Spirulina is a type of blue-green algae that belongs to the class of cyanobacteria, found naturally in freshwater and saltwater environments. It has gained popularity as a dietary supplement due to its dense nutritional profile, rich in proteins, vitamins, and minerals. The most studied health effects of spirulina include its potential to boost the immune system, reduce inflammation, and improve lipid and glucose metabolism. Some research indicates that spirulina may enhance antioxidant capacity

How many studies on Spirulina are available?

NutriVouch references 149 human studies on Spirulina, all peer-reviewed and indexed on PubMed.

Is Spirulina effective for Antioxidant Protection?

For Antioxidant Protection, Spirulina has an effectiveness score of 5/10 — moderate evidence — works in some populations. Based on 14 relevant studies.

Is Spirulina effective for Cholesterol Management?

For Cholesterol Management, Spirulina has an effectiveness score of 5/10 — moderate evidence — works in some populations. Based on 12 relevant studies.

Is Spirulina effective for Weight Management?

For Weight Management, Spirulina has an effectiveness score of 4/10 — weak or limited clinical evidence. Based on 28 relevant studies.

Is Spirulina effective for Immune Support?

For Immune Support, Spirulina has an effectiveness score of 4/10 — weak or limited clinical evidence. Based on 22 relevant studies.

Is Spirulina effective for Heart Health?

For Heart Health, Spirulina has an effectiveness score of 4/10 — weak or limited clinical evidence. Based on 13 relevant studies.

Confidence level

Moderate evidence

149 studies

Spirulina

Absorption

✦Can be taken with or without food. No significant absorption interactions known.

Daily Dose

⚖

Common dose: 1-3 grams per day

RDA: No official RDA established

Upper limit: Not established

Best form: Powder or tablet form

Timing: Can be taken with or without food

Spirulina is rich in nutrients like protein, vitamins, and minerals. Consult a healthcare provider for potential interactions with medications or conditions such as phenylketonuria (PKU).

Effects

🍇 Antioxidant Protection

5.014 studies›

📉 Cholesterol Management