Author and M.D. Alejandro Junger shares his step-by-step guide to assembling the perfect pantry. Hold whomever you like responsible-Gwyneth, maybe Gisele-but clean eating is one trend that's here to stay. The basic tenets? Consume whole, organic foods (namely produce and lean meats) while cutting back on (and ideally, eliminating) caffeine, processed sugar, alcohol, gluten, and dairy.