Nutrex Hawaii Pure Hawaiian Spirulina
- Spirulina
- Tablet
- 400
- Gluten Free, Halal, Vegan
- More reviewed than 97%
A farm grown, allergen free spirulina tablet that suits people who want a fixed 500mg dose without weighing out powder.
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How it ranks among the 30 spirulina we track
4.6★ across 10,856 Amazon ratings, Bayesian-smoothed toward the category average.
10,856 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
2,000+ bought on Amazon last month.
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: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
Nutrex Hawaii's Pure Hawaiian Spirulina packs 400 tablets of 500mg spirulina grown on the company's own Kona, Hawaii farm. It's built for people adding a whole food algae supplement to a vegan or allergen restricted diet.
What sets this apart from generic spirulina is the growing location and vertical control: Nutrex farms its own spirulina in Kona rather than sourcing bulk powder from elsewhere. The tablet form, rather than powder, suits people who want a fixed 500mg dose without measuring anything out.
- 400 tablets, 500mg each
- Farm grown in Kona, Hawaii
- Vegan and halal certified
- Allergen-free, gluten free
Who it's for
For anyone wanting a vegan, halal and gluten free algae supplement in an easy swallow tablet rather than a loose powder. Skip it if you prefer mixing spirulina into smoothies, since powder gives more dosing flexibility.
Strengths and trade-offs
Drawn from this product's published specifications.
- Grown on Nutrex's own Kona, Hawaii farm
- Vegan, halal and gluten free
- 400 count covers a long supply
- Tablet form requires several tablets per full serving
- No powder option for flexible dosing
Performance notes
Each tablet delivers a fixed 500mg dose, so a meaningful daily intake means taking several tablets rather than a single scoop, unlike powder formats. Because it's grown on one Kona farm rather than blended from multiple suppliers, the batch to batch composition is tied to that single growing environment.
Specifications
| Brand | Nutrex |
|---|---|
| Model | 140015 |
| Form | Tablet |
| Count | 400 |
| Diet | Gluten Free, Halal, Vegan |
| Flavor | 500mg Tablets |
| Allergens | Allergen-Free, Gluten Free |
Other Nutrex spirulina
How it compares
This product against the closest alternatives we track in spirulina.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Nutrex Hawaii Pure Hawaiian SpirulinaThis product | 4.6 / 5 | 10,856 | 4.4 / 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 |
| Kate Naturals Organic Spirulina Powder for Immune Support and Antioxidants. Nutrient…Kate | 4.5 / 5 | 5,063 | 4.5 / 5 |
| Zazzee USDA Organic Spirulina PowderZazzee | 4.5 / 5 | 7,633 | 4.5 / 5 |
Similar spirulina from other brands
Questions about the Nutrex 140015
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Where is Nutrex Hawaii spirulina grown?
It's farm grown in Kona, Hawaii.
Is Nutrex Pure Hawaiian Spirulina vegan?
Yes, it's labeled vegan, halal and gluten free.
How many tablets come in the 400 count bottle?
The bottle contains 400 tablets at 500mg per tablet.