
- 31
- Age
- 1y ago

NOW Foods Supplements MK-7 Vitamin K-2 300 mcg Cardiovascular Support* Supports Bone Health* 120 Veg Capsules
- Price
- $47.68
- Rating
- 4.8/5
- Reviews
- 1,290
- Age
- 1y ago

Vitamin Complex K2+D3 with Black Pepper | 120 capsules - Bone Density Support & Heart Health Immunity Booster Supplement Fitness Edible Dietary Healthcare
- Price
- $22.62
- Rating
- 5.0/5
- Reviews
- 5
- Age
- 2y ago

Nutricost Vitamin K2 MK7 Support Bone Health and Cardiovascular Wellness 100 mcg 240 Softgels
- Price
- $22.13
- Rating
- 4.7/5
- Reviews
- 6,030
- Age
- 5y ago

NatureWise Vitamin K2 Support Strong Bones with VitaMK7 Menaqui-7 90 Count (Pack of 1)
- Price
- $18.07
- Rating
- 4.7/5
- Reviews
- 980
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 72% of clicks. A locked shelf that new listings rarely crack.
Brands
7 flat
Sellers
14
Est. top-5 brand share
95%
Top 20: 100%
Est. top-5 click share
72%
Top 20: 100%
Open market
5%
- Now Foods57%
- Nutricost12%
- Doctor's Best9%
- Nano Singapore6%
- Swisse6%
- Life Extension6%
- Open — no brand owns it (1 brand, 5%)
Demand
Vitamin K2 search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Mar · busiest ÷ quietest = 2.6× · 11 of 12 months tracked
Search terms
Top Vitamin K2 search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- vitamin k21K/yr
- vitamin k573/yr
- vitamin k2 mk7633/yr
Reviews and returns
What reviews say buyers love and hate about Vitamin K2
We read the reviews and the return reasons for every product selling here.
“Good supplement”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
1 topic
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Vitamin K2 questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









