Spirulina
Also known as: Blue-green algae, Arthrospira platensis, Arthrospira maxima
Overview
Nutrient-dense blue-green algae rich in protein, vitamins, minerals, and antioxidants. Supports energy, detox, and immune function.
Frequently Asked About Spirulina
How much Spirulina should I take?
When is the best time to take Spirulina?
Should I take Spirulina with food?
Does Spirulina interact with medications?
What does Spirulina pair well with?
Who should not take Spirulina?
What are the side effects of Spirulina?
Dosage
Safe long-term
General nutrition
Research & Studies
We haven’t curated landmark studies for Spirulinayet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Mechanism of Action
- • Rich in protein (60-70%)
- • Contains phycocyanin antioxidant
- • Provides B vitamins and iron
- • Chlorophyll for detox
Evidence Quality
Good evidence for nutritional support, antioxidant, and immune effects
Safety & Contraindications
- • Source quality critical (contamination risk)
- • Autoimmune conditions (immune stimulation)
- • PKU
- • GI upset initially
- • Detox reactions
Caution - contamination risk
Safe from clean sources
Interactions
- • Immunosuppressants (may counteract)
- • Part of greens blends
- • Mix into smoothies
Stacking & Synergies
Buying Guide
- • Third-party tested
- • Heavy metal certified
- • Clean source
- • Quality sourcing critical
- • Strong taste - tablets easier
Top Products with Spirulina
Highest-scored catalog products containing Spirulina, ranked by our scoring engine.
Browse all Spirulina products →More in Superfood
Other ingredients in the Superfood category.
Cite this page
Formulate Research Team. (2026, June). Spirulina — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/spirulina
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.