How Effective is a Liquid Diet for Weight Loss

Hollywood personalities often recommend a liquid diet to lose weight. So, what is a liquid diet?

A liquid diet, as its name suggests, means you are receiving nutrition from liquids such as soups, juices, shakes, or a combination of any of the three.

Types of Liquid Diets

  • Doctor-prescribed liquid diet

    Liquid diets are often prescribed by doctors to treat morbid obesity. Likewise, it is also prescribed to patients following a medical procedure or before. A medically prescribed diet is categorized in two: a clear liquid diet and a full liquid diet.A clear liquid diet, as its name suggests, is limited to clear liquids such as broth and tea. A full liquid diet, on the other hand, includes thick soups and milk.

    Both diets benefit patients who have trouble digesting solid food. A medically prescribed diet is often temporary or a preliminary to a mechanical soft diet.

  • Juice fast

    Also known as a detox diet, a juice fast is a strict diet of pureed fruits and vegetables. This type of diet uses only botanical ingredients.A juice fast aims to flush toxins out of the body. Know that fruits and vegetables offer a bounty of antioxidants that boost your immune system to fight environmental aggressors.

    Unfortunately, fruits and vegetables do not supply other macronutrients that your body needs to thrive.

  • Meal replacements

    Meal replacements are often store-bought. These products are available in powder and ready-to-drink shakes. Nonetheless, you can also make your own using a blender. Meal replacements are formulated to contain essential nutrients such as carbohydrates, fiber, and protein in fewer calories.

How Does a Liquid Diet Make You Lose Weight?

The recommended calorie intake to maintain your weight is between 2, 000 – 2, 500. A liquid diet supplies 800 – 1, 000 calories per day. Hence, you lose weight by making a large calorie deficit.

Are there Negative Effects to a Liquid Diet?

  • Intensifies hunger and cravings

    Solid food makes your stomach feel full and heavy, which signals your brain that you are satiated. Without a sense of fullness, your brain will continue to evoke feelings of hunger.
  • Lethargy and muscle loss

    Your body needs fat and complex carbohydrates for fuel, cognitive function, and so forth. Without it, your energy levels are easily depleted. Likewise, your body will be forced to burn muscles for energy.
  • Stomach ulcers

    Your gut lining is always exposed to acid. Without solid food to digest, your stomach will become too acidic, which leads to ulcer and heartburn.
  • Slow metabolism

    Denying your body the calories and essential nutrients it needs to thrive will eventually result in a slow metabolism. Therefore, you will lose weight only temporarily and gain twice or thrice more once you start eating whole foods again.
  • Sugar spikes

    Drinking concentrated fruit juice seven days a week means bombarding your body with sugar. Even fructose can be detrimental to your health if taken in excessively large amounts.


A liquid diet can only provide temporary effects but if you insist on giving it a shot, do seek your doctor’s advice. Only your doctor can see if you are fit to try a liquid diet. If you are pregnant, diabetic, lactating, or having any chronic illness, then it is best to not try this diet at all. If you really want to lose weight for good, exercise and eat healthy, hearty meals and supplements from Supplements2u.

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