Spirulina
MaybeAn estimated 0.1% of orders come back. But demand is soft, at -14.1% this quarter, so Spirulina is a Maybe.
- Flapen Score
- 56 / 100Top 21% of 14,768 Health & Household niches · +7 vs the category median of 4956
- Market size
- $3.0M/yr2.4M searches / yr
- 90-day growth
- -14.1%search demand this quarter
- Competition
- 64%top-5 click share · 11 brands · 564 sellers
Flapen Score
Spirulina against its category
The dotted line is the Health & Household average. Past it, Spirulina is stronger. Inside it, weaker.
Market
The Spirulina market on Amazon at a glance
Shoppers on Amazon United States searched for Spirulina 2.4M times last year and spent an estimated $3.0M. The top 5 brands take 78% of clicks. Flapen scores it 56 out of 100, a Maybe.
01 · Demand
An estimated 5.7% of those searches ended in a purchase.
Shoppers searched for this 2.4M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.7% of those searches ended in a purchase. Searches in the last 90 days moved -14.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $3.0M a year.
- Searches, last 12 months
- 2.4M
- Growth, 90 days vs prior 90
- -14.1%
- Conversion, latest week
- 5.7%
- Market size, estimated
- $3.0Ma year
- Peak month
- February1.5× the quietest month
- Top search term
- spirulina1.3M searches a year
02 · Price
A sale here is worth $21.49.
Listings sell for $21.49 on average, from $5.82 to $39.92. Amazon reports units sold in ranges. This niche sold 150K to 200K a year. The average listing sells 8,000 to 10,000 of them. At $21.49 that is $172K to $215K a year per listing.
- Average price
- $21.49inside the $15 to $100 sweet spot
- Price range
- $5.82–$39.92
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 150K–200K
- Units per listing a year
- 8,000–10,000
- Revenue per listing a year
- $172K–$215K
- Returns
- 0.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
88% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 3.4% of listings are out of stock. The average listing ranks #183 within Spirulina. It carries 5,417 reviews at 4.57 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 88%
- Prime listings
- 100%
- Out of stock, average day
- 3.4%
- Average rank
- #183in Spirulina
- Average rating
- 4.57 starsAmazon United States average 4.42 stars
- Average reviews
- 5,417per listing
- Listings tracked
- 17
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 71 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 71 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 27, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Kate Naturals Organic Spirulina Powder for Immune Support and Antioxidants. Nutrient Dense Superfood Supplement (8 oz USDA Certified Non-GMO Gluten- Free)
- Price
- $9.96
- Rating
- 4.5/5
- Reviews
- 5,173
- Age
- 4y ago

Zazzee USDA Organic Spirulina Powder 2.2 Pounds (1 KG) 303 Servings Certified Kosher 100% Pure Non-Irradiated Mess-Free Wide Mouth Container Fresh Smell and Neutral Taste Non-GMO Made in USA
- Price
- $39.92
- Rating
- 4.5/5
- Reviews
- 7,699
- Age
- 9y ago

Organic Spirulina Powder 1lb | Blue-Green Algae Naturally Occurring Vegan Protein Vitamins & Minerals | Source of Natural Chlorophyll & Enzymes | Non-GMO Gluten-Free No Additives
- Price
- $21.67
- Rating
- 4.5/5
- Reviews
- 9,857
- Age
- 10y ago

NOW Foods Supplements Certified Organic Spirulina 1000 mg (Double Strength) Rich in Beta-Carotene (Vitamin A) and B-12 with naturally occurring GLA 120 Tablets
- Price
- $12.63
- Rating
- 4.6/5
- Reviews
- 8,154
- Age
- 12y ago

