Various modalities of body cleansing are currently employed, ranging from physical treatments (e.g. colon cleansing), to dietary restrictions (i.e. avoiding foods) or dietary supplements. Some variants involve the use of herbs and supplements that purportedly speed or increase the effectiveness of the process of cleansing. Several naturopathic and homeopathic preparations are also promoted for cleansing; such products are often marketed as targeting specific organs, such as fiber for the colon or juices for the kidneys.
Eliminating foods such as caffeine, alcohol, processed food (including any bread), pre-made or canned food, salt, sugar, wheat, red meat, pork, fried and deep fried food, yellow cheese, cream, butter and margarine, shortening, etc., while focusing on pure foods such as raw fruits and vegetables, whole grains, legumes, raw nuts and seeds, fish, vegetable oils, herbs and herbal teas, water, etc.
You’ve probably come across all kinds of cleansing and detox programs online. There is a whole industry based around selling these plans and supplies to people trying to live healthier. Unfortunately, doctors largely agree that most of these plans have no real health benefits. They might even be harmful. It's best to skip them and follow a healthier lifestyle instead.