Blue Spirulina Powder
- Spirulina
- Powder
- 1
- More reviewed than 60%
A blue-green algae powder with a stated 35% phycocyanin content, useful both as a smoothie additive and a natural food dye, sold as a one month supply.
As an Amazon Associate, ProductDome may earn a commission from qualifying purchases made through links on this page.
How it ranks among the 30 spirulina we track
4.5★ across 1,500 Amazon ratings, Bayesian-smoothed toward the category average.
1,500 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
100+ 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
A powder made from blue-green algae, listed at up to 35% phycocyanin content, sold by Double Wood as a one month supply. It's marketed to mix into smoothies and protein drinks and to double as a plant based food coloring.
Phycocyanin percentage is the spec that separates stronger blue spirulina powders from weaker ones, since it's the pigment responsible for both the supplement's blue color and its use as a natural dye. Because it comes as loose powder rather than capsules, it has to be stirred into a liquid rather than taken on its own.
- Up to 35% phycocyanin content
- Powder form, 1 count container
- Sourced from blue-green algae
- Sold by Double Wood
Who it's for
Works for anyone who wants a mixable powder for smoothies or drinks that also functions as a natural blue food coloring. Less useful for someone who wants a no-mixing capsule format.
Strengths and trade-offs
Drawn from this product's published specifications.
- Doubles as natural food coloring
- Dissolves into smoothies and protein drinks
- One month supply per container
- Powder must be mixed, not swallowed directly
- No flavor is listed on the label
Performance notes
The listed 35% phycocyanin figure is the main potency marker for blue spirulina powders and is also what gives the powder its coloring strength when used as a dye in food or drinks.
Specifications
| Brand | Blue |
|---|---|
| Form | Powder |
| Count | 1 |
Other Blue spirulina
How it compares
This product against the closest alternatives we track in spirulina.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Blue Spirulina PowderThis product | 4.5 / 5 | 1,500 | 4.0 / 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 |
| Kate Naturals Organic Spirulina Powder for Immune Support and Antioxidants. Nutrient…Kate | 4.5 / 5 | 5,063 | 4.5 / 5 |
Similar spirulina from other brands
Questions about the Blue spirulina
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What is the phycocyanin content of Double Wood Blue Spirulina Powder?
Up to 35%, per the listing.
Can this powder be used as food coloring?
Yes, it's marketed as a plant based food coloring in addition to a smoothie additive.
How long does one container last?
It's sold as a one month supply.