MIXOLOGIST: David Kirsch, Heidi Klum's personal trainer.
THE PROGRAM: Drink four times a day for 48 hours.
FIRST IMPRESSION: A salty and sour lemonade.
THE VERDICT: Not for the fainthearted. It boosts energy, but watch out for hunger pangs.
SOCAL CLEANSE PROTEIN + DETOX
MIXOLOGIST: Hollywood nutritionist Cynthia Pasquella.
THE PROGRAM: Consume two to four times a day in place of meals or with a salad.
FIRST IMPRESSION: A seaweed-like sludge that's mildly sweet.
THE VERDICT: Packed with hemp and organic herbs, it's for green extremists.
OZ ULTRA DETOX
MIXOLOGIST: Oz Garcia, nutrition guru to Hilary Swank.
THE PROGRAM: As a meal or part of a liquid fast.
FIRST IMPRESSION: Like chalky soy milk spiked with Tang.
THE VERDICT: The efficacy of fasts is debatable, but at least this has 23 grams of protein and a full dose of vitamins.