Spirulina Capsules Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Spirulina Capsules sales on Amazon US totaled 44,300 units in July 2026 (▼ 2.9% vs. the prior month), generating an estimated $1,124,173 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 51.9% of unit volume and 47.3% of revenue, while a typical listing is priced at $26.94. The keyword itself pulled 14,143 Amazon queries over the same period (▲ 2.1% MoM).
Zooming out to the 12-month window ending July 2026, the spirulina capsules Top 50 moved 576,700 units and $14,466,179 in cumulative sales — an average of 48,058 units and $1,205,515 per month. Monthly throughput topped out at 54,400 units in August 2025 and dipped to 28,800 in May 2026, leaving the latest reading 18.6% lower than August 2025.
Spirulina Capsules 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
44.3K
▼ 2.9% MoM
Monthly Revenue 2026/07
$1.1M
▼ 1.6% MoM
Top 10 Market Share 2026/07
51.9%
Spirulina Capsules Market Share & Sales Concentration on Amazon US — July 2026
The most-sold spirulina capsules listing on Amazon US in July 2026 is ASIN B09HLDRNVB (Brand: Kate Naturals), which sold 5,000 units at $9.99 apiece — equal to 11.3% of every unit tracked in this report and 25% ahead of the No. 2 listing.
The Top 10 ASINs account for 23,000 units and $531,440 in July 2026 — 51.9% of unit volume and 47.3% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Spirulina Capsules' on Amazon
July 2026
Is 51.9% 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
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
B01MT2VPRC
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, Neutral Taste, Non-GMO, Made in USA
2K
▲ 0.0%vs. prior month
$79.9K
latest month
12-month trend
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Best Spirulina Capsules Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Micro Ingredients is the best-performing spirulina capsules brand in July 2026, moving 6,000 units across 2 ASINs for 26.1% of Top 10 volume. Kate Naturals follows with 5,000 units (21.7%), ahead of Nutrex Hawaii on 3,000 units (13.0%).
With 8 brands splitting the Top 10 and 60.9% 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 $28.49, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Micro Ingredients
2 ASINs in Top 10
26.1%
Units
6K
Revenue
$171.7K
Avg. price
$26.45
B01DPW5JSW
$26.95·★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
21.7%
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
Nutrex Hawaii
2 ASINs in Top 10
13.0%
Units
3K
Revenue
$86.9K
Avg. price
$28.49
B0039ITKSI
$28.99·★4.6·10.9K revsNutrex 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
Units sold2KB0FSTJMJFT
$27.99·★4.6·7K revsNutrex 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
Units sold1K
Trending Spirulina Capsules 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, one ASIN forced its way in: B0FSTJMJFT booked 1K units at $27.99, with ▲ 0.0% MoM change. On the growth side, B0C5N7WMJF leads positive momentum with ▲ 100.0% MoM growth on 2K units, with B0DJDNTY11 close behind at ▲ 100.0% MoM on 2K 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.
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
B0C5N7WMJF
Carlyle Organic Spirulina Tablets | 3500mg | 500 Count | Vegetarian, Non-GMO & Gluten Free Supplement
Price
$15.99
Rating
4.5
Reviews
1.6K
Latest month sales
B0DJDNTY11
Clean Nutra Chlorophyll Capsules Supplement Internal Deodorant Peppermint, Sea Moss, Parsley, Chlorella, Spirulina, Slippery Elm, Ashwagandha, PhytoFresh Greens Detox Pills
Unlock to view ASIN details and product titles
Price
$29.95
Rating
4.5
Reviews
568
Latest month sales
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