Calcifediol
FailThe top 5 products take 100% of clicks, so Calcifediol is a Fail.
- Flapen Score
- 34 / 100Ranks 13,952 of 14,768 Health & Household niches · −15 vs the category median of 4934
- Market size
- $34K/yr31K searches / yr
- 90-day growth
- -11.1%search demand this quarter
- Competition
- 100%top-5 click share · 5 brands · 8 sellers
Flapen Score
Calcifediol against its category
The dotted line is the Health & Household average. Past it, Calcifediol is stronger. Inside it, weaker.
Market
The Calcifediol market on Amazon at a glance
Shoppers on Amazon United States searched for Calcifediol 31K times last year and spent an estimated $34K. All 5 brands take every click. Flapen scores it 34 out of 100, a Fail.
01 · Demand
An estimated 4.8% of those searches ended in a purchase.
Shoppers searched for this 31K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.8% of those searches ended in a purchase. Searches in the last 90 days moved -11.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $34K a year.
- Searches, last 12 months
- 31K
- Growth, 90 days vs prior 90
- -11.1%
- Conversion, latest week
- 4.8%
- Market size, estimated
- $34Ka year
- Peak month
- April1.8× the quietest month
- Top search term
- calcifediol14K searches a year
02 · Price
A sale here is worth $22.64.
Listings sell for $22.64 on average, from $9.80 to $39.23. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 250 to 500 of them. At $22.64 that is $6K to $11K a year per listing.
- Average price
- $22.64inside the $15 to $100 sweet spot
- Price range
- $9.80–$39.23
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–2K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $6K–$11K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
80% of listings pay for placement with sponsored ads. 80% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #574 within Vitamin D. It carries 1,488 reviews at 4.56 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 80%
- Prime listings
- 80%
- Out of stock, average day
- 0.0%
- Average rank
- #574in Vitamin D
- Average rating
- 4.56 starsAmazon United States average 4.42 stars
- Average reviews
- 1,488per listing
- Listings tracked
- 5
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 85 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
- 85 months
Products
Top Calcifediol 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
Sunray Calcifediol Vitamin D Supplement | Fast-Acting Once-Weekly Vitamin D | High Bioavailability 25-Hydroxyvitamin D | Immune Mood Bone & Muscle Support | 4 Capsules
- Price
- $30.70
- Rating
- 4.5/5
- Reviews
- 286
- Age
- 1y ago

VitamoreD Vitamin D Calcifediol 10 mcg | Easy Swallow Tablets | Two-A-Day | 30 Day Supply | 60 Tablets
- Price
- $15.93
- Rating
- 4.7/5
- Reviews
- 55
- Age
- 1y ago

Nike Sunray Adjust 4 Boys (GS/PS) Shoes Hydrangeas/Comet Blue/Pink 386520-504 (7 M US)
- Price
- $17.55
- Rating
- 4.4/5
- Reviews
- 18
- Age
- 9y ago

Vitamatic Vitamin D3 50 000 IU Once Weekly 60 Veg Capsules Made in USA
- Price
- $9.80
- Rating
- 4.8/5
- Reviews
- 5,122
- Age
- 6y ago

Calciven Natural Bone Support Supplement Vegetarian Gluten-Free
- Price
- $39.23
- Rating
- 4.4/5
- Reviews
- 1,957
- Age
- 5y ago
Trending
estimated 90-day click momentum
Nike Sunray Adjust 4 Boys (GS/PS) Shoes Hydrangeas/Comet Blue/Pink 386520-504 (7 M US)
- Price
- $17.55
- Rating
- 4.4/5
- Reviews
- 18
- Age
- 9y ago

Calciven Natural Bone Support Supplement Vegetarian Gluten-Free
- Price
- $39.23
- Rating
- 4.4/5
- Reviews
- 1,957
- Age
- 5y ago

Vitamatic Vitamin D3 50 000 IU Once Weekly 60 Veg Capsules Made in USA
- Price
- $9.80
- Rating
- 4.8/5
- Reviews
- 5,122
- Age
- 6y ago

VitamoreD Vitamin D Calcifediol 10 mcg | Easy Swallow Tablets | Two-A-Day | 30 Day Supply | 60 Tablets
- Price
- $15.93
- Rating
- 4.7/5
- Reviews
- 55
- Age
- 1y ago

Sunray Calcifediol Vitamin D Supplement | Fast-Acting Once-Weekly Vitamin D | High Bioavailability 25-Hydroxyvitamin D | Immune Mood Bone & Muscle Support | 4 Capsules
- Price
- $30.70
- Rating
- 4.5/5
- Reviews
- 286
- Age
- 1y ago
Newest
by launch date
Sunray Calcifediol Vitamin D Supplement | Fast-Acting Once-Weekly Vitamin D | High Bioavailability 25-Hydroxyvitamin D | Immune Mood Bone & Muscle Support | 4 Capsules
- Price
- $30.70
- Rating
- 4.5/5
- Reviews
- 286
- Age
- 1y ago

VitamoreD Vitamin D Calcifediol 10 mcg | Easy Swallow Tablets | Two-A-Day | 30 Day Supply | 60 Tablets
- Price
- $15.93
- Rating
- 4.7/5
- Reviews
- 55
- Age
- 1y ago

Calciven Natural Bone Support Supplement Vegetarian Gluten-Free
- Price
- $39.23
- Rating
- 4.4/5
- Reviews
- 1,957
- Age
- 5y ago

Vitamatic Vitamin D3 50 000 IU Once Weekly 60 Veg Capsules Made in USA
- Price
- $9.80
- Rating
- 4.8/5
- Reviews
- 5,122
- Age
- 6y ago

Nike Sunray Adjust 4 Boys (GS/PS) Shoes Hydrangeas/Comet Blue/Pink 386520-504 (7 M US)
- Price
- $17.55
- Rating
- 4.4/5
- Reviews
- 18
- Age
- 9y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 100% of clicks. A locked shelf that new listings rarely crack.
Brands
5 rising
Sellers
8
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
100%
Top 20: 100%
Open market
0%
- Immunotec59%
- VitamoreD28%
- Nike5%
- Vitamatic5%
- Calciven3%
Demand
Calcifediol search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.8×
Search terms
Top Calcifediol search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- calcifediol14K/yr
- sunray6K/yr
- calciferol3K/yr
- vitamin d injection3K/yr
- calcifediol vitamin d33K/yr
- sunray vitamin d2K/yr
Reviews and returns
What reviews say buyers love and hate about Calcifediol
We read the reviews and the return reasons for every product selling here.
“Not enough calcium for me”
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.
15 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 Calcifediol 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









