Is spirulina profitable to sell on Amazon Singapore?

The niche generates $0/yr across 5 tracked products. 90-day search growth is -29.1%. Flapen's verdict: Skip it (26/100).

How competitive is the spirulina niche?

4 brands and 12 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.

What does it cost to enter the spirulina niche?

Listings span $14.03–$31.35; the average listing price is $22.74 (sweet spot $15–$100). The average incumbent carries 881 reviews — the moat a new listing must climb.

spirulina

Skip it

A small market ($0/yr) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$22.74

avg listing price — sweet spot $15–$100

Price range

Great$14.03–$31.35

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

Review moat

Good880.6

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-29.1%

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

Market size

Bad$0

$0/yr · 3K searches

Conversion

Bad0.0%

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

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon Singapore niche tracking, spirulina is a $0/yr Amazon Singapore market (3K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 26/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

spirulina market data

Units sold / yr: 100–250; avg 0–100/product
Revenue / yr: $2K–$6K; units × avg price
Conversion rate: 0.0%
Avg BSR: #268
Page quality: 0%
Prime: 80%
Sponsored: 40%
Out of stock: 9.9%
Avg brand age: 91 months
Avg seller age: 0 days

Competition & brand share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 rising

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

Now Foods46%
ALIGMA25%
365 by Whole Foods Market15%
Swanson14%
Open — no brand owns it (0%)

Demand

Weekly Amazon search volume, last 46 weeks — -29.1% search growth over the last 90 days.

Open Trend

Top spirulina 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 5 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Now Foods Certified Organic Spirulina Tablets 500mg 500ct

Now Foods$24.514.7★3,071 rev

Aligma Organic Spirulina Tablets 500500 mg for Immune System Booster Super Greens Tablets Loaded with Vital Nutrients & High in Vitamins Gluten Free&Calcium Vegan Protein Tablet|Resealable Package

ALIGMA$23.865.0★2 rev

365 by Whole Foods Market Organic Spirulina Superfood Powder 113g

365 by Whole Foods Market$19.954.5★682 rev

Swanson Certified Organic Spirulina 500 mg 180 Tabs Vegan Boost Antioxidant Toxin Removal & Cardiovascular Health

Swanson$14.034.4★146 rev

NOW Foods Certified Organic Spirulina 1 000 mg 240 Tablets

Now Foods$31.354.6★502 rev

Newest

by launch date

NOW Foods Certified Organic Spirulina 1 000 mg 240 Tablets

Now Foods$31.35502 rev

1y ago

Aligma Organic Spirulina Tablets 500500 mg for Immune System Booster Super Greens Tablets Loaded with Vital Nutrients & High in Vitamins Gluten Free&Calcium Vegan Protein Tablet|Resealable Package

ALIGMA$23.862 rev

2y ago

365 by Whole Foods Market Organic Spirulina Superfood Powder 113g

365 by Whole Foods Market$19.95682 rev

5y ago

Now Foods Certified Organic Spirulina Tablets 500mg 500ct

Now Foods$24.513,071 rev

13y ago

Swanson Certified Organic Spirulina 500 mg 180 Tabs Vegan Boost Antioxidant Toxin Removal & Cardiovascular Health

Swanson$14.03146 rev

21y ago

Common questions

Is spirulina profitable to sell on Amazon Singapore?: The niche generates $0/yr across 5 tracked products. 90-day search growth is -29.1%. Flapen's verdict: Skip it (26/100).
How competitive is the spirulina niche?: 4 brands and 12 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What does it cost to enter the spirulina niche?: Listings span $14.03–$31.35; the average listing price is $22.74 (sweet spot $15–$100). The average incumbent carries 881 reviews — the moat a new listing must climb.