Spirulina
Spirulina is a nutrient-dense blue-green algae (technically a cyanobacteria) used as a food supplement. It provides protein, pigments like phycocyanin, and minerals. Quality matters a lot—contamination is the main risk—so choose reputable testing and sourcing.
Key Benefits
- Nutrient-dense supplement that supports overall nutrition and protein intake
- Provides antioxidant pigments (phycocyanin) that support overall wellness
- May support healthy lipid patterns as part of diet and lifestyle
- Often used for energy support when overall diet is lacking
Common Issues It May Help With
- Low nutrient intake
- Low protein intake (dietary support)
- General fatigue (nutritional support)
- Wellness support
How To Use (Simple)
- Powder: start with 1/2 tsp daily and increase gradually
- mix into smoothies or water. Tablets/capsules: follow label directions. Take with food if it causes nausea. Choose third-party tested products to reduce contamination risk.
Taste / Notes
Oceanic/‘green’ and earthy; noticeable in smoothies unless masked with cocoa or berries.
Evidence Level
Moderate evidence for some cardiometabolic markers and antioxidant effects; outcomes depend on dose, duration, and product quality.
Cautions
Buy reputable, tested spirulina—poor quality products can be contaminated. Use caution if you have autoimmune conditions. If you have phenylketonuria (PKU), check labels. Stop if you develop rash, itching, or severe GI upset.
Interactions
Use caution with immunosuppressant medications (theoretical immune-modulating effects) May modestly affect blood sugar or lipids—monitor if on related medications If taking anticoagulants, discuss high-dose algae supplements with a clinician (some products vary in vitamin K content)
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