The Accelerant initiative has made a third investment from its venture capital fund into a growing company. The group's advisory board has voted to invest $500,000 from Accelerant Fund I in Patients' & Consumers Pharma, or P&C Pharma, a start-up pharmaceutical company. That company has created the INSTA Compounding System for compounding and grinding medication into standard dosages for patients with trouble swallowing. P&C Pharma has relocated to The Entrepreneur Center downtown as part of the…