Adk
MaybeAn estimated 0.0% of orders come back. But the products selling today already average 4.7★, so Adk is a Maybe.
- Flapen Score
- 55 / 100Top 24% of 14,768 Health & Household niches · +6 vs the category median of 4955
- Market size
- $669K/yr166K searches / yr
- 90-day growth
- -5.2%search demand this quarter
- Competition
- 69%top-5 click share · 11 brands · 21 sellers
Flapen Score
Adk against its category
The dotted line is the Health & Household average. Past it, Adk is stronger. Inside it, weaker.
Market
The Adk market on Amazon at a glance
Shoppers on Amazon United States searched for Adk 166K times last year and spent an estimated $669K. The top 5 brands take 84% of clicks. Flapen scores it 55 out of 100, a Maybe.
01 · Demand
An estimated 12.6% of those searches ended in a purchase.
Shoppers searched for this 166K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.6% of those searches ended in a purchase. Searches in the last 90 days moved -5.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $669K a year.
- Searches, last 12 months
- 166K
- Growth, 90 days vs prior 90
- -5.2%
- Conversion, latest week
- 12.6%
- Market size, estimated
- $669Ka year
- Peak month
- August1.4× the quietest month
- Top search term
- adk39K searches a year
02 · Price
A sale here is worth $32.01.
Listings sell for $32.01 on average, from $12.86 to $59.16. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 1,000 to 1,250 of them. At $32.01 that is $32K to $40K a year per listing.
- Average price
- $32.01inside the $15 to $100 sweet spot
- Price range
- $12.86–$59.16
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 20K–25K
- Units per listing a year
- 1,000–1,250
- Revenue per listing a year
- $32K–$40K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #237 within Multivitamins. It carries 764 reviews at 4.71 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #237in Multivitamins
- Average rating
- 4.71 starsAmazon United States average 4.42 stars
- Average reviews
- 764per listing
- Listings tracked
- 16
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 73 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
- 73 months
Products
Top Adk 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 28, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
NatureGenX ADK Vitamin Supplement Vitamins A D3 & K2 MK-7 for Bone Health & Calcium Absorption Gluten-Free Non-GMO Soy-Free 60 Capsules (2-Month Supply)
- Price
- $21.40
- Rating
- 4.8/5
- Reviews
- 1,285
- Age
- 8y ago

Biote Nutraceuticals - ADK 5 - Immunity + Cardiovascular (90 Capsules)
- Price
- $48.77
- Rating
- 4.9/5
- Reviews
- 657
- Age
- 5y ago

Codeage ADK Vitamins Supplement - Essential Vitamin A D3 5000 IU K1 & K2 (MK4 & MK7) - 6-Month Supply - 1 Capsule per Serving Non-GMO Gluten-Free - 180 Capsules
- Price
- $40.54
- Rating
- 4.7/5
- Reviews
- 2,201
- Age
- 7y ago

Biote Nutraceuticals - ADK 10 - Immunity + Cardiovascular (90 Capsules)
- Price
- $48.81
- Rating
- 4.8/5
- Reviews
- 1,660
- Age
- 5y ago

DAVINCI Labs ADK - Helps Support Bone Heart & Immune Health - Dietary Supplement with Vitamins A D3 & K2 (as MK-7) - Vegetarian Gluten Free & Soy Free - 60 Capsules
- Price
- $37.21
- Rating
- 4.7/5
- Reviews
- 1,221
- Age
- 12y ago
Trending
estimated 90-day click momentum
DAVINCI Labs ADK - Helps Support Bone Heart & Immune Health - Dietary Supplement with Vitamins A D3 & K2 (as MK-7) - Vegetarian Gluten Free & Soy Free - 30 Capsules
- Price
- $19.78
- Rating
- 4.7/5
- Reviews
- 1,221
- Age
- 3y ago

NatureGenX ADK Vitamin Supplement Vitamins A D3 & K2 MK-7 for Bone Health & Calcium Absorption Gluten-Free Non-GMO Soy-Free 120 Capsules 2-Pack (4-Month Supply)
- Price
- $39.04
- Rating
- 4.8/5
- Reviews
- 1,285
- Age
- 8y ago

DAVINCI Labs ADK 10 - Helps Support Bone Heart & Immune Health - Dietary Supplement with Vitamins A D3 & K2 (as MK-7) - Vegetarian Gluten Free & Soy Free - 90 Capsules
- Price
- $59.16
- Rating
- 4.7/5
- Reviews
- 128
- Age
- 7y ago

Biote Nutraceuticals - ADK 5 - Immunity + Cardiovascular (90 Capsules)
- Price
- $48.77
- Rating
- 4.9/5
- Reviews
- 657
- Age
- 5y ago

Vitamatic ADK Vitamin Supplement 180 Veg Capsules High Potency Vitamins A D3 K2 for Bone Health Calcium Absorption Non-GMO Gluten Free
- Price
- $19.41
- Rating
- 4.7/5
- Reviews
- 265
- Age
- 1y ago
Newest
by launch date
Vitamatic ADK Vitamin Supplement 180 Veg Capsules High Potency Vitamins A D3 K2 for Bone Health Calcium Absorption Non-GMO Gluten Free
- Price
- $19.41
- Rating
- 4.7/5
- Reviews
- 265
- Age
- 1y ago

High Absorption ADK Vitamin Supplement - Vegan Vitamin D3 K2 MK7 & A for Calcium Regulation plus Bone Heart Thyroid & Immune Support - Vitamin ADK with 5000IU D3 Non GMO & Gluten Free (2 Months)
- Price
- $19.38
- Rating
- 4.6/5
- Reviews
- 214
- Age
- 1y ago

Natures Truth Vitamin ADK | 60 Softgels
- Price
- $12.86
- Rating
- 4.6/5
- Reviews
- 266
- Age
- 3y ago

DAVINCI Labs ADK - Helps Support Bone Heart & Immune Health - Dietary Supplement with Vitamins A D3 & K2 (as MK-7) - Vegetarian Gluten Free & Soy Free - 30 Capsules
- Price
- $19.78
- Rating
- 4.7/5
- Reviews
- 1,221
- Age
- 3y ago

ADK 5 Vitamin Supplement with Olive Oil Once Daily 90 Liquid Capsules
- Price
- $25.01
- Rating
- 4.6/5
- Reviews
- 108
- Age
- 4y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 69% of clicks. Leaders hold, but buyers still shop past them.
Brands
11 falling
Sellers
21
Est. top-5 brand share
84%
Top 20: 100%
Est. top-5 click share
69%
Top 20: 100%
Open market
11%
- NatureGenX28%
- Biote24%
- Codeage13%
- DAVINCI13%
- Vitamatic6%
- Designs for Health4%
- Open — no brand owns it (5 brands, 11%)
Demand
Adk search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top Adk search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- adk39K/yr
- adk vitamin supplement41K/yr
- vitamin adk23K/yr
- biote adk 510K/yr
- adk 58K/yr
- vitamin a d k7K/yr
- a d k vitamin supplement5K/yr
- adk supplement4K/yr
- adk vitamins4K/yr
- davinci laboratories4K/yr
Reviews and returns
What reviews say buyers love and hate about Adk
We read the reviews and the return reasons for every product selling here.
“recent bottles smell absolutely terrible”
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.
17 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 Adk 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









