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Turkey Tail Mushroom for Immune Aging (Immunosenescence)

C

Phase I dose-escalation trial found 6-9 g/day of turkey tail extract significantly increased CD8+ T cells and CD19+ B cells. Approved as an adjunctive cancer therapy in Japan for decades, supporting its immunomodulatory profile.

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The Bottom Line

            
            
Phase I dose-escalation trial found 6-9 g/day of turkey tail extract significantly increased CD8+ T cells and CD19+ B cells. Approved as an adjunctive cancer therapy in Japan for decades, supporting its immunomodulatory profile.

            
            
        

    










    

  
Key Study Findings





    

        
        

            

                
                    Review
                
                
                
                
            

            
                Anti-Cancer Potential of Edible/Medicinal Mushrooms in Breast Cancer.
            
            

                
                Dose: Edible/medicinal mushroom extracts
                
                
                vs: None
                
                
                Outcome: Anti-cancer activity in breast cancer
                
                
                Effect: None
                
                
                None
                
            

            
            
Population: Breast cancer (in vitro/animal review)

            
        

        
    







    
    

        
        

            

  
Key Statistics





            


    

        
3

        
Studies

    

    

        
100

        
Participants

    

    

        
            
            ↑
            
        
        
Positive

    

    

        C

        
Grade

    




        


        
        
        

            

  
Referenced Papers





            

                
                

                    

                        
                            Anti-Cancer Potential of Edible/Medicinal Mushrooms in Breast Cancer.
                        
                        
                            
                                Review
                            
                            
                            
                        
                    

                    

                        International journal of …
                        2023
                        
                        40 citations
                        
                    

                

                
            

        

        

        
        
        

            

  
Dosage & Usage





            
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units


            
            

                
Commonly Used Dosages

                

                    
                    

                        
general:

                        
1-3 g/day

                    

                    
                    

                        
clinical:

                        
3-9 g/day PSK/PSP extract

                    

                    
                

                
                

                    Upper limit: No established UL
                

                
            

            

            
            

                
Dosages Studied in Research

                

                    

                        
                            

                                Dosage
                                Duration
                                Effect
                                N
                            

                        
                        
                            
                            

                                Edible/medicinal mushroom extracts
                                --
                                
                                    
                                    Positive
                                    
                                
                                --
                            

                            
                        
                    

                

            

            

            
            

                Best taken: With or without food
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Reported Side Effects

                    
    
                        
                        
  • 
                            ⚠
                            Gastrointestinal symptoms (bloating, gas, dark stools)
                        
    • 
                        
                        
  • 
                            ⚠
                            Nail darkening (rare)
                        
    • 
                        
                        
  • 
                            ⚠
                            Allergic reactions (rare)
                        
    • 
                        
                    

                

                

                
                

                    
Known Interactions

                    
    
                        
                        
  • 
                            ●
                            Immunosuppressant medications (may counteract immunosuppression)
                        
    • 
                        
                        
  • 
                            ●
                            Cyclophosphamide (may enhance or modify effects)
                        
    • 
                        
                        
  • 
                            ●
                            Tamoxifen (theoretical interaction)
                        
    • 
                        
                    

                

                

                
                

                    

                        Tolerable upper intake: No established UL
                    

                

                
            

            

                Always consult your healthcare provider before starting any supplement.
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Turkey Tail Mushroom help with Immune Aging (Immunosenescence)?
            
        
        

            Based on 3 studies with 100 participants, there is limited but promising evidence that Turkey Tail Mushroom may support Immune Aging (Immunosenescence) management. Our evidence grade is C (Some Evidence).
        

    

    
    

        
            How much Turkey Tail Mushroom should I take for Immune Aging (Immunosenescence)?
            
        
        

            Studies have used various dosages. A commonly studied range is 1-3 g/day. Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Turkey Tail Mushroom?
            
        
        

            Reported side effects may include Gastrointestinal symptoms (bloating, gas, dark stools), Nail darkening (rare), Allergic reactions (rare). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for Turkey Tail Mushroom and Immune Aging (Immunosenescence)?
            
        
        

            We rate the evidence as Grade C (Some Evidence). This rating is based on 3 peer-reviewed studies with 100 total participants. The overall direction of effect is positive.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                
                

                
            

        

        

    


    
    












    

        FDA Disclaimer:
        These statements have not been evaluated by the Food and Drug Administration. The products and information on this website are not intended to diagnose, treat, cure, or prevent any disease. The evidence grades presented are based on our analysis of published peer-reviewed research and do not constitute medical advice. Always consult your healthcare provider before starting any supplement regimen.