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Green Coffee Bean Extract ： Overweight Management

D

Meta-analysis of 5 RCTs (n=142) found 2.47 kg weight loss, but all studies were of poor methodological quality. A retracted 2012 study inflated initial enthusiasm. Post-retraction reviews suggest modest effects, but high-quality evidence remains lacking.

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            D

        

        

            
結論

            
            
Meta-analysis of 5 RCTs (n=142) found 2.47 kg weight loss, but all studies were of poor methodological quality. A retracted 2012 study inflated initial enthusiasm. Post-retraction reviews suggest modest effects, but high-quality evidence remains lacking.

            
            
        

    











    
    

        
        

            

  
Key Statistics





            


    

        
5

        
研究数

    

    

        
142

        
参加者数

    

    

        
            
            ↑
            
        
        
Positive

    

    

        D

        
グレード

    




        


        
        

        
        
        

            

  
Dosage & Usage





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


            
            

                
一般的な使用量

                

                    
                    

                        
general:

                        
200-400 mg/day standardized to 45-50% chlorogenic acid

                    

                    
                    

                        
weightmanagement:

                        
400-800 mg CGA/day

                    

                    
                

                
                

                    上限量： No established UL; caffeine content varies (typically 10-30 mg per capsule)
                

                
            

            

            

            
            

                推奨摂取タイミング： 30 minutes before meals
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
報告されている副作用

                    
    
                        
                        
  • 
                            ⚠
                            Insomnia (caffeine content)
                        
    • 
                        
                        
  • 
                            ⚠
                            Anxiety
                        
    • 
                        
                        
  • 
                            ⚠
                            Headache
                        
    • 
                        
                        
  • 
                            ⚠
                            GI discomfort
                        
    • 
                        
                    

                

                

                
                

                    
既知の相互作用

                    
    
                        
                        
  • 
                            ●
                            Diabetes medications (may lower blood sugar)
                        
    • 
                        
                        
  • 
                            ●
                            Other caffeine sources (additive effects)
                        
    • 
                        
                        
  • 
                            ●
                            Blood pressure medications
                        
    • 
                        
                    

                

                

                
                

                    

                        耐容上限摂取量： No established UL; caffeine content varies (typically 10-30 mg per capsule)
                    

                

                
            

            

                サプリメントの摂取を開始する前に、必ず医療専門家にご相談ください。
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Green Coffee Bean Extract help with Overweight Management?
            
        
        

            Based on 5 studies with 142 participants, there is preliminary evidence that needs more research that Green Coffee Bean Extract may support Overweight Management management. Our evidence grade is D (Very Early Research).
        

    

    
    

        
            How much Green Coffee Bean Extract should I take for Overweight Management?
            
        
        

            Studies have used various dosages. A commonly studied range is 200-400 mg/day standardized to 45-50% chlorogenic acid. Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Green Coffee Bean Extract?
            
        
        

            Reported side effects may include Insomnia (caffeine content), Anxiety, Headache, GI discomfort. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for Green Coffee Bean Extract and Overweight Management?
            
        
        

            We rate the evidence as Grade D (Very Early Research). This rating is based on 5 peer-reviewed studies with 142 total participants. The overall direction of effect is positive.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                
                

                
            

        

        

    


    
    












    

        FDAに関する免責事項:
        これらの記述は米国食品医薬品局（FDA）による評価を受けていません。本ウェブサイトの製品および情報は、疾病の診断、治療、治癒、または予防を目的としたものではありません。表示されているエビデンスグレードは、公開された査読済み研究の分析に基づいており、医療上の助言を構成するものではありません。サプリメントの摂取を開始する前に、必ず医療専門家にご相談ください。