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Ceramides 用于 皮肤干燥

C 证据 来自小型研究的证据有限，但存在一些积极信号。

Small RCTs found oral phytoceramides (350 mg/day) improved skin hydration and reduced roughness. Ceramides comprise ~50% of stratum corneum lipids, so oral replenishment has biological plausibility.

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            C

        

        

            
结论

            
            
Small RCTs found oral phytoceramides (350 mg/day) improved skin hydration and reduced roughness. Ceramides comprise ~50% of stratum corneum lipids, so oral replenishment has biological plausibility.

            
            
        

    










    

  
Key Study Findings





    

        
        

            

                
                    Meta-Analysis
                
                
                
                
            

            
                Effectiveness of Dietary Supplement for Skin Moisturizing in Healthy Adults: A Systematic Review and Meta-Analysis …
            
            

                
                Dose: None
                
                
                vs: Placebo
                
                
                Outcome: Skin hydration and TEWL
                
                
                效果: None
                
                
                None
                
            

            
            
研究人群: Healthy adults

            
        

        
    







    
    

        
        

            

  
Key Statistics





            


    

        
5

        
研究数量

    

    

        
300

        
受试者

    

    

        
            
            ↑
            
        
        
Positive

    

    

        C

        
等级

    




        


        
        
        

            

  
Referenced Papers





            

                
                

                    

                        
                            Effectiveness of Dietary Supplement for Skin Moisturizing in Healthy Adults: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
                        
                        
                            
                                Systematic Review
                            
                            
                            
                        
                    

                    

                        Frontiers in nutrition
                        2022
                        
                        23 次引用
                        
                    

                

                
            

        

        

        
        
        

            

  
Dosage & Usage





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


            
            

                
常用剂量

                

                    
                    

                        
general:

                        
30-40 mg/day phytoceramides

                    

                    
                    

                        
skinhealth:

                        
350 mg/day (wheat-based) or 40 mg/day (rice-based)

                    

                    
                

                
                

                    上限： Not established; generally well-tolerated
                

                
            

            

            
            

                
研究中使用的剂量

                

                    

                        
                            

                                剂量
                                持续时间
                                效果
                                N
                            

                        
                        
                            
                            

                                None
                                --
                                
                                    
                                    Positive
                                    
                                
                                --
                            

                            
                        
                    

                

            

            

            
            

                最佳服用时间： With meals
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
已报告的副作用

                    
    
                        
                        
  • 
                            ⚠
                            Generally well-tolerated
                        
    • 
                        
                        
  • 
                            ⚠
                            Rare mild gastrointestinal discomfort
                        
    • 
                        
                    

                

                

                
                

                    
已知相互作用

                    
    
                        
                        
  • 
                            ●
                            No significant drug interactions documented
                        
    • 
                        
                    

                

                

                
                

                    

                        可耐受最高摄入量： Not established; generally well-tolerated
                    

                

                
            

            

                在开始服用任何补充剂之前，请务必咨询您的医疗保健提供者。
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Ceramides help with 皮肤干燥?
            
        
        

            Based on 5 studies with 300 participants, there is limited but promising evidence that Ceramides may support 皮肤干燥 management. Our evidence grade is C (Some Evidence).
        

    

    
    

        
            How much Ceramides should I take for 皮肤干燥?
            
        
        

            Studies have used various dosages. A commonly studied range is 30-40 mg/day phytoceramides. Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Ceramides?
            
        
        

            Reported side effects may include Generally well-tolerated, Rare 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 Ceramides and 皮肤干燥?
            
        
        

            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.
        

    

    




        

        

        
        
        

            

  




            

                
                
                

                
                

                    
Ceramides 用于其他健康状况

                    

                        
                        
                            皮肤屏障功能
                            C

                        
                        
                    

                

                
            

        

        

    


    
    






  
References

  
    
    
    
  1. 
      [1]
      Qian Sun et al..
      Front Nutr.
      2022.
      Effectiveness of Dietary Supplement for Skin Moisturizing in Healthy Adults: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
      doi:10.3389/fnut.2022.895192
      PubMed
    
    2. 
    
  















    

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