Chaga by Host Defense Mushrooms

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Cardiovascular disease (CVD). Although there is interest in using oral chaga for CVD, there is insufficient reliable information about the clinical effects of chaga for this condition.
• Coronavirus disease 2019 (COVID-19). Although there has been interest in using oral chaga for COVID-19, there is insufficient reliable information about the clinical effects of chaga for this purpose.
• Diabetes. Although there is interest in using oral chaga for diabetes, there is insufficient reliable information about the clinical effects of chaga for this condition. More evidence is needed to rate chaga for these uses.

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There is insufficient reliable information available about the safety of chaga.

PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.

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ANTICOAGULANT/ANTIPLATELET DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, chaga may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.  Details In vitro and animal research suggests that chaga extract can inhibit platelet aggregation (26260). This effect has not been reported in humans.

ANTIDIABETES DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, taking chaga with antidiabetes drugs might increase the risk of hypoglycemia.  Details Animal research suggests that chaga might decrease blood glucose levels and increase insulin levels (26253,111924,111925,111927). This has not been reported in humans.

IMMUNOSUPPRESSANTS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, chaga might interfere with immunosuppressive therapy.  Details In vitro research suggests that certain constituents of chaga stimulate immune function (26263). This has not been reported in humans.

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General ...There is limited reliable information available regarding the adverse effects of chaga.

Renal ...Orally, there have been two cases of kidney failure and one case of acute nephropathy related to excessive chaga consumption, which contains high concentrations of oxalate (96566,105246,108756).

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