Do B12 awake patches work? The scientific reality
                                
                                
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                                    4 min read                                
                            
                                According to experts, the human skin is an excellent barrier, making it difficult for water-soluble molecules like vitamin B12 to be effectively absorbed transdermally. This fact calls into question the claims made by manufacturers that B12 awake patches provide a reliable energy boost by bypassing the digestive system.