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Spirulina

Maybe

An estimated 0.1% of orders come back. But demand is soft, at -14.1% this quarter, so Spirulina 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
$3.0M/yr2.4M searches / yr
90-day growth
-14.1%search demand this quarter
Competition
64%top-5 click share · 11 brands · 564 sellers

Flapen Score

Spirulina against its category

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

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

Market

The Spirulina market on Amazon at a glance

Shoppers on Amazon United States searched for Spirulina 2.4M times last year and spent an estimated $3.0M. The top 5 brands take 78% of clicks. Flapen scores it 56 out of 100, a Maybe.

01 · Demand

An estimated 5.7% of those searches ended in a purchase.

Shoppers searched for this 2.4M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.7% of those searches ended in a purchase. Searches in the last 90 days moved -14.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $3.0M a year.

Searches, last 12 months
2.4M
Growth, 90 days vs prior 90
-14.1%
Conversion, latest week
5.7%
Market size, estimated
$3.0Ma year
Peak month
February1.5× the quietest month
Top search term
spirulina1.3M searches a year

02 · Price

A sale here is worth $21.49.

Listings sell for $21.49 on average, from $5.82 to $39.92. Amazon reports units sold in ranges. This niche sold 150K to 200K a year. The average listing sells 8,000 to 10,000 of them. At $21.49 that is $172K to $215K a year per listing.

Average price
$21.49inside the $15 to $100 sweet spot
Price range
$5.82–$39.92
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
150K–200K
Units per listing a year
8,000–10,000
Revenue per listing a year
$172K–$215K
Returns
0.1%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

88% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 3.4% of listings are out of stock. The average listing ranks #183 within Spirulina. It carries 5,417 reviews at 4.57 stars, so a new listing needs social proof before a better product.

Sponsored listings
88%
Prime listings
100%
Out of stock, average day
3.4%
Average rank
#183in Spirulina
Average rating
4.57 starsAmazon United States average 4.42 stars
Average reviews
5,417per listing
Listings tracked
17

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 71 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
71 months

Products

Top Spirulina products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 64% of clicks. Leaders hold, but buyers still shop past them.

Brands

11 falling

Sellers

564

Top-5 brand share

78%

Top 20: 100%

Top-5 click share

64%

Top 20: 100%

Open market

17%

  • Brand 126%
  • Brand 220%
  • Brand 319%
  • Brand 48%
  • Brand 55%
  • Brand 65%
  • Open — no brand owns it (5 brands, 17%)

Demand

Spirulina search demand

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

70K50KSpike '25Spike '26DecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Search terms

Top Spirulina search terms shoppers use

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

  • spirulina1.3M/yr
  • spirulina powder organic498K/yr
  • spirulina powder289K/yr
  • espirulina62K/yr
  • organic spirulina powder59K/yr
  • espirulina organica36K/yr
  • organic spirulina42K/yr
  • spirulina organic24K/yr
  • espirulina en polvo organica pura22K/yr
  • spirulina protein19K/yr

Reviews and returns

What reviews say buyers love and hate about Spirulina

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

15%of positive reviews mention “Quality-Overall”
15%of negative reviews mention “Taste-Overall”
0.1%of orders come back
“taste that is unpleasant to me”
A buyer, on “Taste-Overall”15% 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.

18 topics

NegativePositive

FAQ

Common Spirulina questions

Answered from the same tracked data.