Gut & FiberNo.059
Spirulina
Protein, antioxidants (blue-green algae).
Typical / RDA1–3 g
Upper limitQuality-dependent
EvidenceLimited
How to take it
Timing With a mealFood OptionalForm Powder / tablet
What to know
A nutrient-dense algae marketed as a "superfood." Real but modest nutrient content; the main risk is contamination from low-quality sources — buy tested brands.
Interactions & cautions
- Unregulated sources can contain toxins/heavy metals — choose tested products.
Do you actually need it?
Nutritious but pricey per gram; quality sourcing matters.
Reference values: NIH Office of Dietary Supplements, adult general population. Educational information only — not medical advice. Confirm with a healthcare professional.