PhytoPharmacon, Inc is only a twenty minute drive from the RDU airport. Exit the airport heading East on Hwy 40 toward Raleigh. Take exit 306/Garner/Clayton onto US-70-BR E toward Clayton. Go 2.2 miles, turn right on Raynor Rd. Go about 0.8 miles and turn right on Sigma Dr. Go another 0.2 miles than turn left on to Hein Dr. Building on the left