Kate

Kate Naturals Organic Spirulina Powder for Immune Support and Antioxidants. Nutrient…

Spirulina

4.5/ 5 on Amazon5,063Amazon ratings5,000+bought last month2.7ProductDome score

More reviewed than 77%

Limited evidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology

Best forYou want a certified organic spirulina powder to mix into smoothies or drinks

An 8 ounce USDA certified organic, non-GMO spirulina powder, best suited to buyers comfortable measuring and mixing a powder rather than swallowing a capsule.

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ProductDome scorecard

How it ranks among the 30 spirulina we track

2.7/ 5ProductDome scoreLimited evidence

Owner satisfaction · 56% of scorecategory median 4.6★4.5

4.5★ across 5,063 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 1,030 ratings4.6

5,063 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score5.0

5,000+ bought on Amazon last month.

Data quality · 11% of score1.3

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 30 spirulina we track - how the scorecard works · full spirulina data report. Confidence: limited - incomplete product information.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

Kate Naturals sells this spirulina as a loose 8 ounce powder, USDA certified organic and non-GMO, marketed for immune support and antioxidant content.

With no attribute or description data beyond the title, what's known here comes down to the organic certification and the powder format itself. Spirulina powder needs to be measured and mixed rather than swallowed like a capsule.

8 oz loose spirulina powder
USDA certified organic
Non-GMO
Gluten-free

Who it's for

For anyone who wants a certified organic spirulina powder to blend into smoothies or drinks. Not for buyers who'd rather take spirulina in capsule form and skip measuring powder.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out

USDA certified organic

What to check first

No serving size or dosing guidance listed
Powder requires measuring and mixing, unlike a capsule

Performance notes

As a powder rather than a capsule or tablet, it needs to be measured and stirred or blended into liquid before use. The USDA organic and non-GMO certifications are the main verifiable details available for this listing.

Specifications

Brand	Kate
Model	7068

How it compares

This product against the closest alternatives we track in spirulina.

Product	Amazon rating	Ratings	ProductDome score
Kate Naturals Organic Spirulina Powder for Immune Support and Antioxidants. Nutrient…This product	4.5 / 5	5,063	2.7 / 5
Nutrex Hawaii Pure Hawaiian SpirulinaNutrex	4.6 / 5	10,856	4.5 / 5
Micro Ingredients Organic Spirulina SupplementMicro	4.6 / 5	9,927	4.5 / 5
NOW Foods SupplementsNow	4.6 / 5	8,124	4.5 / 5
Zazzee USDA Organic Spirulina PowderZazzee	4.5 / 5	7,633	4.5 / 5

Frequently asked

Questions about the Kate 7068

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

Is Kate Naturals Spirulina powder organic?

Yes, it carries USDA organic certification.

How much spirulina powder is in the container?

The container holds 8 ounces.

Does Kate Naturals Spirulina come in capsule form?

This listing is for the loose powder, not capsules.