Skip to main content
WeightCited

5-HTP for Emotional Eating

C Some Evidence Limited evidence from small studies, but some positive signals exist.

As a serotonin precursor, 5-HTP may reduce emotional and stress-driven eating through modulation of hypothalamic satiety centers and reward pathways. Pilot studies show reduced carbohydrate cravings. Must avoid combination with SSRIs due to serotonin syndrome risk.

<\/script>\n
`; }, get iframeSnippet() { const domain = 'weightcited.com'; const params = 'ingredient\u003D5\u002Dhtp\u0026condition\u003Demotional\u002Deating'; return ``; }, get activeSnippet() { return this.method === 'script' ? this.scriptSnippet : this.iframeSnippet; }, copySnippet() { navigator.clipboard.writeText(this.activeSnippet).then(() => { this.copied = true; setTimeout(() => { this.copied = false; }, 2000); }); } }" @keydown.escape.window="open = false" @click.outside="open = false">

Embed This Widget

Style



      
      
    


    
    

      Widget powered by
      .
      Free, no account required.
    

  




    








    

        

            C

        

        

            
The Bottom Line

            
            
As a serotonin precursor, 5-HTP may reduce emotional and stress-driven eating through modulation of hypothalamic satiety centers and reward pathways. Pilot studies show reduced carbohydrate cravings. Must avoid combination with SSRIs due to serotonin syndrome risk.

            
            
        

    










    

  
Key Study Findings





    

        
        

            

                
                    In Vitro
                
                
                
                
            

            
                Enhanced production of 5-hydroxytryptophan through the regulation of L-tryptophan biosynthetic pathway.
            
            

                
                Dose: recombinant E. coli strain for 5-HTP biosynthesis (engineered pathway)
                
                
                vs: Placebo
                
                
                
                Effect: 5-HTP production increased to 1.61 g/L (24% improvement); residual L-trp reduced from 1.66 to 0.2 g/
                
                
                None
                
            

            
        

        
    







    
    

        
        

            

  
Key Statistics





            


    

        
3

        
Studies

    

    

        
80

        
Participants

    

    

        
            
            ↑
            
        
        
Positive

    

    

        C

        
Grade

    




        


        
        
        

            

  
Referenced Papers





            

                
                

                    

                        
                            Enhanced production of 5-hydroxytryptophan through the regulation of L-tryptophan biosynthetic pathway.
                        
                        
                            
                                Other
                            
                            
                            
                        
                    

                    

                        Applied microbiology and …
                        2020
                        
                        30 citations
                        
                    

                

                
                

                    

                        
                            5-Hydroxytryptophan: a clinically-effective serotonin precursor.
                        
                        
                            
                                Review
                            
                            
                            
                        
                    

                    

                        Alternative medicine review …
                        1998
                        
                        216 citations
                        
                    

                

                
            

        

        

        
        
        

            

  
Dosage & Usage





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


            
            

                
Commonly Used Dosages

                

                    
                    

                        
general:

                        
50-100 mg 1-3x/day

                    

                    
                    

                        
starting:

                        
50 mg/day and titrate up

                    

                    
                    

                        
appetitecontrol:

                        
250-300 mg/day 30 min before meals

                    

                    
                

                
                

                    Upper limit: 500 mg/day; avoid combining with SSRIs, SNRIs, MAOIs, or triptans (serotonin syndrome risk)
                

                
            

            

            
            

                
Dosages Studied in Research

                

                    

                        
                            

                                Dosage
                                Duration
                                Effect
                                N
                            

                        
                        
                            
                            

                                recombinant E. coli strain for 5-HTP biosynthesis (engineered pathway)
                                --
                                
                                    
                                    Positive
                                    
                                
                                --
                            

                            
                        
                    

                

            

            

            
            

                Best taken: 30 minutes before meals on an empty stomach
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Reported Side Effects

                    
    
                        
                        
  • 
                            ⚠
                            Nausea
                        
    • 
                        
                        
  • 
                            ⚠
                            Drowsiness
                        
    • 
                        
                        
  • 
                            ⚠
                            GI discomfort
                        
    • 
                        
                        
  • 
                            ⚠
                            Serotonin syndrome risk with contraindicated medications
                        
    • 
                        
                    

                

                

                
                

                    
Known Interactions

                    
    
                        
                        
  • 
                            ●
                            SSRIs (serotonin syndrome risk — NEVER combine)
                        
    • 
                        
                        
  • 
                            ●
                            SNRIs (serotonin syndrome risk — NEVER combine)
                        
    • 
                        
                        
  • 
                            ●
                            MAOIs (serotonin syndrome risk — NEVER combine)
                        
    • 
                        
                        
  • 
                            ●
                            Triptans (serotonin syndrome risk)
                        
    • 
                        
                        
  • 
                            ●
                            Carbidopa
                        
    • 
                        
                    

                

                

                
                

                    

                        Tolerable upper intake: 500 mg/day; avoid combining with SSRIs, SNRIs, MAOIs, or triptans (serotonin syndrome risk)
                    

                

                
            

            

                Always consult your healthcare provider before starting any supplement.
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does 5-HTP help with Emotional Eating?
            
        
        

            Based on 3 studies with 80 participants, there is limited but promising evidence that 5-HTP may support Emotional Eating management. Our evidence grade is C (Some Evidence).
        

    

    
    

        
            How much 5-HTP should I take for Emotional Eating?
            
        
        

            Studies have used various dosages. A commonly studied range is 50-100 mg 1-3x/day. Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of 5-HTP?
            
        
        

            Reported side effects may include Nausea, Drowsiness, GI discomfort, Serotonin syndrome risk with contraindicated medications. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for 5-HTP and Emotional Eating?
            
        
        

            We rate the evidence as Grade C (Some Evidence). This rating is based on 3 peer-reviewed studies with 80 total participants. The overall direction of effect is positive.
        

    

    




        

        

        
        
        

            

  




            

                
                

                    
Other ingredients for Emotional Eating

                    

                        
                        
                            Ashwagandha
                            C

                        
                        
                    

                

                

                
                

                    
5-HTP for other conditions

                    

                        
                        
                            Appetite Control
                            C

                        
                        
                    

                

                
            

        

        

    


    
    






  
References

  
    
    
    
  1. 
      [1]
      Da Xu et al..
      Appl Microbiol Biotechnol.
      2020.
      Enhanced production of 5-hydroxytryptophan through the regulation of L-tryptophan biosynthetic pathway.
      doi:10.1007/s00253-020-10371-y
      PubMed
    
    2. 
    
    
  2. 
      [2]
      T C Birdsall.
      Altern Med Rev.
      1998.
      5-Hydroxytryptophan: a clinically-effective serotonin precursor.
      
      PubMed
    
    3. 
    
  















    

        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.