A Pharmacist's LDN Experience- John Herr, RPh
John Herr is a pharmacist in New Jersey with 18 years experience compounding LDN. He is a storehouse of information and explains all aspects of LDN and also Ultra-Low Dose Naltrexone (ULDN) clearly. John Herr holds seminars on LDN to educate doctors and patients about the remarkable effect of LDN.