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Omega-3 Fatty Acids for Psoriasis

D

Some RCTs suggest omega-3 supplementation may modestly improve psoriasis severity through anti-inflammatory effects, but results are inconsistent across trials.

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The Bottom Line

            
            
Some RCTs suggest omega-3 supplementation may modestly improve psoriasis severity through anti-inflammatory effects, but results are inconsistent across trials.

            
            
        

    











    
    

        
        

            

  
Key Statistics





            


    

        
6

        
Studies

    

    

        
400

        
Participants

    

    

        
            
            ↑
            
        
        
Positive

    

    

        D

        
Grade

    




        


        
        

        
        
        

            

  
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)
                

                
            

            

            

            
            

                Best taken: With meals containing fat for better absorption
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Reported Side Effects

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

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

            Based on 6 studies with 400 participants, there is preliminary evidence that needs more research that Omega-3 Fatty Acids may support Psoriasis management. Our evidence grade is D (Very Early Research).
        

    

    
    

        
            How much Omega-3 Fatty Acids should I take for Psoriasis?
            
        
        

            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 Psoriasis?
            
        
        

            We rate the evidence as Grade D (Very Early Research). This rating is based on 6 peer-reviewed studies with 400 total participants. The overall direction of effect is positive.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                

                    
Other ingredients for Psoriasis

                    

                        
                        
                            Vitamin D
                            B

                        
                        
                        
                            Turmeric (Curcumin)
                            C

                        
                        
                    

                

                

                
                
                
            

        

        

    


    
    












    

        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.