Liquid diets are not only for weight loss; they are also used before surgery and other procedures and to cleanse and remove toxins from the colon and the rest of the body. Generally, on a liquid diet, you can consume water, tea, fruit juice without pulp, broth, ice pops and gelatin. However, liquid diet cleanses are not always beneficial and can cause harmful side effects. Talk to your doctor before going on a liquid diet.
Pro: Colon Cleansing
The Colon Cleansing and Constipation Resource Center explains that liquid diets can be beneficial to cleanse the colon. The colon develops a buildup of mucus and sludge, which can direct toxins into your bloodstream and provide a place for intestinal organisms to grow. However, you should not stay on a liquid diet for more than a few days, unless your doctor recommends it or you include additional foods in your diet.
Pro: Digestive Concerns and Medical Procedures
Liquid diets can be beneficial if you have digestive concerns or are having a medical procedure and cannot obtain the nutrients you need through a normal diet, according to MayoClinic.com. This type of diet provides your body with the fluids, electrolytes and some energy your body needs while clearing your stomach and intestines and reducing the strain on your digestive system for a short amount of time. However, do not continue the diet for more than a few days and be sure to follow your doctor’s recommendations.
Con: Lack of Nutrients
Liquid diets do not provide enough nutrients to sustain the health of your body. These diets do not include enough of the major macronutrients you need for energy: carbohydrates, fats and protein. They also don't provide your body with enough fiber, vitamins and minerals. This lack of essential nutrients can prevent your body from properly carrying out its basic functions. Further, if you lose weight on this type of diet, you are likely to regain it as soon as you go back to eating normally.
Con: Lack of Research
MayoClinic.com nutritionist Katherine Zeratsky explains that the effectiveness of liquid diets is not backed by research. She notes that the body, especially through the liver and kidneys, removes toxins on its own and does not require a detoxifying liquid diet. In addition, a liquid diet can cause side effects like fatigue, dizziness, dehydration and nausea.
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