Rapid Weight Loss: What Is It?
So many marketers promise "fast weight loss" it's difficult to sort through them all.
Most rapid weight loss pitches fall into these categories:
Beyonce popularized the so-called "master cleanse" diet: water, lemon juice, maple syrup, and cayenne pepper. Variations of these diets have been around since at least the 1950s. They often also promise "detoxification" through colonics or enemas.
Diet Pills and Supplements
Dozens of diet supplements promise to speed weight loss. Generally, they claim either to block absorption of nutrients, increase metabolism, or burn fat.
Very Low-Calorie Diets (VLCDs)
One proven method of rapid weight loss is the medically supervised very low-calorie diet (VLCD). Most of what is known about rapid weight loss comes from studies of people on these diets.
Creams, Devices, and Magic Voodoo Spells
There seems to be no end to the dubious ideas promoted in the name of rapid weight loss. Most promise to replace diet or exercise.