Start with the Basics – Functional Medicine Counseling Clinical Pearls Dr. Lauren Castle, PharmD, MS; Dr. Vanessa Lesneski, PharmD, BCPS, CPh To access this content, you must purchase Business Essentials for Functional Pharmacists – Gold, Pharmacist. Dr. Lauren Castle, PharmD, MS; Dr. Vanessa Lesneski, PharmD, BCPS, CPh To access this content, you must purchase Business Essentials for Functional Pharmacists – Gold, Pharmacist.