Nicole Richie stops by for her “fix” a couple of times a week, Kim Kardashian loves it so much she tweets about it; and the Jonas Bros. drink them on tour to keep them in shape.

They’re all raving about a protein shake by Body Factory, which is known for its so-called “green protein” smoothie.

• TAGS

• Eat It
• On Our Radar
• Body Factory
• David Duchovny
• Jeremy Piven
• Joel and Benji Madden
• Justin Timberlake
• Kim Kardashian
• Protein Shake