Skip to content

Liquid Vitamin D

Maybe

An estimated 0.0% of orders come back. But demand is soft, at -8.1% this quarter, so Liquid Vitamin D is a Maybe.

Flapen Score
56
56 / 100
Top 21% of 14,768 Health & Household niches · +7 vs the category median of 49
Market size
$662K/yr428K searches / yr
90-day growth
-8.1%search demand this quarter
Competition
59%top-5 click share · 19 brands · 56 sellers

Flapen Score

Liquid Vitamin D against its category

The dotted line is the Health & Household average. Past it, Liquid Vitamin D is stronger. Inside it, weaker.

56Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Liquid Vitamin D market on Amazon at a glance

Shoppers on Amazon United States searched for Liquid Vitamin D 428K times last year and spent an estimated $662K. The top 5 brands take 68% of clicks. Demand peaks in Jan. Flapen scores it 56 out of 100, a Maybe.

01 · Demand

An estimated 7.3% of those searches ended in a purchase.

Shoppers searched for this 428K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.3% of those searches ended in a purchase. Searches in the last 90 days moved -8.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $662K a year.

Searches, last 12 months
428K
Growth, 90 days vs prior 90
-8.1%
Conversion, latest week
7.3%
Market size, estimated
$662Ka year
Peak month
January1.8× the quietest month
Top search term
liquid vitamin d130K searches a year

02 · Price

A sale here is worth $21.19.

Listings sell for $21.19 on average, from $6.29 to $33.00. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 1,000 to 1,250 of them. At $21.19 that is $21K to $26K a year per listing.

Average price
$21.19inside the $15 to $100 sweet spot
Price range
$6.29–$33.00
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
30K–40K
Units per listing a year
1,000–1,250
Revenue per listing a year
$21K–$26K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

87% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.0% of listings are out of stock. The average listing ranks #265 within Vitamin D. It carries 2,144 reviews at 4.61 stars, so a new listing needs social proof before a better product.

Sponsored listings
87%
Prime listings
100%
Out of stock, average day
1.0%
Average rank
#265in Vitamin D
Average rating
4.61 starsAmazon United States average 4.42 stars
Average reviews
2,144per listing
Listings tracked
23

04 · Newcomers

2 of last year's 2 launches cleared the first-year sales bar.

2 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 86 months on average, so the names here are established.

Launched, last 12 months
2
Successful launches
2Amazon's first-year sales bar
Average brand age
86 months

Products

Top Liquid Vitamin D 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.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 59% of clicks. Leaders hold, but buyers still shop past them.

$0$66K$132K$199K$265K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

19 falling

Sellers

56

Est. top-5 brand share

68%

Top 20: 100%

Est. top-5 click share

59%

Top 20: 96%

Open market

28%

  • NOW Foods24%
  • NUSAVA15%
  • MARYRUTH'S14%
  • THORNE9%
  • NUTRAHARMONY5%
  • Carlyle4%

Demand

Liquid Vitamin D search demand

Weekly searches over the year, seasonality beneath. Pick a range.

15K10KSpike '24Spike '25Prime Day '25DecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.8×

Search terms

Top Liquid Vitamin D search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • liquid vitamin d130K/yr
  • vitamin d liquid66K/yr
  • vitamin d3 liquid26K/yr
  • vitamin d drops adult30K/yr
  • vitamin d liquid drops20K/yr
  • vitamin d3 drops24K/yr
  • liquid vitamin d323K/yr
  • vitamin d oil19K/yr
  • liquid d314K/yr
  • d3 drops11K/yr

Reviews and returns

What reviews say buyers love and hate about Liquid Vitamin D

We read the reviews and the return reasons for every product selling here.

21%of positive reviews mention “Vitamin”
21%of negative reviews mention “Taste-Overall”
<0.1%of orders come back, a rate Amazon rounds to zero
“HORRIBLE TASTE”
A buyer, on “Taste-Overall”21% of negative reviews mention the same topic

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.

20 topics

NegativePositive

FAQ

Common Liquid Vitamin D 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