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Omega-3 Fatty Acids for Eczema (Atopic Dermatitis)

B Good Evidence At least one randomized trial supports this, with mostly consistent results.

A meta-analysis suggested fish oil supplementation (EPA/DHA 1-4 g/day) is associated with modest improvements in eczema severity scores, possibly through anti-inflammatory eicosanoid modulation.

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            B

        

        

            
The Bottom Line

            
            
A meta-analysis suggested fish oil supplementation (EPA/DHA 1-4 g/day) is associated with modest improvements in eczema severity scores, possibly through anti-inflammatory eicosanoid modulation.

            
            
        

    










    

  
Key Study Findings





    

        
        

            

                
                    narrative_review
                
                
                
                
            

            
                Nutrition and skin: Kids are not just little people.
            
            

                
                Dose: None
                
                
                vs: Placebo
                
                
                
                Effect: narrative review; discusses role of nutrition from prenatal period on skin immune responses; highlig
                
                
                not_applicable
                
            

            
        

        
        

            

                
                    Systematic Review
                
                
                
                
            

            
                Dietary supplements for established atopic eczema.
            
            

                
                Dose: None
                
                
                vs: Placebo
                
                
                Outcome: Atopic eczema severity
                
                
                Effect: None
                
                
                None
                
            

            
            
Population: Adults and children with established atopic eczema

            
        

        
    







    
    

        
        

            

  
Key Statistics





            


    

        
14

        
Studies

    

    

        
1200

        
Participants

    

    

        
            
            ↑
            
        
        
Positive

    

    

        B

        
Grade

    




        


        
        
        

            

  
Referenced Papers





            

                
                

                    

                        
                            Role of nutritional supplements in selected dermatological disorders: A review.
                        
                        
                            
                                Review
                            
                            
                            
                        
                    

                    

                        Journal of cosmetic …
                        2022
                        
                        30 citations
                        
                    

                

                
                

                    

                        
                            Nutrition and skin: Kids are not just little people.
                        
                        
                            
                                Review
                            
                            
                            
                        
                    

                    

                        Clinics in dermatology
                        2016
                        
                        19 citations
                        
                    

                

                
                

                    

                        
                            Dietary supplements for established atopic eczema.
                        
                        
                            
                                Meta-Analysis
                            
                            
                            
                        
                    

                    

                        The Cochrane database …
                        2012
                        
                        130 citations
                        
                    

                

                
            

        

        

        
        
        

            

  
Dosage & Usage





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


            
            

                
Commonly Used Dosages

                

                    
                    

                        
general:

                        
250-500 mg combined EPA/DHA per day

                    

                    
                    

                        
skinhealth:

                        
1,000-2,000 mg/day EPA+DHA

                    

                    
                

                
                

                    Upper limit: 3,000 mg/day combined EPA/DHA (FDA GRAS)
                

                
            

            

            
            

                
Dosages Studied in Research

                

                    

                        
                            

                                Dosage
                                Duration
                                Effect
                                N
                            

                        
                        
                            
                            

                                None
                                --
                                
                                    
                                    Positive
                                    
                                
                                --
                            

                            
                            

                                None
                                --
                                
                                    
                                    Neutral
                                    
                                
                                --
                            

                            
                        
                    

                

            

            

            
            

                Best taken: With meals containing fat for better absorption
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Reported Side Effects

                    
    
                        
                        
  • 
                            ⚠
                            Fishy aftertaste or burping
                        
    • 
                        
                        
  • 
                            ⚠
                            Mild gastrointestinal discomfort
                        
    • 
                        
                        
  • 
                            ⚠
                            Potential increased bleeding time at very high doses
                        
    • 
                        
                        
  • 
                            ⚠
                            May lower blood pressure slightly
                        
    • 
                        
                    

                

                

                
                

                    
Known Interactions

                    
    
                        
                        
  • 
                            ●
                            Anticoagulants and antiplatelet drugs (may increase bleeding risk at high doses)
                        
    • 
                        
                        
  • 
                            ●
                            Blood pressure medications (additive hypotensive effect)
                        
    • 
                        
                        
  • 
                            ●
                            Orlistat (may reduce omega-3 absorption)
                        
    • 
                        
                    

                

                

                
                

                    

                        Tolerable upper intake: 3,000 mg/day combined EPA/DHA (FDA GRAS)
                    

                

                
            

            

                Always consult your healthcare provider before starting any supplement.
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Omega-3 Fatty Acids help with Eczema (Atopic Dermatitis)?
            
        
        

            Based on 14 studies with 1,200 participants, there is moderate evidence from clinical studies that Omega-3 Fatty Acids may support Eczema (Atopic Dermatitis) management. Our evidence grade is B (Good Evidence).
        

    

    
    

        
            How much Omega-3 Fatty Acids should I take for Eczema (Atopic Dermatitis)?
            
        
        

            Studies have used various dosages. A commonly studied range is 250-500 mg combined EPA/DHA per day. Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Omega-3 Fatty Acids?
            
        
        

            Reported side effects may include Fishy aftertaste or burping, Mild gastrointestinal discomfort, Potential increased bleeding time at very high doses, May lower blood pressure slightly. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for Omega-3 Fatty Acids and Eczema (Atopic Dermatitis)?
            
        
        

            We rate the evidence as Grade B (Good Evidence). This rating is based on 14 peer-reviewed studies with 1,200 total participants. The overall direction of effect is positive.
        

    

    




        

        

        
        
        

            

  




            

                
                
                

                
                
                
            

        

        

    


    
    






  
References

  
    
    
    
  1. 
      [1]
      Kabir Sardana et al..
      J Cosmet Dermatol.
      2022.
      Role of nutritional supplements in selected dermatological disorders: A review.
      doi:10.1111/jocd.14436
      PubMed
    
    2. 
    
    
  2. 
      [2]
      Meagen McCusker et al..
      Clin Dermatol.
      2016.
      Nutrition and skin: Kids are not just little people.
      doi:10.1016/j.clindermatol.2016.07.004
      PubMed
    
    3. 
    
    
  3. 
      [3]
      Fiona J Bath-Hextall et al..
      Cochrane Database Syst Rev.
      2012.
      Dietary supplements for established atopic eczema.
      doi:10.1002/14651858.CD005205.pub3
      PubMed
    
    4. 
    
  















    

        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.