Have you had your green smoothie yet today?

Gwyneth loves them and they’re the Hollywood A-list’s health drink of choice. Hilary Rose gets busy with the blender
Enjoying a kale smoothie
Enjoying a kale smoothie
FREDERIC FARRE/MADAME FIGARO/CAMERA PRESS

If I say “green smoothie”, do you say, a) “Eh?”, b) “Yum”, or, c) “Ha ha. Raw kale. I don’t think so.” Kimberly Snyder, supplier of green smoothies to the stars and author of The Beauty Detox Solution, would say an enthusiastic Californian “b”. Her Glowing Green Smoothie mix of vegetables and fruit sounds almost miraculous in its health-giving properties: “In one delicious drink you get the fuel to lose weight, rejuvenate your skin, fight ageing and increase your energy,” says Snyder. She starts every day with one, and points out that it makes you feel full – hunger being the enemy of dieters everywhere.

The fact is that in 2013 your average A-lister and supermodel won’t be papped with anything other than a