 BALTIMORE, Aug. 2, 2021 PRNewswire -- Medifast NYSE: MED, the global company behind one of the fastest-growing health and wellness communities, OPTAVIA , held its annual OPTAVIA Convention last week from July 29Aug. 1 in a new hybrid format. With an in-person experience held at the Georgia World Congress Center in Atlanta and a livestream component for attendees who chose to participate from home, the global event saw more than 15,000 registrants. 