Chlorella
Commonly used for
Metabolic HealthNutrition
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The cheapest product is usually low quality, but more expensive doesn’t always mean better.
What is it? / Overview
Wellness uses some people report: heavy metal detox support. This is anecdotal, and there isn't strong clinical evidence that it works for everyone. Chlorella is a freshwater algae rich in protein, carotenoids, and micronutrients. Human studies suggest small improvements in lipid metabolism and antioxidant status, though evidence is less consistent than for spirulina.
How is it used? / Administration
Form: Broken-cell-wall Chlorella vulgaris or pyrenoidosa
Typical dose studied: 3–10 g/day
Timing: With meals
Broken-cell-wall formulations improve digestibility. Quality testing important — algae can accumulate contaminants.
How well does it work? / Evidence
? Emerging / limited evidence
Who should avoid it?
Avoid with: Organ transplant (on immunosuppression)
Interacts with: Warfarin — vitamin K content may interfere; Immunosuppressants
Already taking it? Monitor total vitamin K intake if taking anticoagulants.
Research & references
Merchant RE, Andre CA. (2001). Clinical trials of Chlorella pyrenoidosa review. Alternative Therapies in Health and Medicine. Limijadi EKS et al. (2025). Chlorella and spirulina for cardiovascular risk meta-analysis. Nutrients. Kazeminejad S et al. (2025). Algae supplementation and anthropometric indices meta-analysis. Nutrition Reviews.
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