Thanks for writing to us.
In your stage of Convalescence , the oral Methyl cobalamine with Alfalipoic acid is equally effective as the injections as the content Methylcobalamine is an intermediate Metabolite of Vitamin B12(Cyanocobalamine). The above medicine is even given sublingually with a very good efficacy.
Bell's Palsy"Sudden onset of VII Cranial Nerve Palsy
of unknown origin (thought to be viral) of one or both the sides of face usually self limiting in nature "
The treatment involves(1) Physiotherapy(2)Corticosteroids;-Prednisolone
Surgery for the same called "Smile Surgery" has also been tried with varying degree of success in intractable cases.
Your question about taking the Vitamin suppliments before food ,there could be some gastric irritability to be conteracted with antacids.
Wishing you a speedy recovery.,
Dr Lt Cdr ASN Bhushan.,