Green Nut Ambassador Keri Glassman, MS, RD, CDN, speaks to US Weekly about her book The O2 Diet and offers up a one-week diet plan that will help you go down a dress size with the power of antioxidants. On this one-week plan, Keri suggests a Tuesday lunch including heart-healthy and antioxidant-filled pistachios.

Tuesday, Lunch

Veggies with chicken — Combine chopped celery, cucumbers, radish, endive, carrots and beets. Drizzle with balsamic. Top with 4oz white-meat chicken (grilled) and 18 pistachios.