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Vitamin A für Ernährungsbedingter Haarausfall

D

Based on 4 studies with 1 total participants. 3/4 studies show positive effects.

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            D

        

        

            
Fazit

            
            
Based on 4 studies with 1 total participants. 3/4 studies show positive effects.

            
            
        

    










    

  
Key Study Findings





    

        
        

            

                
                    Review
                
                
                
                
            

            
                Vitamins A, B, C, and D: A Short Review for the Dermatologist.
            
            

                
                Dose: None
                
                
                vs.: control
                
                
                Outcome: None
                
                
                Wirkung: None
                
                
                None
                
            

            
            
Population: patients with uncombable hair syndrome

            
        

        
        

            

                
                    Case report
                
                
                n=1
                
                
                20 weeks
                
                
            

            
                Combined Diet and Supplementation Therapy Resolves Alopecia Areata in a Paediatric Patient: A Case Study.
            
            

                
                Dose: Multi-nutrient supplement, zinc sulfate, fish oil with vitamin D; diet rich in vitamins A and D, zin
                
                
                vs.: Placebo
                
                
                
                Wirkung: Complete remission within 5 months
                
                
                None
                
            

            
        

        
        

            

                
                    narrative_review
                
                
                
                
            

            
                Nutrition and skin: Kids are not just little people.
            
            

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

            
        

        
        

            

                
                    Review
                
                
                
                
            

            
                Retinoids putting the "a" in alopecia.
            
            

                
                Dose: None
                
                
                vs.: None
                
                
                Outcome: Vitamin A role in alopecia development
                
                
                Wirkung: None
                
                
                None
                
            

            
            
Population: Patients with alopecia (theoretical)

            
        

        
    







    
    

        
        

            

  
Key Statistics





            


    

        
4

        
Studien

    

    

        
1

        
Teilnehmer

    

    

        
            
            ↑
            
        
        
Positive

    

    

        D

        
Bewertung

    




        


        
        
        

            

  
Referenced Papers





            

                
                

                    

                        
                            Vitamins A, B, C, and D: A Short Review for the Dermatologist.
                        
                        
                            
                                Review
                            
                            
                            
                        
                    

                    

                        Alternative therapies in …
                        2021
                        
                        10 Zitierungen
                        
                    

                

                
                

                    

                        
                            Combined Diet and Supplementation Therapy Resolves Alopecia Areata in a Paediatric Patient: A Case Study.
                        
                        
                            
                                Case Report
                            
                            
                            
                        
                    

                    

                        Cureus
                        2020
                        
                        5 Zitierungen
                        
                    

                

                
                

                    

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

                    

                        Clinics in dermatology
                        2016
                        
                        19 Zitierungen
                        
                    

                

                
                

                    

                        
                            Retinoids putting the "a" in alopecia.
                        
                        
                            
                                Other
                            
                            
                            
                        
                    

                    

                        The Journal of …
                        2013
                        
                        10 Zitierungen
                        
                    

                

                
            

        

        

        
        
        

            

  
Dosage & Usage





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


            
            

                
Übliche Dosierungen

                

                    
                    

                        
general:

                        
700-900 mcg RAE/day (2,300-3,000 IU)

                    

                    
                

                
                

                    Obergrenze: 3,000 mcg RAE/day (10,000 IU preformed vitamin A)
                

                
            

            

            
            

                
In der Forschung untersuchte Dosierungen

                

                    

                        
                            

                                Dosierung
                                Dauer
                                Wirkung
                                N
                            

                        
                        
                            
                            

                                None
                                --
                                
                                    
                                    Positive
                                    
                                
                                --
                            

                            
                            

                                Multi-nutrient supplement, zinc sulfate, fish oil with vitamin D; diet rich in vitamins A and D, zin
                                20 weeks
                                
                                    
                                    Positive
                                    
                                
                                1
                            

                            
                            

                                None
                                --
                                
                                    
                                    Positive
                                    
                                
                                --
                            

                            
                            

