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Blue Green Algae

Fail

Shoppers spend an estimated $58K a year here, so Blue Green Algae is a Fail.

Flapen Score
48
48 / 100
Ranks 7,720 of 14,768 Health & Household niches · −1 vs the category median of 49
Market size
$58K/yr26K searches / yr
90-day growth
+6.4%search demand this quarter
Competition
69%top-5 click share · 11 brands · 20 sellers

Flapen Score

Blue Green Algae against its category

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

48Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Blue Green Algae market on Amazon at a glance

Shoppers on Amazon United States searched for Blue Green Algae 26K times last year and spent an estimated $58K. The top 5 brands take 82% of clicks. Demand peaks in Aug–Sep. Flapen scores it 48 out of 100, a Fail.

01 · Demand

An estimated 9.2% of those searches ended in a purchase.

Shoppers searched for this 26K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 9.2% of those searches ended in a purchase. Searches in the last 90 days moved +6.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $58K a year.

Searches, last 12 months
26K
Growth, 90 days vs prior 90
+6.4%
Conversion, latest week
9.2%
Market size, estimated
$58Ka year
Peak month
September4.3× the quietest month
Top search term
blue green algae17K searches a year

02 · Price

A sale here is worth $24.53.

Listings sell for $24.53 on average, from $6.97 to $49.24. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 100 to 250 of them. At $24.53 that is $2K to $6K a year per listing.

Average price
$24.53inside the $15 to $100 sweet spot
Price range
$6.97–$49.24
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
2K–3K
Units per listing a year
100–250
Revenue per listing a year
$2K–$6K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is low.

73% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #1,218 within Chlorella. It carries 748 reviews at 4.60 stars, so a new listing needs social proof before a better product.

Sponsored listings
73%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#1,218in Chlorella
Average rating
4.60 starsAmazon United States average 4.42 stars
Average reviews
748per listing
Listings tracked
15

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 99 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
99 months

Products

Top Blue Green Algae 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 Jul 27, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 69% of clicks. Leaders hold, but buyers still shop past them.

$0$6K$12K$17K$23K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

11 falling

Sellers

20

Est. top-5 brand share

82%

Top 20: 100%

Est. top-5 click share

69%

Top 20: 100%

Open market

13%

  • American Health29%
  • PURE SYNERGY20%
  • Source Naturals12%
  • Carlyle11%
  • Triquetra Health10%
  • Teraputics5%
  • Open — no brand owns it (5 brands, 13%)

Demand

Blue Green Algae search demand

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

4K3KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Aug, Sep · busiest ÷ quietest = 4.3×

Search terms

Top Blue Green Algae search terms shoppers use

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

  • blue green algae17K/yr
  • blue green algae supplement7K/yr
  • klamath blue green algae2K/yr

Reviews and returns

What reviews say buyers love and hate about Blue Green Algae

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

32%of positive reviews mention “Quality-Overall”
15%of negative reviews mention “Size-Overall”
<0.1%of orders come back, a rate Amazon rounds to zero
“This product is great; however, the container has become significantly larger while still containing the same amount of spirulina”
A buyer, on “Size-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.

16 topics

NegativePositive

FAQ

Common Blue Green Algae 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