Formulation comparison

Spirulina products compared

Compare tablet strengths and container counts without treating a superfood description as a measured nutrient profile.

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Nutrex Hawaii Spirulina 500 mg

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$32.99New
Last checked Price details

Item price · tax & shipping not included.

Seller at last check: Nutrex Hawaii

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.

Nutrex Hawaii Spirulina 500 mg

Tablet

Current Amazon listing details are unavailable.

Product details and source →
Formulation & considerations

The archived product record for B0039ITKSI identifies this preparation. The source title identifies 500 mg spirulina tablets in a 400-count pack.

Why choose it: Nutrex Hawaii Spirulina 500 mg pairs a tablet format with a 400 tablets pack. A ready-to-take format keeps preparation simple, with no powder to mix or liquid to measure.

Consider: Match the complete ingredient list and serving size to your needs. Check the current listing and package for your selected variant.

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Earthrise Spirulina 500 mg

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$31.97New
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Item price · tax & shipping not included.

Seller at last check: Earthrise Superfood California Grown Spirulina

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.

Earthrise Spirulina 500 mg

Tablet

Current Amazon listing details are unavailable.

Product details and source →
Formulation & considerations

The archived product record for B0DLD561RR identifies this preparation. The source title identifies 500 mg tablets and a 360-count pack.

Why choose it: Earthrise Spirulina 500 mg pairs a tablet format with a 360 tablets pack. A ready-to-take format keeps preparation simple, with no powder to mix or liquid to measure.

Consider: Match the complete ingredient list and serving size to your needs. Check the current listing and package for your selected variant.

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NOW Spirulina 500 mg

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$17.99List $37.9953% at last checkSave $20.00New
Last checked Price details

Item price · tax & shipping not included.

Seller at last check: Amazon.com

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.

NOW Spirulina 500 mg

Tablet

Current Amazon listing details are unavailable.

Product details and source →
Formulation & considerations

The archived product record for B000MGSHXE identifies this preparation. The source title identifies the 500 mg product in a 500-tablet pack.

Why choose it: NOW Spirulina 500 mg pairs a tablet format with a 500 tablets pack. A ready-to-take format keeps preparation simple, with no powder to mix or liquid to measure.

Consider: Match the complete ingredient list and serving size to your needs. Check the current listing and package for your selected variant.

We may earn a commission if you buy through this link. Disclosure.

How to use this comparison

This comparison follows three exact ASIN records from the existing source catalog. It compares recorded identity and format, not current availability or therapeutic performance. Compare tablet strengths and container counts without treating a superfood description as a measured nutrient profile.

Choosing with confidence

These are archived product identities. Current labels, permitted images and retailer destinations remain unverified. Conflicting summary fields have not been used to invent serving amounts or efficacy claims.

Sources and related reading

Read the ingredient evidence · Our methodology