                                None
                                --
                                
                                    
                                    Negative
                                    
                                
                                --
                            

                            
                        
                    

                

            

            

            
            

                Beste Einnahmezeit: With a fat-containing meal; consult your healthcare provider about appropriate dosage
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Gemeldete Nebenwirkungen

                    
    
                        
                        
  • 
                            ⚠
                            Hair loss at excessive doses (hypervitaminosis A)
                        
    • 
                        
                        
  • 
                            ⚠
                            Dry skin and lips
                        
    • 
                        
                        
  • 
                            ⚠
                            Headache and nausea at high doses
                        
    • 
                        
                        
  • 
                            ⚠
                            Teratogenicity — contraindicated in pregnancy at high doses
                        
    • 
                        
                    

                

                

                
                

                    
Bekannte Wechselwirkungen

                    
    
                        
                        
  • 
                            ●
                            Retinoid medications (isotretinoin, tretinoin — additive toxicity risk)
                        
    • 
                        
                        
  • 
                            ●
                            Tetracycline antibiotics (increased intracranial pressure risk)
                        
    • 
                        
                        
  • 
                            ●
                            Anticoagulants (high-dose vitamin A may increase bleeding risk)
                        
    • 
                        
                        
  • 
                            ●
                            Hepatotoxic drugs (additive liver stress at high doses)
                        
    • 
                        
                    

                

                

                
                

                    

                        Tolerierbare Höchstaufnahmemenge: 3,000 mcg RAE/day (10,000 IU preformed vitamin A)
                    

                

                
            

            

                Konsultieren Sie immer Ihren Arzt, bevor Sie ein Nahrungsergänzungsmittel einnehmen.Konsultieren Sie immer Ihren Arzt, bevor Sie ein Nahrungsergänzungsmittel einnehmen.
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Vitamin A help with Ernährungsbedingter Haarausfall?
            
        
        

            Based on 4 studies with 1 participants, there is preliminary evidence that needs more research that Vitamin A may support Ernährungsbedingter Haarausfall management. Our evidence grade is D (Very Early Research).
        

    

    
    

        
            How much Vitamin A should I take for Ernährungsbedingter Haarausfall?
            
        
        

            Studies have used various dosages. A commonly studied range is 700-900 mcg RAE/day (2,300-3,000 IU). Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Vitamin A?
            
        
        

            Reported side effects may include Hair loss at excessive doses (hypervitaminosis A), Dry skin and lips, Headache and nausea at high doses, Teratogenicity — contraindicated in pregnancy at high doses. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for Vitamin A and Ernährungsbedingter Haarausfall?
            
        
        

            We rate the evidence as Grade D (Very Early Research). This rating is based on 4 peer-reviewed studies with 1 total participants. The overall direction of effect is positive.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                

                    
Andere Inhaltsstoffe für Ernährungsbedingter Haarausfall

                    

                        
                        
                            Selen
                            A

                        
                        
                        
                            Biotin
                            B

                        
                        
                        
                            L-Cystein
                            D

                        
                        
                        
                            Vitamin B12
                            F

                        
                        
                        
                            Folat
                            F

                        
                        
                    

                

                

                
                

                    
Vitamin A für andere Beschwerden

                    

                        
                        
                            Scalp Inflammation (Folliculitis & Dermatitis)
                            D

                        
                        
                    

                

                
            

        

        

    


    
    












    

        FDA-Haftungsausschluss:
        Diese Aussagen wurden nicht von der Food and Drug Administration bewertet. Die Produkte und Informationen auf dieser Website sind nicht dazu bestimmt, Krankheiten zu diagnostizieren, zu behandeln, zu heilen oder zu verhindern. Die dargestellten Evidenzbewertungen basieren auf unserer Analyse veröffentlichter begutachteter Forschung und stellen keine medizinische Beratung dar. Konsultieren Sie immer Ihren Arzt, bevor Sie mit der Einnahme von Nahrungsergänzungsmitteln beginnen.