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WeightCited

Raspberry Ketones for Obesity

D

No published human clinical trials exist as of 2025. All evidence comes from in vitro cell studies and rodent models using doses 100-300x higher than achievable through oral supplementation. Despite massive consumer popularity, this is one of the least evidence-supported weight management supplements.

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The Bottom Line

            
            
No published human clinical trials exist as of 2025. All evidence comes from in vitro cell studies and rodent models using doses 100-300x higher than achievable through oral supplementation. Despite massive consumer popularity, this is one of the least evidence-supported weight management supplements.

            
            
        

    











    
    

        
        

            

  
Key Statistics





            


    

        
0

        
Studies

    

    

        
--

        
Participants

    

    

        
            
            ↔
            
        
        
Mixed

    

    

        D

        
Grade

    




        


        
        

        
        
        

            

  
Dosage & Usage





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


            
            

                
Commonly Used Dosages

                

                    
                    

                        
note:

                        
No established effective dose in humans

                    

                    
                    

                        
general:

                        
100-400 mg/day (marketed dose; no clinical basis)

                    

                    
                

                
                

                    Upper limit: No established UL; safety data virtually absent in humans
                

                
            

            

            

            
            

                Best taken: As marketed; no clinical basis
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Reported Side Effects

                    
    
                        
                        
  • 
                            ⚠
                            Unknown (no human clinical trials)
                        
    • 
                        
                        
  • 
                            ⚠
                            Jitteriness (anecdotal)
                        
    • 
                        
                        
  • 
                            ⚠
                            Increased heart rate (anecdotal)
                        
    • 
                        
                    

                

                

                
                

                    
Known Interactions

                    
    
                        
                        
  • 
                            ●
                            Stimulants (theoretical — structurally similar to synephrine)
                        
    • 
                        
                        
  • 
                            ●
                            Blood thinners (theoretical)
                        
    • 
                        
                    

                

                

                
                

                    

                        Tolerable upper intake: No established UL; safety data virtually absent in humans
                    

                

                
            

            

                Always consult your healthcare provider before starting any supplement.
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Raspberry Ketones help with Obesity?
            
        
        

            Based on 0 studies with 0 participants, there is preliminary evidence that needs more research that Raspberry Ketones may support Obesity management. Our evidence grade is D (Very Early Research).
        

    

    
    

        
            How much Raspberry Ketones should I take for Obesity?
            
        
        

            Studies have used various dosages. A commonly studied range is No established effective dose in humans. Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Raspberry Ketones?
            
        
        

            Reported side effects may include Unknown (no human clinical trials), Jitteriness (anecdotal), Increased heart rate (anecdotal). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for Raspberry Ketones and Obesity?
            
        
        

            We rate the evidence as Grade D (Very Early Research). This rating is based on 0 peer-reviewed studies with 0 total participants. The overall direction of effect is mixed.
        

    

    




        

        

        
        
        

            

  
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.