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Vitamin A (Retinol) untuk Acne

C

Oral vitamin A supports keratinocyte differentiation and may help normalize follicular keratinization. Topical retinoids have strong acne evidence; oral vitamin A at safe doses has more limited data.

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Kesimpulan

            
            
Oral vitamin A supports keratinocyte differentiation and may help normalize follicular keratinization. Topical retinoids have strong acne evidence; oral vitamin A at safe doses has more limited data.

            
            
        

    











    
    

        
        

            

  
Key Statistics





            


    

        
6

        
Studi

    

    

        
400

        
Peserta

    

    

        
            
            ↑
            
        
        
Positive

    

    

        C

        
Peringkat

    




        


        
        

        
        
        

            

  
Dosage & Usage





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


            
            

                
Dosis yang Umum Digunakan

                

                    
                    

                        
general:

                        
700-900 mcg RAE/day (RDA)

                    

                    
                    

                        
skinhealth:

                        
700-900 mcg RAE/day (do not exceed UL)

                    

                    
                

                
                

                    Batas atas: 3,000 mcg RAE/day (10,000 IU preformed vitamin A) — teratogenic at high doses
                

                
            

            

            

            
            

                Waktu terbaik diminum: With meals containing fat
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Efek Samping yang Dilaporkan

                    
    
                        
                        
  • 
                            ⚠
                            Headache and nausea at high doses
                        
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  • 
                            ⚠
                            Skin dryness and peeling (hypervitaminosis A)
                        
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  • 
                            ⚠
                            Liver toxicity with chronic excess
                        
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  • 
                            ⚠
                            Birth defects (teratogenic — pregnancy contraindication)
                        
    • 
                        
                    

                

                

                
                

                    
Interaksi yang Diketahui

                    
    
                        
                        
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                            ●
                            Retinoid medications (additive toxicity risk — do not combine)
                        
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                            Tetracycline antibiotics (increased intracranial pressure risk)
                        
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                            Anticoagulants (high-dose vitamin A may increase bleeding risk)
                        
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                            Hepatotoxic drugs (additive liver stress)
                        
    • 
                        
                    

                

                

                
                

                    

                        Asupan atas yang dapat ditoleransi: 3,000 mcg RAE/day (10,000 IU preformed vitamin A) — teratogenic at high doses
                    

                

                
            

            

                Selalu konsultasikan dengan tenaga kesehatan Anda sebelum memulai suplemen apa pun.Selalu konsultasikan dengan penyedia layanan kesehatan Anda sebelum memulai suplemen apa pun.
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Vitamin A (Retinol) help with Acne?
            
        
        

            Based on 6 studies with 400 participants, there is limited but promising evidence that Vitamin A (Retinol) may support Acne management. Our evidence grade is C (Some Evidence).
        

    

    
    

        
            How much Vitamin A (Retinol) should I take for Acne?
            
        
        

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

    

    
    

        
            Are there side effects of Vitamin A (Retinol)?
            
        
        

            Reported side effects may include Headache and nausea at high doses, Skin dryness and peeling (hypervitaminosis A), Liver toxicity with chronic excess, Birth defects (teratogenic — pregnancy contraindication). 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 (Retinol) and Acne?
            
        
        

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

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                
                

                
                

                    
Vitamin A (Retinol) untuk kondisi lain

                    

                        
                        
                            Aging Skin & Wrinkles
                            C

                        
                        
                        
                            Keratosis Pilaris
                            D

                        
                        
                    

                

                
            

        

        

    


    
    












    

        Penafian FDA:
        Pernyataan-pernyataan ini belum dievaluasi oleh Food and Drug Administration. Produk dan informasi di situs web ini tidak dimaksudkan untuk mendiagnosis, mengobati, menyembuhkan, atau mencegah penyakit apa pun. Peringkat bukti yang disajikan didasarkan pada analisis kami terhadap penelitian yang ditinjau sejawat dan tidak merupakan saran medis. Selalu konsultasikan dengan penyedia layanan kesehatan Anda sebelum memulai regimen suplemen apa pun.