Evidence supporting the use of: Chlorella
For the health condition: Poisoning (general)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Chlorella, a type of freshwater green algae, has been investigated for its potential to support detoxification and treatment of poisoning, particularly due to its ability to bind heavy metals and other toxins. Scientific studies, though primarily preclinical or small-scale human trials, suggest that chlorella can reduce the absorption and enhance the excretion of certain heavy metals such as cadmium, lead, and mercury. Animal studies have shown that chlorella supplementation may decrease the accumulation of these toxic metals in tissues and organs, possibly by binding them in the gut and preventing their absorption. Limited human studies have indicated that chlorella may help increase the elimination of dioxins and polychlorinated dibenzodioxins (PCDDs) in breast milk and may reduce the body burden of persistent organic pollutants.

However, the overall quality of human evidence remains low, with most studies involving small sample sizes, short durations, or lacking control groups. There is some traditional use of chlorella as a “detoxifier,” but the scientific basis for its use in general poisoning beyond heavy metal exposure is not robust. Chlorella is not a substitute for standard medical treatment in cases of acute poisoning. In summary, while there is emerging scientific evidence supporting chlorella’s role in binding and promoting the excretion of certain toxins, more rigorous clinical trials are needed to confirm its efficacy and safety for this use. The current evidence supports a rating of 2 out of 5.

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