USDA Organic Blue Spirulina Powder (Phycocyanin Extract) No Fishy Smell 100% Vegan Protein from Blue-Green Algae 28 Servings Natural Food Coloring for Smoothies Baking & Drinks (1 Ounce)
- Price
- $16.18
- Rating
- 4.6/5
- Reviews
- 1,114
- Age
- 5y ago
Trending
estimated 90-day click momentum
NOW Supplements Organic Spirulina 500 mg with Vitamins Minerals and GLA (Gamma-Linolenic Acid) 100 Tablets
- Price
- $5.82
- Rating
- 4.6/5
- Reviews
- 4,914
- Age
- 22y ago

USDA Organic Blue Spirulina Powder (Phycocyanin Extract) No Fishy Smell 100% Vegan Protein from Blue-Green Algae 28 Servings Natural Food Coloring for Smoothies Baking & Drinks (1 Ounce)
- Price
- $16.18
- Rating
- 4.6/5
- Reviews
- 1,114
- Age
- 5y ago

Nutrex Hawaii Pure Hawaiian Spirulina Powder - Vegan Superfood Farm Grown Non-GMO Immune Support & Cellular Energy 90 Day Supply 9.53 Oz
- Price
- $25.21
- Rating
- 4.6/5
- Reviews
- 6,993
- Age
- 10mo ago

Organic Spirulina Tablets (360 Tablets) - Made with Parry Spirulina The Best Spirulina in the World Highest Nutrient Density - Non-Irradiated 3 Organic Certifications (90 Servings)
- Price
- $28.63
- Rating
- 4.6/5
- Reviews
- 3,401
- Age
- 5y ago

Micro Ingredients Organic Spirulina Chlorella Mini Tablets 2 500 Tablets (8 Month Supply) | 50/50 Algae Blend | No Fillers Non-GMO
- Price
- $26.72
- Rating
- 4.7/5
- Reviews
- 478
- Age
- 1y ago
Newest
by launch date
Nutrex Hawaii Pure Hawaiian Spirulina Powder - Vegan Superfood Farm Grown Non-GMO Immune Support & Cellular Energy 90 Day Supply 9.53 Oz
- Price
- $25.21
- Rating
- 4.6/5
- Reviews
- 6,993
- Age
- 10mo ago

Micro Ingredients Organic Spirulina Chlorella Mini Tablets 2 500 Tablets (8 Month Supply) | 50/50 Algae Blend | No Fillers Non-GMO
- Price
- $26.72
- Rating
- 4.7/5
- Reviews
- 478
- Age
- 1y ago

365 by Whole Foods Market Organic Spirulina Superfood Powder 4 Ounce
- Price
- $12.48
- Rating
- 4.5/5
- Reviews
- 694
- Age
- 3y ago

Carlyle Organic Spirulina Tablets | 3500mg | 500 Count
- Price
- $14.42
- Rating
- 4.6/5
- Reviews
- 1,524
- Age
- 3y ago

Kate Naturals Organic Spirulina Powder for Immune Support and Antioxidants. Nutrient Dense Superfood Supplement (8 oz USDA Certified Non-GMO Gluten- Free)
- Price
- $9.96
- Rating
- 4.5/5
- Reviews
- 5,173
- Age
- 4y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 64% of clicks. Leaders hold, but buyers still shop past them.
Brands
11 falling
Sellers
564
Est. top-5 brand share
78%
Top 20: 100%
Est. top-5 click share
64%
Top 20: 100%
Open market
17%
- Kate Naturals26%
- Micro Ingredients20%
- Zazzee19%
- NOW Foods8%
- Nutrex Hawaii5%
- Incas by Asiya Life5%
- Open — no brand owns it (5 brands, 17%)
Demand
Spirulina search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Spirulina search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- spirulina1.3M/yr
- spirulina powder organic498K/yr
- spirulina powder289K/yr
- espirulina62K/yr
- organic spirulina powder59K/yr
- espirulina organica36K/yr
- organic spirulina42K/yr
- spirulina organic24K/yr
- espirulina en polvo organica pura22K/yr
- spirulina protein19K/yr
Reviews and returns
What reviews say buyers love and hate about Spirulina
We read the reviews and the return reasons for every product selling here.
“taste that is unpleasant to me”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
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









