Algae & Superfoods
Spirulina
Arthrospira platensis · Luó Xuán Zǎo Cooling
Spirulina is a blue-green microalgae sold as a deep-green powder or tablet. Gram for gram it is extraordinarily nutrient-dense: mostly complete protein by dry weight, with bioavailable iron, B vitamins and its signature pigment phycocyanin.
Nutrition Highlights
- ✓Around 60% protein by dry weight
- ✓Contains the blue pigment phycocyanin
- ✓Source of highly bioavailable iron
- ✓Provides gamma-linolenic acid (GLA)
Everyday Food Uses
- ●A teaspoon blended into smoothies
- ●Stirred into juice with lemon or pineapple
- ●Mixed into energy balls with cacao
- ●Whisked into salad dressings and dips
How to Enjoy
2–5g powder daily (about 1 teaspoon). Start with 1g. Buy third-party-tested spirulina to avoid contaminants.
Modern Research
Phycocyanin shows antioxidant and anti-inflammatory activity in vitro, and trials link spirulina supplementation with improvements in allergic rhinitis symptoms, exercise endurance and lipid markers.
⚠ Cautions
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Frequently Asked Questions
What is Spirulina? +
Spirulina is a blue-green microalgae sold as a deep-green powder or tablet. Gram for gram it is extraordinarily nutrient-dense: mostly complete protein by dry weight, with bioavailable iron, B vitamins and its signature pigment phycocyanin.
Spirulina How do I eat? +
2–5g powder daily (about 1 teaspoon). Start with 1g. Buy third-party-tested spirulina to avoid contaminants.
Are there cautions for Spirulina? +
Buy certified, contaminant-tested products. Avoid with phenylketonuria or certain autoimmune conditions; consult a professional if on medication.
Where can I buy Spirulina? +
Browse the related products on this page — packed fresh and shipped worldwide with tracking.