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Astaxanthin for High Cholesterol (Hyperlipidemia)

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

Research suggests reductions in LDL and ox-LDL with improved blood rheology. Potent antioxidant but cardiovascular-specific trials are still small.

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            C

        

        

            
The Bottom Line

            
            
Research suggests reductions in LDL and ox-LDL with improved blood rheology. Potent antioxidant but cardiovascular-specific trials are still small.

            
            
        

    










    

  
Key Study Findings





    

        
        

            

                
                    Other
                
                
                
                
            

            
                Antarctic Krill Euphausia superba Oil Supplementation Attenuates Hypercholesterolemia, Fatty Liver, and Oxidative Stress in Diet-Induced …
            
            

                
                Dose: None
                
                
                vs: None
                
                
                Outcome: Oxidative stress markers
                
                
                Effect: None
                
                
                None
                
            

            
            
Population: Mouse model

            
        

        
        

            

                
                    Other
                
                
                
                
            

            
                Extensive Bioactivity of Astaxanthin from Haematococcus pluvialis in Human.
            
            

                
                Dose: None
                
                
                vs: None
                
                
                Outcome: None
                
                
                Effect: None
                
                
                None
                
            

            
            
Population: None

            
        

        
    







    
    

        
        

            

  
Key Statistics





            


    

        
5

        
Studies

    

    

        
300

        
Participants

    

    

        
            
            ↑
            
        
        
Positive

    

    

        C

        
Grade

    




        


        
        
        

            

  
Referenced Papers





            

                
                

                    

                        
                            Antarctic Krill Euphausia superba Oil Supplementation Attenuates Hypercholesterolemia, Fatty Liver, and Oxidative Stress in Diet-Induced Obese Mice.
                        
                        
                            
                                Other
                            
                            
                            
                        
                    

                    

                        Nutrients
                        2024
                        
                        5 citations
                        
                    

                

                
                

                    

                        
                            Extensive Bioactivity of Astaxanthin from Haematococcus pluvialis in Human.
                        
                        
                            
                                Other
                            
                            
                            
                        
                    

                    

                        Advances in experimental …
                        2021
                        
                        13 citations
                        
                    

                

                
            

        

        

        
        
        

            

  
Dosage & Usage





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


            
            

                
Commonly Used Dosages

                

                    
                    

                        
general:

                        
4-12 mg/day

                    

                    
                    

                        
cardiovascularsupport:

                        
8-12 mg/day

                    

                    
                

                
                

                    Upper limit: Not formally established; up to 40 mg/day used in short-term studies
                

                
            

            

            
            

                
Dosages Studied in Research

                

                    

                        
                            

                                Dosage
                                Duration
                                Effect
                                N
                            

                        
                        
                            
                            

                                None
                                --
                                
                                    
                                    Positive
                                    
                                
                                --
                            

                            
                            

                                None
                                --
                                
                                    
                                    Positive
                                    
                                
                                --
                            

                            
                        
                    

                

            

            

            
            

                Best taken: With meals containing fat (carotenoid — fat-soluble)
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Reported Side Effects

                    
    
                        
                        
  • 
                            ⚠
                            Generally well-tolerated
                        
    • 
                        
                        
  • 
                            ⚠
                            Orange skin discoloration at very high doses (harmless)
                        
    • 
                        
                        
  • 
                            ⚠
                            Mild gastrointestinal discomfort
                        
    • 
                        
                    

                

                

                
                

                    
Known Interactions

                    
    
                        
                        
  • 
                            ●
                            Blood pressure medications (may have mild additive hypotensive effect)
                        
    • 
                        
                        
  • 
                            ●
                            Hormone-sensitive conditions (theoretical, as carotenoid)
                        
    • 
                        
                    

                

                

                
                

                    

                        Tolerable upper intake: Not formally established; up to 40 mg/day used in short-term studies
                    

                

                
            

            

                Always consult your healthcare provider before starting any supplement.
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Astaxanthin help with High Cholesterol (Hyperlipidemia)?
            
        
        

            Based on 5 studies with 300 participants, there is limited but promising evidence that Astaxanthin may support High Cholesterol (Hyperlipidemia) management. Our evidence grade is C (Some Evidence).
        

    

    
    

        
            How much Astaxanthin should I take for High Cholesterol (Hyperlipidemia)?
            
        
        

            Studies have used various dosages. A commonly studied range is 4-12 mg/day. Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Astaxanthin?
            
        
        

            Reported side effects may include Generally well-tolerated, Orange skin discoloration at very high doses (harmless), Mild gastrointestinal discomfort. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for Astaxanthin and High Cholesterol (Hyperlipidemia)?
            
        
        

            We rate the evidence as Grade C (Some Evidence). This rating is based on 5 peer-reviewed studies with 300 total participants. The overall direction of effect is positive.
        

    

    




        

        

        
        
        

            

  




            

                
                
                

                
                

                    
Astaxanthin for other conditions

                    

                        
                        
                            Endothelial Dysfunction
                            D

                        
                        
                    

                

                
            

        

        

    


    
    






  
References

  
    
    
    
  1. 
      [1]
      Jun-Hui Choi et al..
      Nutrients.
      2024.
      Antarctic Krill Euphausia superba Oil Supplementation Attenuates Hypercholesterolemia, Fatty Liver, and Oxidative Stress in Diet-Induced Obese Mice.
      doi:10.3390/nu16213614
      PubMed
    
    2. 
    
    
  2. 
      [2]
      Eiji Yamashita.
      Adv Exp Med Biol.
      2021.
      Extensive Bioactivity of Astaxanthin from Haematococcus pluvialis in Human.
      doi:10.1007/978-981-15-7360-6_23
      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.