[ Grapefruit Diet, Grapefruit Fast, Hollywood Diet ]
A dietary regimen that includes grapefruit, which is purported to contain a fat-burning enzyme that accelerates weight loss.
In combination with other foods, the grapefruit diet is generally considered to be low-carbohydrate and therefore ketogenic.
As a “grapefruit fast” It is a mono_diet that is sometimes promoted as a detox diet.
See: Juice_Fast