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Spirulina Powder

brand-locked demand (top 5 brands take 95% of clicks) — Spirulina Powder doesn't clear our bar today.

Flapen Score

36
Skip it
Market size 28Growth 13Conversion 87Competition 13Returns 100Price range 12Avg price 24Brand share 12Review moat 49Quality gap 42
This niche Category average

Is Spirulina Powder profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Spirulina Powder is a £121K/yr Amazon United Kingdom market (139K searches/yr). The top 5 brands hold 95% of demand. Verdict: Skip it — 36/100.

Spirulina Powder: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -23.8% over the last 90 days and 10.1% of searches end in a purchase.

£121K

revenue / yr

Units sold / yr20K
Search volume / yr-23.8%139K
Conversion rate10.1%
Avg price£8.63

Who owns the niche?

The top 5 brands hold 95% of demand, so 5% of the market is open.

5%

open market share

Brands · sellers7 · 15
Top-5 product click share85%
Open market5%
Avg brand age65 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 · 10 products

Sponsored placement90%
New entrants (1y)0· 0 succeeded
Avg rating4.5★
Avg reviews1,619

Top Spirulina Powder 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

The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.

£0£18K£36K£54K£73K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

7 falling

Sellers

15

Top-5 brand share

95%

Top 20: 100%

Top-5 click share

85%

Top 20: 100%

Open market

2%

  • Sevenhills Wholefoods50%
  • ALPHA0132%
  • Herbal Magic5%
  • Naturya5%
  • Inner Vitality3%
  • Bulk3%
  • Open — no brand owns it (1 brand, 2%)

Spirulina Powder demand & seasonality

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

Volume139KCVR10.1%Products10Brands7Top 5 Brands95%OOS Rate0.8%Rating4.5★Reviews1,619Avg BSR#86
4K3KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Top Spirulina Powder search terms shoppers use

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

  • spirulina powder110K/yr
  • spirulina organic powder14K/yr
  • organic spirulina powder10K/yr
  • spirulina powder 1kg3K/yr
  • spirulina powder organic3K/yr

What reviews say buyers love and hate about Spirulina Powder

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

What buyers love

80% of reviews
Quality-Overall29%

It feels high quality and natural, and Ive noticed my shrimp are more active during feeding time

Value For Money14%

Reasonable price

Taste-Overall7%

Taste good

Nutritional Content6%

Protein supplements

Vegan/Organic6%

Great lovely healthy organic spirulina

What buyers complain about

75% of reviews
Taste-Overall39%

taste wise it's wildly exaggerated

Color11%

Input it in smoothies which can ruin the colour as its such dark green

Flavor6%

the flavor from this spirulina seem to cancel each other out

Smell4%

Smells a little bit

Dilute/Watery4%

Its pretty horrible on its own in water

Common Spirulina Powder questions

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

Flapen scores Spirulina Powder 36/100 on Amazon United Kingdom — Skip it. The niche generates £121K/yr across 10 tracked products. Search demand moved -23.8% over the last 90 days.
Search demand for Spirulina Powder on Amazon United Kingdom is steady year-round — the busiest month runs 1.5× the quietest.