Liquid Vitamin D3 with K2
MaybeAn estimated 0.0% of orders come back. But the top 5 brands take 97% of clicks, so Liquid Vitamin D3 with K2 is a Maybe.
- Flapen Score
- 51 / 100Top 40% of 14,768 Health & Household niches · +2 vs the category median of 4951
- Market size
- $1.4M/yr540K searches / yr
- 90-day growth
- +4.4%search demand this quarter
- Competition
- 88%top-5 click share · 6 brands · 21 sellers
Flapen Score
Liquid Vitamin D3 with K2 against its category
The dotted line is the Health & Household average. Past it, Liquid Vitamin D3 with K2 is stronger. Inside it, weaker.
Market
The Liquid Vitamin D3 with K2 market on Amazon at a glance
Shoppers on Amazon United States searched for Liquid Vitamin D3 with K2 540K times last year and spent an estimated $1.4M. The top 5 brands take 97% of clicks. Flapen scores it 51 out of 100, a Maybe.
01 · Demand
An estimated 9.7% of those searches ended in a purchase.
Shoppers searched for this 540K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 9.7% of those searches ended in a purchase. Searches in the last 90 days moved +4.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $1.4M a year.
- Searches, last 12 months
- 540K
- Growth, 90 days vs prior 90
- +4.4%
- Conversion, latest week
- 9.7%
- Market size, estimated
- $1.4Ma year
- Peak month
- February1.5× the quietest month
- Top search term
- thorne vitamin d3 k2114K searches a year
02 · Price
A sale here is worth $26.61.
Listings sell for $26.61 on average, from $19.17 to $34.10. Amazon reports units sold in ranges. This niche sold 50K to 60K a year. The average listing sells 5,000 to 6,000 of them. At $26.61 that is $133K to $160K a year per listing.
- Average price
- $26.61inside the $15 to $100 sweet spot
- Price range
- $19.17–$34.10
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 50K–60K
- Units per listing a year
- 5,000–6,000
- Revenue per listing a year
- $133K–$160K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 8.5% of listings are out of stock. The average listing ranks #43 within Vitamin D3 & K2 Combinations. It carries 11,597 reviews at 4.69 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 8.5%
- Average rank
- #43in Vitamin D3 & K2 Combinations
- Average rating
- 4.69 starsAmazon United States average 4.42 stars
- Average reviews
- 11,597per listing
- Listings tracked
- 8
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 61 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
- 61 months
Products
Top Liquid Vitamin D3 with 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 Aug 5, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Thorne Vitamin D + K2 Liquid with a Metered Dispenser 600 Servings
- Price
- $33.00
- Rating
- 4.4/5
- Reviews
- 6,679
- Age
- 24y ago

(2 Pack) Organic Vitamin D3 K2 Drops with MCT Oil & Omega 3 - Liquid Vitamin D3 5000 IU - K2 D3 Vitamin Supplement - Vitamin D Drops for Women & Men - No Fillers Non-GMO GMP Unflavored (2 Fl Oz)
- Price
- $26.39
- Rating
- 4.5/5
- Reviews
- 13,741
- Age
- 6y ago

THORNE Vitamin D-5 000 Vitamin D3 Supplement 5 000 IU 60 Capsules
- Price
- $19.45
- Rating
- 4.8/5
- Reviews
- 9,397
- Age
- 18y ago

Sports Research Vegan Vitamin D3 + K2 w/Coconut Oil 60 Count Plantgels
- Price
- $22.12
- Rating
- 4.8/5
- Reviews
- 54,253
- Age
- 9y ago

Pure Encapsulations Vitamin D3 & K2 120 Capsules
- Price
- $34.10
- Rating
- 4.8/5
- Reviews
- 5,090
- Age
- 3y ago
Trending
estimated 90-day click momentum
Sports Research Vegan Vitamin D3 + K2 w/Coconut Oil 60 Count Plantgels
- Price
- $22.12
- Rating
- 4.8/5
- Reviews
- 54,253
- Age
- 9y ago

THORNE Vitamin K Vitamins K1 and K2 (as MK-4 and MK-7) 60 Capsules
- Price
- $29.99
- Rating
- 4.8/5
- Reviews
- 1,799
- Age
- 8y ago

Thorne Vitamin D + K2 Liquid with a Metered Dispenser 600 Servings
- Price
- $33.00
- Rating
- 4.4/5
- Reviews
- 6,679
- Age
- 24y ago

Pure Encapsulations Vitamin D3 & K2 120 Capsules
- Price
- $34.10
- Rating
- 4.8/5
- Reviews
- 5,090
- Age
- 3y ago

AG1 Vitamin D3 + K2 Liquid Drops | Vitamin D & K Blend | Daily Bone Support
- Price
- $28.63
- Rating
- 4.7/5
- Reviews
- 508
- Age
- 2y ago
Newest
by launch date
Vitamin D3 K2 USDA Organic Drops - Vitamin D3 10000 IU & K2 120mcg - 2 OZ
- Price
- $19.17
- Rating
- 4.7/5
- Reviews
- 1,312
- Age
- 1y ago

AG1 Vitamin D3 + K2 Liquid Drops | Vitamin D & K Blend | Daily Bone Support
- Price
- $28.63
- Rating
- 4.7/5
- Reviews
- 508
- Age
- 2y ago

Pure Encapsulations Vitamin D3 & K2 120 Capsules
- Price
- $34.10
- Rating
- 4.8/5
- Reviews
- 5,090
- Age
- 3y ago

(2 Pack) Organic Vitamin D3 K2 Drops with MCT Oil & Omega 3 - Liquid Vitamin D3 5000 IU - K2 D3 Vitamin Supplement - Vitamin D Drops for Women & Men - No Fillers Non-GMO GMP Unflavored (2 Fl Oz)
- Price
- $26.39
- Rating
- 4.5/5
- Reviews
- 13,741
- Age
- 6y ago

THORNE Vitamin K Vitamins K1 and K2 (as MK-4 and MK-7) 60 Capsules
- Price
- $29.99
- Rating
- 4.8/5
- Reviews
- 1,799
- Age
- 8y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 88% of clicks. A locked shelf that new listings rarely crack.
Brands
6 falling
Sellers
21
Est. top-5 brand share
97%
Top 20: 100%
Est. top-5 click share
88%
Top 20: 100%
Open market
0%
- THORNE64%
- NUSAVA14%
- Sports Research7%
- Pure Encapsulations7%
- AG16%
- NUTRAHARMONY3%
Demand
Liquid Vitamin D3 with K2 search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Liquid Vitamin D3 with K2 search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- thorne vitamin d3 k2114K/yr
- thorne d3 k269K/yr
- liquid vitamin d3 with k257K/yr
- vitamin d3 k2 drops56K/yr
- d3 k2 drops40K/yr
- vitamin d3 k2 liquid24K/yr
- vitamin d3 k2 liquid drops31K/yr
- vitamin d3 k2 thorne19K/yr
- nusava d3 k2 omega 3 mct oil8K/yr
- thorne vitamin d k215K/yr
Reviews and returns
What reviews say buyers love and hate about Liquid Vitamin D3 with K2
We read the reviews and the return reasons for every product selling here.
“Strong fish taste”
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.
21 topics
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 Liquid Vitamin D3 with 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









