Spirulina
FailShoppers spend an estimated $0 a year here, so Spirulina is a Fail.
- Flapen Score
- 26 / 100Ranks 184 of 198 Health, Household and Personal Care niches · −11 vs the category median of 3726
- Market size
- $0/yr3K searches / yr
- 90-day growth
- -29.1%search demand this quarter
- Competition
- 100%top-5 click share · 4 brands · 12 sellers
Flapen Score
Spirulina against its category
The dotted line is the Health, Household and Personal Care average. Past it, Spirulina is stronger. Inside it, weaker.
Market
The Spirulina market on Amazon at a glance
Shoppers on Amazon Singapore searched for Spirulina 3K times last year and spent an estimated $0. All 4 brands take every click. Flapen scores it 26 out of 100, a Fail.
01 · Demand
An estimated 0.0% of those searches ended in a purchase.
Shoppers searched for this 3K times in the last 12 months. That counts every search on Amazon Singapore for this niche's terms. An estimated 0.0% of those searches ended in a purchase. Searches in the last 90 days moved -29.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $0 a year.
- Searches, last 12 months
- 3K
- Growth, 90 days vs prior 90
- -29.1%
- Conversion, latest week
- 0.0%
- Market size, estimated
- $0a year
- Top search term
- spirulina3K searches a year
02 · Price
A sale here is worth $22.74.
Listings sell for $22.74 on average, from $14.03 to $31.35. Amazon reports units sold in ranges. This niche sold 100 to 250 a year. The average listing sells 0 to 100 of them. At $22.74 that is $0 to $2K a year per listing.
- Average price
- $22.74inside the $15 to $100 sweet spot
- Price range
- $14.03–$31.35
- Amazon Singapore median price
- $30.00across 1,590 niches
- Units sold a year
- 100–250
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$2K
- Returns
- 0.0%of orders · Amazon Singapore median 0.0%
03 · Entry bar
The bar here is low.
40% of listings pay for placement with sponsored ads. 80% ship with Prime. On an average day, 9.9% of listings are out of stock. The average listing ranks #268 within Health, Household and Personal Care. It carries 881 reviews at 4.64 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 40%
- Prime listings
- 80%
- Out of stock, average day
- 9.9%
- Average rank
- #268in Health, Household and Personal Care
- Average rating
- 4.64 starsAmazon Singapore average 4.47 stars
- Average reviews
- 881per listing
- Listings tracked
- 5
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 91 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 91 months
Products
Top Spirulina products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Now Foods Certified Organic Spirulina Tablets 500mg 500ct
- Price
- $24.51
- Rating
- 4.7/5
- Reviews
- 3,071
- Age
- 13y 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
- Price
- $23.86
- Rating
- 5.0/5
- Reviews
- 2
- Age
- 2y ago

365 by Whole Foods Market Organic Spirulina Superfood Powder 113g
- Price
- $19.95
- Rating
- 4.5/5
- Reviews
- 682
- Age
- 5y ago

Swanson Certified Organic Spirulina 500 mg 180 Tabs Vegan Boost Antioxidant Toxin Removal & Cardiovascular Health
- Price
- $14.03
- Rating
- 4.4/5
- Reviews
- 146
- Age
- 21y ago

NOW Foods Certified Organic Spirulina 1 000 mg 240 Tablets
- Price
- $31.35
- Rating
- 4.6/5
- Reviews
- 502
- Age
- 1y ago
Trending
estimated 90-day click momentum
365 by Whole Foods Market Organic Spirulina Superfood Powder 113g
- Price
- $19.95
- Rating
- 4.5/5
- Reviews
- 682
- Age
- 5y ago

Swanson Certified Organic Spirulina 500 mg 180 Tabs Vegan Boost Antioxidant Toxin Removal & Cardiovascular Health
- Price
- $14.03
- Rating
- 4.4/5
- Reviews
- 146
- Age
- 21y 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
- Price
- $23.86
- Rating
- 5.0/5
- Reviews
- 2
- Age
- 2y ago

NOW Foods Certified Organic Spirulina 1 000 mg 240 Tablets
- Price
- $31.35
- Rating
- 4.6/5
- Reviews
- 502
- Age
- 1y ago

Now Foods Certified Organic Spirulina Tablets 500mg 500ct
- Price
- $24.51
- Rating
- 4.7/5
- Reviews
- 3,071
- Age
- 13y ago
Newest
by launch date
NOW Foods Certified Organic Spirulina 1 000 mg 240 Tablets
- Price
- $31.35
- Rating
- 4.6/5
- Reviews
- 502
- Age
- 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
- Price
- $23.86
- Rating
- 5.0/5
- Reviews
- 2
- Age
- 2y ago

365 by Whole Foods Market Organic Spirulina Superfood Powder 113g
- Price
- $19.95
- Rating
- 4.5/5
- Reviews
- 682
- Age
- 5y ago

Now Foods Certified Organic Spirulina Tablets 500mg 500ct
- Price
- $24.51
- Rating
- 4.7/5
- Reviews
- 3,071
- Age
- 13y ago

Swanson Certified Organic Spirulina 500 mg 180 Tabs Vegan Boost Antioxidant Toxin Removal & Cardiovascular Health
- Price
- $14.03
- Rating
- 4.4/5
- Reviews
- 146
- Age
- 21y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 100% of clicks. A locked shelf that new listings rarely crack.
Brands
4 rising
Sellers
12
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
100%
Top 20: 100%
Open market
0%
- Now Foods46%
- ALIGMA25%
- 365 by Whole Foods Market15%
- Swanson14%
- Open — no brand owns it (0%)
Demand
Spirulina search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Feb, Nov · busiest ÷ quietest = 2.0× · 11 of 12 months tracked
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Spirulina questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









