In "Diet Detox, Part 1: Be Green, Get Lean," Sprig nutritionist Marissa Lippert raided soon-to-be-green client Katherine Brown's kitchen. Now that all of the bad is gone, it's time to get in the good. Marissa took Katherine to the Union Square Green Market in New York City to show her how to stock up on the right stuff. Here she gave Katherine the best, greenest, and most delicious tips for staying healthy and dropping pounds.—Shot and edited by Brit Liggett

Location: New York City Greenmarket | Find a farmer's market near you: Loca Harvest | Another way to find a farmer's market near you: Eat Well Guide | Watch Marissa and Katherine's first diet detox video: Diet Detox 1: Be Green, Get Lean | Marissa's website: Marissa Lippert