Nutrition Zone in Carlsbad is under new ownership. The nutritional product and health store is located at 2626 El Camino Real, Ste. A. The Stidham family, Julie, and her sons, Matt and Scott purchased the franchise from the previous owners in June. Look for Nutrition Zone at the November Carlsbad Village Street Faire on Sunday, November 1. New Ownership! The Stidham family, new owners of Nutrition Zone Carlsbad, is excited to be offering the everyday athlete with the highest quality products at the lowest prices.