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Spirulina Tablets

prices mostly outside the sweet spot ($5.72–$11.72) — Spirulina Tablets doesn't clear our bar today.

Flapen Score

37
Skip it
Market size 13Growth 15Conversion 91Competition 20Returns 100Price range 0Avg price 26Brand share 26Review moat 58Quality gap 35
This niche Category average

Is Spirulina Tablets profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Spirulina Tablets is a £50K/yr Amazon United Kingdom market (50K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Aug. Verdict: Skip it — 37/100.

Spirulina Tablets: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -19.8% over the last 90 days and 11.0% of searches end in a purchase.

£50K

revenue / yr

Units sold / yr6K
Search volume / yr-19.8%50K
Conversion rate11.0%
Avg price£9.11

Who owns the niche?

The top 5 brands hold 89% of demand, so 11% of the market is open.

11%

open market share

Brands · sellers8 · 11
Top-5 product click share76%
Open market11%
Avg brand age78 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 · 11 products

Sponsored placement100%
New entrants (1y)0· 0 succeeded
Avg rating4.5★
Avg reviews1,193

Top Spirulina Tablets 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 76% of clicks — a locked-up shelf that new listings rarely crack.

£0£5K£10K£15K£20K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

8 falling

Sellers

11

Top-5 brand share

89%

Top 20: 100%

Top-5 click share

76%

Top 20: 100%

Open market

6%

  • ALPHA0152%
  • MySuperfoods12%
  • Inner Vitality11%
  • Spring Blossom10%
  • WeightWorld5%
  • SS Sport Supplies4%
  • Open — no brand owns it (2 brands, 6%)

Spirulina Tablets demand & seasonality

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

Volume50KCVR11.0%Products11Brands8Top 5 Brands89%OOS Rate11.3%Rating4.5★Reviews1,193Avg BSR#9
2K2KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Aug · busiest ÷ quietest = 1.7×

What reviews say buyers love and hate about Spirulina Tablets

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

What buyers love

76% of reviews
Quality-Overall34%

Good well produced product

Value For Money11%

Value for Money

Nutritional Content6%

feels like a healthy addition to my daily routine

Vegan/Organic6%

This is a good organic chlorella and spirulina supplement

Advertised Vs Actual Product5%

does the job

What buyers complain about

71% of reviews
Side Effects22%

Unexpected side effects

Quality-Overall13%

Quality

Size-Overall8%

SURELY NOT FIT FOT HUMAN

Functionality-Overall6%

They obviously dont work for me

Regulates Digestion6%

I used to have some digestive problems

Common Spirulina Tablets questions

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

Flapen scores Spirulina Tablets 37/100 on Amazon United Kingdom — Skip it. The niche generates £50K/yr across 11 tracked products. Search demand moved -19.8% over the last 90 days.
Search demand for Spirulina Tablets on Amazon United Kingdom peaks in Aug, where the busiest month runs 1.7× the quietest.