Juice cleanses have become a popular trend for those looking to lose weight or detoxify their bodies. But are juice cleanses good for you, or can they cause harm?
What is a Juice Cleanse?
A juice cleanse is a liquid-only diet that can last from a day to a week. It involves consuming only juices or homemade concoctions with water, lemon, and added spices. Juice cleanses are often practiced with the hope of weight loss or clearing toxins from the body.
Do Juice Cleanses Detox the Body?
No. The concept of detoxing by eating or drinking certain diets is a myth. All you need to do to support these organs is maintain a well-balanced diet and be mindful of excess alcohol and added sugars.
“The liver and kidneys remove toxins and waste. If we were holding onto toxins, we wouldn’t be alive.”
The liver and kidneys remove toxins and waste. If we were holding onto toxins, we wouldn’t be alive.”
Are Juice Cleanses Good for You?
No. A juice cleanse generally does more harm than good to the body. The low-calorie nature of juice cleanses can lead to:
- Discomfort
- Fatigue
- Light-headedness
- Overeating when the cleanse is over
- Fainting
- Changes in vision
“Juicing fruits and vegetables removes the fiber, so we miss out on its benefits, like helping to regulate blood sugar, manage cholesterol, and support gut health,” says Moran.
Juices also lack other nutrients like protein, whole grains, and heart-healthy fats. The high sugar content in juices can quickly spike blood sugar levels, which makes them especially risky for those monitoring their blood sugar.

Other risks include:
- Electrolyte imbalances
- Low blood pressure
- Low blood sugar (hypoglycemia)
However, for those who have trouble getting a variety of vitamins, minerals, and phytonutrients into their diets on a regular basis, Moran suggests incorporating juices. “Because the juices are raw, the vitamins are retained,” she says.
Nutrients in juice include antioxidants, which are crucial for supporting our immune systems and protecting against chronic conditions like cancer and heart disease. Additionally, juices can increase hydration, which improves digestion.
Can Juice Cleanses Help Me Lose Weight?
One common misconception is that juice cleanses are a quick fix for weight loss. However, any initial weight loss is usually due to the depletion of energy stores and water, not fat loss. They’re also not a sustainable solution for weight loss.
What Should I Do Instead of a Juice Cleanse?
If you’re looking to lose weight, focus on maintaining a lower-calorie, higher-nutrient diet and staying hydrated. Be sure you’re eating well-balanced meals that include:
- Whole grains
- Whole fruits
- Whole vegetables
- Lean proteins
Consider connecting with a registered dietitian or healthcare professional to help achieve your health and weight-loss goals.
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