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How much weight can you lose juicing for a month?

Juicing has become an increasingly popular way to lose weight quickly. The premise is simple – by removing the fiber from fruits and vegetables and drinking only the nutrient-rich juice, you can get a concentrated dose of vitamins, minerals and antioxidants with fewer calories. Many people claim to lose a significant amount of weight from juicing for just a month. But is this a realistic and sustainable approach for weight loss? Let’s take a closer look at what happens when you juice for a month.

What is Juicing?

Juicing refers to extracting the liquid from fruits and vegetables, leaving behind the fibers. This is typically done using a juicer machine that spins and crushes the produce to separate the juice from the pulp. The resulting juice is very low in fiber and is absorbed into your bloodstream more quickly than when you eat whole fruits and vegetables.

This quick absorption allows you to ingest a very high concentration of nutrients in juice form. It also means the juice is low in fiber and provides fewer calories than eating the whole produce. For example, a cup of spinach contains about 7 calories, but a cup of spinach juice only has about 1 calorie.

Popular Juice Diets for Weight Loss

There are several well-known juice diets that are promoted for quick weight loss results. Here are some of the most popular juice cleanses:

  • The Master Cleanse – A 10-day cleanse where you drink 6-12 glasses daily of a lemonade-like concoction of water, lemon juice, maple syrup and cayenne pepper.
  • The BluePrint Cleanse – Offers different juice cleanses from 1-3 days, providing 6 bottled juices daily.
  • The Juice Press Cleanse – A 1-3 day cleanse providing 6 cold-pressed juices per day.
  • Cooler Cleanse – A 3 or 5 day cleanse offering 6 juices per day.

These commercial cleanses offer pre-made, bottled juices to make juicing easy when cleansing. The juices usually include a mix of fruits and vegetables like apple, beet, carrot, celery, kale, spinach, parsley and lemon. Some also include additions like nut milks, ginger, probiotics or activated charcoal.

Expected Weight Loss from Juicing for a Month

So just how much weight can you expect to lose if you stick to a juice-only diet for 4 weeks? Here’s a look at some of the average weight loss results from juicing:

Cleanse Duration Average Total Weight Loss
3 days 3-5 lbs
5 days 5-9 lbs
10 days 10-15 lbs
15 days 15-25 lbs
30 days 20-40 lbs

As you can see, weight loss averages on juice cleanses range from about 3-40 pounds, depending on the duration. Generally, the longer you juice, the more weight you can expect to lose.

For a month-long juice cleanse, most people report losing somewhere between 20-40 lbs. However, dramatic short-term results like this are mostly due to losing water weight and lean muscle mass, which is not ideal.

Breaking Down the Weight Loss on a Juice Cleanse

In order to understand how much true fat is lost on a 30 day juice cleanse, let’s break down the average weight loss:

  • Water weight: 5-10 lbs. When calories are severely restricted, insulin levels drop and the kidneys start flushing out excess sodium and water, leading to big drops on the scale.
  • Muscle mass: 5-10 lbs. Without protein intake, the body starts breaking down muscle as an energy source, resulting in further weight loss.
  • Fat loss: 5-10 lbs. While very low calorie intake creates a large daily deficit that promotes fat burning, a large portion of weight lost is actually water and muscle.

As you can see, only about 25% of the weight lost on a month-long juice cleanse comes from actual fat. The rest comes from water and muscle loss, which is counterproductive.

Pros of Juicing for a Month

There are some potential benefits to juicing for an entire month, including:

  • Rapid weight loss – Losing 20+ pounds quickly can be incredibly motivating.
  • Detoxification – Removing processed foods, meat, dairy and caffeine may help eliminate toxins.
  • Increased vegetable intake – Juicing makes it easy to ingest a lot of veggies.
  • Nutrient absorption – The body can more easily absorb high levels of minerals, vitamins and antioxidants.
  • Improved mental clarity – Some people report feeling more clear-headed from a juice cleanse.

Cons of Juicing for a Month

However, there are also many downsides to juicing for 30 days. Potential cons include:

  • Mainly water weight loss – Dramatic short-term loss can set unrealistic expectations for sustainable, long-term fat loss.
  • Muscle loss – Not consuming enough protein can lead to muscle breakdown.
  • Nutrient deficiencies – Juices lack adequate calories, protein, fat, fiber and a range of micronutrients.
  • Blood sugar crashes – Without fiber and complex carbs, juice can cause energy crashes.
  • Bingeing afterward – Strict restrictive diets lead to overeating when resumed.
  • Sustainability – Extreme calorie deprivation and restriction is hard to maintain.

Is Juicing for a Month Safe and Sustainable?

While juicing can provide a “quick fix” and jumpstart your weight loss, health experts do not recommend juicing as a sustainable long-term diet. Here are some of the risks and downsides of juicing for 30 days or longer:

  • Nutritional imbalances – Lack of protein, fiber and healthy fats can create deficiencies.
  • Metabolism slowdown – Severely restricting calories slows your metabolic rate.
  • Loss of muscle mass – Inadequate protein intake breaks down lean muscle mass.
  • Energy crashes – Without complex carbs for sustained energy, you may feel depleted.
  • Blood sugar spikes – Juice cleanses can cause blood sugar highs and lows.
  • Overrestriction – Going to extremes sets you up to fail when resumed normal diet.
  • Weight regain – Most weight lost from juice cleanses is often rapidly regained.

For these reasons, most health experts recommend against prolonged juicing cleanses. A 30-day juice fast is considered an extremely low calorie diet, which can be dangerous for most people without medical supervision.

Instead of juicing for an entire month, many dietitians and nutritionists recommend limiting juice cleanses to 3-5 days at most. This allows you to get the detox benefits without the risks of nutrient deficiencies and sustainability issues.

Tips for Making Juicing Safe and Effective

If you do decide to embark on a juicing regimen, here are some tips to make it more nutritious and sustainable:

  • Add protein – Include high-protein ingredients like Greek yogurt, cottage cheese, protein powder or nut butters in your juices.
  • Eat whole foods too – Juice for just 1-2 meals per day and eat solid nutrient-rich foods for the rest.
  • Include healthy fats – Blend in foods like avocado, coconut, nut butters or olive oil.
  • Don’t cut calories too low – Stick to around 1,200 calories a day minimum to prevent metabolism issues.
  • Limit juice fasts – Only cleanse for 3-5 days at a time, with normal eating in between.
  • Focus on vegetables – Base juices around low-sugar veggies like spinach, kale and cucumber.
  • Watch out for hunger – Increase calories if you feel tired, dizzy or extremely hungry.
  • Avoid bingeing after – Slowly transition back to normal diet without overeating.


In summary, there is nothing wrong with juicing as part of a healthy diet. But prolonged juice-only regimens lasting a month or longer tend to cause more harm than good for sustainable weight loss.

While you may lose 20-40 lbs from juicing for 30 days, 75% or more of this weight loss is likely water and muscle instead of fat. Going to such extremes can slow your metabolism, cause nutrient deficiencies and prime your body for weight regain.

For the best results, limit juice cleanses to no more than 5 days and be sure to include protein and healthy fats. Juicing can provide a surge of nutrients and help you kickstart healthy habits, but it shouldn’t be used as a magic bullet for lasting weight loss.