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Algae

Algae shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Flapen Score

59
Worth a look

Top 13% of 14,768 Health & Household niches · +10 vs the category median of 49

Market size 20Growth 53Conversion 56Competition 78Returns 100Price range 70Avg price 95Brand share 75Review moat 30Quality gap 33
This niche Category average · 14,768 niches

Is Algae profitable on Amazon?

According to Flapen's Amazon United States niche tracking, Algae is a $80K/yr Amazon United States market (51K searches/yr). The top 5 brands hold 60% of demand. Demand peaks in Jun–Oct. Verdict: Worth a look — 59/100.

Algae: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved +25.5% over the last 90 days and 4.8% of searches end in a purchase.

$80K

revenue / yr

Units sold / yr3K
Search volume / yr+25.5%51K
Conversion rate4.8%
Avg price$32.68

Who owns the niche?

The top 5 brands hold 60% of demand, so 40% of the market is open.

40%

open market share

Brands · sellers31 · 701
Top-5 product click share37%
Open market40%
Avg brand age84 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 49 products

Sponsored placement78%
New entrants (1y)1· 1 succeeded
Avg rating4.5★
Avg reviews3,529

Top Algae products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.

$0$2K$5K$7K$10K1001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

31 falling

Sellers

701

Top-5 brand share

60%

Top 20: 92%

Top-5 click share

37%

Top 20: 76%

Open market

34%

  • Nordic Naturals26%
  • Micro Ingredients13%
  • ENERGYBITS8%
  • CLOROX Pool&Spa7%
  • API6%
  • MAV NUTRITION6%

Algae demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume51KCVR4.8%Products49Brands31Top 5 Brands60%OOS Rate0.3%Rating4.5★Reviews3,529Avg BSR#227
7K5KSpike '24Holiday '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jun, Oct · busiest ÷ quietest = 2.7×

Top Algae search terms shoppers use

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

  • algae32K/yr
  • algae supplement6K/yr
  • dha algae 200mg4K/yr
  • alge4K/yr
  • algea4K/yr
  • nordic naturals algae dha2K/yr

What reviews say buyers love and hate about Algae

What buyers mention most, as a share of all reviews.

What buyers love

55% of reviews
Quality-Overall15%

Excellent Product

Taste-Overall10%

delicious and addictive

Value For Money6%

Great value

Vegan/Organic5%

Great For A Vegan

Advertised Vs Actual Product5%

Exactly as advertised

What buyers complain about

53% of reviews
Taste-Overall11%

Awful taste

Functionality-Overall10%

It never worked

Value For Money10%

Too much money

Smell6%

Bad smell

Quality-Overall3%

Lack of consistent quality

Algae return rate & reasons

Why buyers send it back, as a share of all return requests.

0.1%

Return rate

28%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Leak-Proof
22%
2Functionality-Overall
21%
3Advertised Vs Actual Product
19%
4Value For Money
10%
5Size-Overall
6%

Common Algae questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Algae 59/100 on Amazon United States — Worth a look. The niche generates $80K/yr across 49 tracked products. 1 of 1 products launched in the last 360 days are still selling. Search demand moved +25.5% over the last 90 days.
Search demand for Algae on Amazon United States peaks in Jun–Oct, where the busiest month runs 2.7× the quietest.