Thrive GVL Holistic Family Practice is a holistic family practice in Greenville, South Carolina led by Marianna Guy, MSN, APRN, FNP-C, a board-certified family nurse practitioner. The practice offers holistic primary care for patients of all ages and emphasizes identifying underlying health issues through a root-cause approach. Services noted include muscle response testing, platelet-rich plasma (PRP) injections, IV hydration, IV infusion therapy, and vitamin injections.