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50

spirulina and chlorella powder

Worth a look

Shows low returns (0.0%), but a small market ($46K/yr) keeps it on the watch list.

Market size 11Growth 33Conversion 68Competition 46Returns 100Price range 84Avg price 95Brand share 48Review moat 42Quality gap 35

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$24.15

avg listing price — sweet spot $15–$100

Price range

Great$9.96–$47.09

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Good6.2%

search→purchase rate — share of searches ending in a sale

Brand share

Okay76%

top-5 brand share — brands hold most of the demand

Competition

Okay57%

top-5 click share — leaders hold, buyers still browse

Review moat

Okay2,299.23

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+6.2%

90-day search growth — must beat 0% to launch

Market size

Bad$46K

$46K/yr · 31K searches

According to Flapen's Amazon United States niche tracking, spirulina and chlorella powder is a $46K/yr Amazon United States market (31K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 50/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

spirulina and chlorella powder market data

Units sold / yr
2K–2K
avg 0–100/product
Revenue / yr
$36K–$48K
units × avg price
Conversion rate
6.2%
Avg BSR
#59
Page quality
0%
Prime
100%
Sponsored
95%
Out of stock
2.6%
Avg brand age
81 months
Avg seller age
163 days

Competition & brand share

The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 falling

Sellers

505

Top-5 brand share

76%

Top 20: 100%

Top-5 click share

57%

Top 20: 98%

Open market

16%

  • Micro Ingredients21%
  • Sunlit Best Green Organics19%
  • Wizelephant17%
  • Food to Live10%
  • Good Natured9%
  • Zazzee8%
  • Open — no brand owns it (8 brands, 16%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +6.2% search growth over the last 90 days.
2K1KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Aug, Sep · busiest ÷ quietest = 2.1×

Top spirulina and chlorella powder search terms

  • spirulina chlorella powder13K/yr
  • chlorella spirulina powder6K/yr
  • spirulina and chlorella powder6K/yr
  • spirulina chlorella powder organic5K/yr
All search terms

Top spirulina and chlorella powder products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%$2K10%$5K15%$7K20%$9K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

What buyers say about spirulina and chlorella powder

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall13%

“Excellent Quality”

Taste-Overall10%

“Has a earthy taste”

Nutritional Content8%

“This supplement is a keeper”

Value For Money7%

“Great product for a reasonable price”

Energy Level6%

“It gives me an energy boost”

Advertised Vs Actual Product4%

“it is what it advertises to be”

Vitamin4%

“Great supplement all around”

Vegan/Organic3%

“Certified Organic”

Ease Of Use3%

“EASE OF USE”

Ingredients-Overall3%

“Clean ingredients”

What buyers complain about

Taste-Overall17%

“Weird taste”

Smell6%

“the smell straight out of the tub isnt great”

Dosage5%

“False advertising on dosage amounts”

Advertised Vs Actual Product4%

“Looks can be deceiving”

Side Effects3%

“side effects”

Acid Regulator/Stomach Ache Relief3%

“Awful stomach pain”

Ingredients-Overall3%

“can contain things that are not very healthy”

Value For Money3%

“which is too expensive for me”

Allergies2%

“For some there is the potential for allergic reaction”

Functionality-Overall2%

“Didn't work”

Top return reasons

Quality-Overall17%
Acid Regulator/Stomach Ache Relief17%
Iron17%
Nutritional Content17%
Functionality-Overall17%
Contamination17%

Common questions

Is spirulina and chlorella powder profitable to sell on Amazon United States?
The niche generates $46K/yr across 22 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +6.2%. Flapen's verdict: Worth a look (50/100).
How competitive is the spirulina and chlorella powder niche?
14 brands and 505 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 76% of demand.
What do buyers complain about in spirulina and chlorella powder?
Top complaints mined from reviews: Taste-Overall, Smell, Dosage. The return rate is 0.0%.
When does demand for spirulina and chlorella powder peak?
Demand peaks in Aug–Sep; the busiest month runs 2.1× the quietest.
What does it cost to enter the spirulina and chlorella powder niche?
Listings span $9.96–$47.09; the average listing price is $24.15 (sweet spot $15–$100). The average incumbent carries 2,299 reviews — the moat a new listing must climb.