BOCA RATON, Fla.--(BUSINESS WIRE)--Nutra Pharma Corp. (OTCBB:NPHC), a biotechnology company that is developing drugs for HIV and Multiple Sclerosis (MS), has today announced that its drug discovery arm, ReceptoPharm, has successfully completed its six-month patient crossover in the Phase IIb/IIIa clinical trial for the treatment of Adrenomyeloneuropathy (AMN).