Adk
Adk shows low returns (0.0%), but strong incumbent ratings (4.7★) keeps it on the watch list.
Flapen Score
Top 24% of 14,768 Health & Household niches · +6 vs the category median of 49
Is Adk profitable on Amazon?
According to Flapen's Amazon United States niche tracking, Adk is a $669K/yr Amazon United States market (166K searches/yr). The top 5 brands hold 84% of demand. Verdict: Worth a look — 55/100.
Adk: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Worth a look. Search demand moved -5.2% over the last 90 days and 12.6% of searches end in a purchase.
$669K
revenue / yr
Who owns the niche?
The top 5 brands hold 84% of demand, so 16% of the market is open.
16%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.7★ — the gap to enter on.
0/100
page quality · 16 products
Top Adk products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 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
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 dateVitamatic 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: brands, sellers & click share
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.
Brands
11 falling
Sellers
21
Top-5 brand share
84%
Top 20: 100%
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%)
Adk demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.4×
Top Adk search terms shoppers use
The exact queries shoppers type, with 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
What reviews say buyers love and hate about Adk
What buyers mention most, as a share of all reviews.
What buyers love
77% of reviews“This brand is wonderful and well tolerated”
“This is by far the best vitamin supplement Ive ever used”
“Worth the money”
“Does what it has to do”
“My levels are always great”
What buyers complain about
50% of reviews“recent bottles smell absolutely terrible”
“do not take them”
“sticks together hard to shake one loose”
“those can be a hassle”
“They are small”
Adk return rate & reasons
Why buyers send it back, as a share of all return requests.
0.0%
Return rate
0%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Adk questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
