Spirulina
Superfood
Also known as: Blue-green algae, Arthrospira platensis, Arthrospira maxima
B
Grade B💊 1-3g daily🎯 5 primary uses🔗 2 synergies⚠️ Review warnings
Levels upNutrition+50 pts
Overview
Nutrient-dense blue-green algae rich in protein, vitamins, minerals, and antioxidants. Supports energy, detox, and immune function.
Primary Uses
Nutritional supportEnergyDetoxificationAntioxidantImmune support
Frequently Asked About Spirulina
How much Spirulina should I take?
The typical effective range is 1-3g daily. Individual needs vary based on age, body weight, diet, and goals — start at the lower end and adjust based on response. Always consult a healthcare provider before starting a new supplement.
When is the best time to take Spirulina?
Any time. Consistency matters more than perfect timing — pick a daily anchor (e.g. with breakfast or before bed) and stick with it.
Should I take Spirulina with food?
Optional.
Does Spirulina interact with medications?
Yes — known interactions include Immunosuppressants (may counteract). If you take any prescription medication, talk to your doctor or pharmacist before starting Spirulina.
What does Spirulina pair well with?
Spirulina stacks well with Chlorella and Other greens — these combinations either improve absorption or work synergistically toward common goals.
Who should not take Spirulina?
Spirulina should be avoided or used with caution by people with Autoimmune conditions (immune stimulation) and PKU. Pregnant or breastfeeding women should consult a healthcare provider before use.
What are the side effects of Spirulina?
Most people tolerate Spirulina well. The most commonly reported side effects are GI upset initially and Detox reactions. Side effects are usually dose-dependent — lowering the dose often resolves them.
Dosage
Typical range
1-3g daily
Timing
Any time
With food
Optional
Duration
Safe long-term
Special Populations
General nutrition
Research & Studies
Search the literature now
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
Evidence Grade B
Good evidence for nutritional support, antioxidant, and immune effects
Safety & Contraindications
Serious Warnings
- • Source quality critical (contamination risk)
Contraindications
- • Autoimmune conditions (immune stimulation)
- • PKU
Common Side Effects
- • GI upset initially
- • Detox reactions
Pregnancy & Breastfeeding
Caution - contamination risk
Liver & Kidney Notes
Safe from clean sources
Interactions
💊 Medications
- • Immunosuppressants (may counteract)
🧪 Supplements
- • Part of greens blends
🍽️ Food & Alcohol
- • Mix into smoothies
Stacking & Synergies
Pairs Well With
Chlorella ↗Other greens
Avoid Combining With
Immunosuppressants
Best Goal Synergies
EnergyDetoxNutrition
Buying Guide
What to Look For
- • Third-party tested
- • Heavy metal certified
- • Clean source
Standardization Markers
Purity testedHeavy metal testing
Adulteration risk
High - contamination
Practical Notes
- • Quality sourcing critical
- • Strong taste - tablets easier
Tags
superfoodalgaeproteinantioxidantdetox
Top Products with Spirulina
Highest-scored catalog products containing Spirulina, ranked by our scoring engine.
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More in Superfood
Other ingredients in the Superfood category.
Chlorella
Chlorella is a nutrient-dense freshwater green algae containing protein, B vitamins, minerals, and chlorophyll. Evidence for specific health benefits remains limited, though it may support detoxification and overall nutritional intake.
Moringa (Drumstick Tree)
Moringa oleifera leaf is a nutrient-dense plant source containing vitamins, minerals, and polyphenols traditionally used in Ayurvedic and African medicine. Limited clinical evidence exists for specific health claims, though the whole plant contains bioactive compounds with antioxidant and anti-inflammatory properties in vitro.
Sea Buckthorn
Nutrient-rich berry and seed oil from hardy shrub. Contains rare omega-7 plus omegas 3, 6, 9. Supports skin, mucous membranes, and cardiovascular health.
Last reviewed: September 2026 by the Formulate Research Team. Sources cited above; methodology and scoring criteria published here.
Cite this page
Formulate Research Team. (2026, September). 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.