[2] Celebrities that have endorsed the diet include Demi Moore and Madonna.
[3] The diet is typically performed in one of two fashions: the "basic moon plan" or the "extended version".
[6][7] Criticisms include the diet's effectiveness in the long term, that it hasn't been scientifically proven, and that the weight loss could be attributed more to the low calorie intake as opposed to lunar shifts.
"[5] They also questioned the diet's long term health risks.
[5] A member of the Women's Health advisory board commented that, while the moon had a limited effect on the human body, "the effect isn't so great that you should actually rethink the way you eat during different times of the month" and that "fasting isn't the smartest idea—it can set you up for binges—and the Werewolf Diet's claims that you can lose up to six pounds in a day simply aren't realistic".