Vitamin D 800 Iu
FailThe average product has 34,072 reviews to catch up to, so Vitamin D 800 Iu is a Fail.
- Flapen Score
- 46 / 100Ranks 9,041 of 14,768 Health & Household niches · −3 vs the category median of 4946
- Market size
- $45K/yr58K searches / yr
- 90-day growth
- +6.8%search demand this quarter
- Competition
- 50%top-5 click share · 12 brands · 410 sellers
Flapen Score
Vitamin D 800 Iu against its category
The dotted line is the Health & Household average. Past it, Vitamin D 800 Iu is stronger. Inside it, weaker.
Market
The Vitamin D 800 Iu market on Amazon at a glance
Shoppers on Amazon United States searched for Vitamin D 800 Iu 58K times last year and spent an estimated $45K. The top 5 brands take 72% of clicks. Flapen scores it 46 out of 100, a Fail.
01 · Demand
An estimated 7.2% of those searches ended in a purchase.
Shoppers searched for this 58K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.2% of those searches ended in a purchase. Searches in the last 90 days moved +6.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $45K a year.
- Searches, last 12 months
- 58K
- Growth, 90 days vs prior 90
- +6.8%
- Conversion, latest week
- 7.2%
- Market size, estimated
- $45Ka year
- Peak month
- January1.3× the quietest month
- Top search term
- vitamin d 800 iu22K searches a year
02 · Price
A sale here is worth $10.89.
Listings sell for $10.89 on average, from $4.86 to $26.10. Amazon reports units sold in ranges. This niche sold 5K to 6K a year. The average listing sells 100 to 250 of them. At $10.89 that is $1K to $3K a year per listing.
- Average price
- $10.89under the $15 to $100 sweet spot
- Price range
- $4.86–$26.10
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 5K–6K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $1K–$3K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
62% of listings pay for placement with sponsored ads. 95% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #294 within Vitamin D. It carries 34,072 reviews at 4.70 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 62%
- Prime listings
- 95%
- Out of stock, average day
- 0.0%
- Average rank
- #294in Vitamin D
- Average rating
- 4.70 starsAmazon United States average 4.42 stars
- Average reviews
- 34,072per listing
- Listings tracked
- 21
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 94 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 94 months
Products
Top Vitamin D 800 Iu 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
Nature Made Vitamin D3 1000 IU (25 mcg) 300 Vitamin D Softgels
- Price
- $10.79
- Rating
- 4.8/5
- Reviews
- 60,500
- Age
- 15y ago

NatureWise Vitamin D3 1000IU Supplement Immune Support 360 Mini Softgels
- Price
- $11.66
- Rating
- 4.7/5
- Reviews
- 195,696
- Age
- 10y ago

Nature Made Vitamin D3 1000 IU (25 mcg) 180 Vitamin D Softgels
- Price
- $8.67
- Rating
- 4.8/5
- Reviews
- 60,500
- Age
- 15y ago

NOW Supplements Vitamin D-3 400 IU Strong Bones* Structural support* 180 Softgels
- Price
- $4.86
- Rating
- 4.7/5
- Reviews
- 5,350
- Age
- 22y ago

Natures Truth Vitamin D3 400 IU 100 Count
- Price
- $6.85
- Rating
- 4.7/5
- Reviews
- 1,046
- Age
- 9y ago
Trending
estimated 90-day click momentum
Bronson Vitamin D3 1000 IU (25mcg) Low Dose Vitamin D 360 Tablets
- Price
- $9.85
- Rating
- 4.7/5
- Reviews
- 93
- Age
- 7mo ago

Natures Truth Vitamin D3 400 IU 100 Count
- Price
- $6.85
- Rating
- 4.7/5
- Reviews
- 1,046
- Age
- 9y ago

Deva Vegan Vitamins Vitamin D 800Iu Vegan 90 Tab
- Price
- $8.51
- Rating
- 4.3/5
- Reviews
- 18
- Age
- 12y ago

Natural Nutra Vitamin D3 400 IU Softgels Gluten-Free Vitamin D 100 Count
- Price
- $15.05
- Rating
- 4.6/5
- Reviews
- 172
- Age
- 10y ago

NOW Foods Supplements Vitamin D-3 1 000 IU High Potency Structural Support* 360 Softgels
- Price
- $9.85
- Rating
- 4.8/5
- Reviews
- 11,867
- Age
- 19y ago
Newest
by launch date
Bronson Vitamin D3 1000 IU (25mcg) Low Dose Vitamin D 360 Tablets
- Price
- $9.85
- Rating
- 4.7/5
- Reviews
- 93
- Age
- 7mo ago

NatureWise Vitamin D3 1000iu (25 mcg) 90-Day Supply for Immune Support Healthy Muscle Function and Bone Health Gluten Free in Organic Extra Virgin Olive Oil (Mini Softgel) 90 Count
- Price
- $8.53
- Rating
- 4.7/5
- Reviews
- 195,696
- Age
- 2y ago

Carlyle Vitamin D3 400iu (10mcg) | 400 Tablets | Value Size
- Price
- $9.19
- Rating
- 4.7/5
- Reviews
- 374
- Age
- 4y ago

Garden of Life Kids Organic Vitamin D3 Gummies with 800 IU (100% Daily Value) for Strong Bones Teeth Brain & Immunity Non-GMO No Gluten Vegetarian Sugar Free Orange Flavor 60 Servings
- Price
- $11.92
- Rating
- 4.7/5
- Reviews
- 2,401
- Age
- 6y ago

Natures Truth Vitamin D3 400 IU 100 Count
- Price
- $6.85
- Rating
- 4.7/5
- Reviews
- 1,046
- Age
- 9y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 50% of clicks. Leaders hold, but buyers still shop past them.
Brands
12 falling
Sellers
410
Est. top-5 brand share
72%
Top 20: 100%
Est. top-5 click share
50%
Top 20: 99%
Open market
21%
- Nature Made30%
- DEVA13%
- NatureWise12%
- NOW Foods10%
- Pure Encapsulations7%
- Nature's Truth7%
Demand
Vitamin D 800 Iu search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Vitamin D 800 Iu search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- vitamin d 800 iu22K/yr
- vitamin d3 800 iu16K/yr
- vitamin d 800 iu for women7K/yr
- vitamin d 800 mg5K/yr
- vitamin d3 800 iu for women5K/yr
- 800 iu vitamin d4K/yr
Reviews and returns
What reviews say buyers love and hate about Vitamin D 800 Iu
We read the reviews and the return reasons for every product selling here.
“SO TINY”
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.
16 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 Vitamin D 800 Iu 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









