Spirulina Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Spirulina sales on Amazon US totaled 49,300 units in July 2026 (▼ 6.1% vs. the prior month), generating an estimated $1,232,157 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 50.7% of unit volume and 42.4% of revenue, while a typical listing is priced at $27.56. The keyword itself pulled 90,120 Amazon queries over the same period (▼ 2.2% MoM).
Zooming out to the 12-month window ending July 2026, the spirulina Top 50 moved 611,200 units and $15,730,731 in cumulative sales — an average of 50,933 units and $1,310,894 per month. Monthly throughput topped out at 58,500 units in August 2025 and dipped to 31,500 in May 2026, leaving the latest reading 15.7% lower than August 2025.
Spirulina Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
49.3K
▼ 6.1% MoM
Monthly Revenue 2026/07
$1.2M
▼ 6.0% MoM
Top 10 Market Share 2026/07
50.7%
Spirulina Market Share & Sales Concentration on Amazon US — July 2026
The most-sold spirulina listing on Amazon US in July 2026 is ASIN B09HLDRNVB (Brand: Kate Naturals), which sold 5,000 units at $9.99 apiece — equal to 10.1% of every unit tracked in this report and 25% ahead of the No. 2 listing.
The Top 10 ASINs account for 25,000 units and $522,560 in July 2026 — 50.7% of unit volume and 42.4% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Spirulina' on Amazon
July 2026
Is 50.7% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B09HLDRNVB
Kate Naturals Organic Spirulina Powder, Nutrient Dense Superfood (8oz) | USDA Certified, Non-GMO, Gluten- Free
5K
▲ 0.0%vs. prior month
$47.7K
latest month
12-month trend
B01DPW5JSW
Micro Ingredients Organic Spirulina Chlorella Tablets, 720 Count | 4 Month Supply. 50/50 Algae Blend, Broken Cell Wall, Sunlight Grown. Contains Vegan Protein & Naturally Occurring Chlorophyll
4K
▲ 0.0%vs. prior month
$119.8K
latest month
12-month trend
B08YRDBFFX
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)
4K
▲ 0.0%vs. prior month
$68K
latest month
12-month trend
B0039ITKSI
Nutrex Hawaii Pure Hawaiian Spirulina Tablets, Vegan, 500 mg, 400 Count | Spirulina Farm Grown in Kona, Hawaii, Non-GMO, Glyphosate Residue Free, 3rd Party Tested, 60% Protein, Superfood Supplement
2K
▲ 0.0%vs. prior month
$60.9K
latest month
12-month trend
B00HCBN674
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
2K
▲ 0.0%vs. prior month
$26.9K
latest month
12-month trend
B01DPW5DC4
Micro Ingredients Organic Spirulina Supplement, 720 Tablets (4 Month Supply), No Filler & Non-GMO, Rich in Vegan Protein, Vitamins & Prebiotics, Premium Spirulina Pills
2K
▲ 0.0%vs. prior month
$51.9K
latest month
12-month trend
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Best Spirulina Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Micro Ingredients is the best-performing spirulina brand in July 2026, moving 6,000 units across 2 ASINs for 24.0% of Top 10 volume. Kate Naturals follows with 5,000 units (20.0%), ahead of Incas by Asiya Life on 4,000 units (16.0%).
With 8 brands splitting the Top 10 and 60.0% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $9.99 to $27.95, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Micro Ingredients
2 ASINs in Top 10
24.0%
Units
6K
Revenue
$171.7K
Avg. price
$27.95
B01DPW5JSW
$29.95·★4.6·9.3K revsMicro Ingredients Organic Spirulina Chlorella Tablets, 720 Count | 4 Month Supply. 50/50 Algae Blend, Broken Cell Wall, Sunlight Grown. Contains Vegan Protein & Naturally Occurring Chlorophyll
Units sold4KB01DPW5DC4
$25.95·★4.6·10K revsMicro Ingredients Organic Spirulina Supplement, 720 Tablets (4 Month Supply), No Filler & Non-GMO, Rich in Vegan Protein, Vitamins & Prebiotics, Premium Spirulina Pills
Units sold2K
Kate Naturals
1 ASIN in Top 10
20.0%
Units
5K
Revenue
$47.7K
Avg. price
$9.99
B09HLDRNVB
$9.99·★4.5·5.3K revsKate Naturals Organic Spirulina Powder, Nutrient Dense Superfood (8oz) | USDA Certified, Non-GMO, Gluten- Free
Units sold5K
Incas by Asiya Life
1 ASIN in Top 10
16.0%
Units
4K
Revenue
$68K
Avg. price
$15.29
B08YRDBFFX
$15.29·★4.6·1.2K revsUSDA 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)
Units sold4K
Trending Spirulina Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, 2 ASINs forced its way in: B0C5N7WMJF booked 2K units at $15.99, with ▲ 100.0% MoM change. On the growth side, B00XV4SNJ2 leads positive momentum with ▲ 50.0% MoM growth on 600 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0C5N7WMJF
Carlyle Organic Spirulina Tablets | 3500mg | 500 Count | Vegetarian, Non-GMO & Gluten Free Supplement
Price
$15.99
Rating
4.6
Reviews
1.6K
Latest month sales
B0FSTJMJFT
Nutrex Hawaii Pure Hawaiian Spirulina Powder, Vegan, Non-GMO, 9.53 oz | Spirulina Farm Grown in Kona, Hawaii, Non-GMO, Glyphosate Residue Free, 3rd Party Tested, 60% Protein, Superfood Supplement
Price
$27.99
Rating
4.6
Reviews
7K
Latest month sales
B00XV4SNJ2
Organic Spirulina Powder – Made with Parry® Spirulina, Known for Superior Purity and Nutrient Density – Vegan Farming – Non-Irradiated – Blue-Green Algae Superfood Supplement – 75 Servings – 8 oz
Unlock to view ASIN details and product titles
Price
$26.95
Rating
4.6
Reviews
3.4K
Latest month sales
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