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Is it OK to juice for 30 days?

Juicing has become an increasingly popular way to improve health and lose weight. The idea behind juicing is that by removing the fiber from fruits and vegetables, you can concentrate the nutrients into a delicious, easy-to-consume juice. Many people embark on juice cleanses or juice fasts lasting anywhere from a few days to a month or longer. But is juicing for 30 days actually safe and effective?

Potential Benefits of Juicing

There are several proposed benefits to juicing for an extended period of time:

  • Increased vegetable and fruit intake – Juicing makes it easier to consume more fruits and veggies.
  • Weight loss – By replacing higher calorie foods with nutrient-dense juices, you may lose weight.
  • Toxin removal – Some claim that juicing “detoxes” the body by flooding it with nutrients.
  • Disease prevention – The nutrients in produce may help prevent disease.
  • Improved energy – Juices provide an immediate energy boost.

However, many of these purported benefits lack scientific evidence. While juicing can definitely help increase your fruit and vegetable intake, many of its other health claims have not been backed by research.

Potential Downsides of Juicing for 30 Days

There are also some potential downsides to juicing for an extended period of time:

  • Nutrient deficiencies – Juices lack protein, healthy fats, and other nutrients.
  • Unstable blood sugar – Juice spikes blood sugar since fiber has been removed.
  • Limited long-term compliance – Long juice fasts are very difficult to sustain.
  • Weight regain – People often gain back any weight lost soon after ending a juice fast.
  • Gastrointestinal issues – Long-term juicing can lead to diarrhea and bloating.
  • Tooth decay – Juices are acidic and could damage tooth enamel over time.
  • Food obsession – Juice cleanses can lead to an unhealthy focus on food.
  • Lack of scientific evidence – There is limited research supporting long-term juice fasts.

A Balanced Approach May Be Best

Given the drawbacks, juicing exclusively for 30 days is not medically recommended. However, there are some reasonable ways to incorporate juicing into a healthy lifestyle:

  • Use juicing as a way to boost your vegetable and fruit intake, but not as a meal replacement.
  • Consume protein, fat, and fiber from solid foods as well.
  • Limit juice cleanses to 3-5 days max, if you wish to try.
  • Focus on sustainable, long-term diet changes over extreme cleanses.
  • Rotate produce rather than juicing the same vegetables daily.
  • Drink homemade, fresh juices instead of store-bought bottled juices.

The Bottom Line

Juicing has some health benefits related to increasing your produce intake, but long juice fasts come with risks. For most people, completely replacing meals with juices for 30 days is unnecessary. But incorporating some fresh, homemade juices into a balanced diet can be a nutritious addition.

Focus on making incremental changes like eating more whole fruits and veggies, reducing processed foods, and drinking juices in moderation as part of an overall healthy lifestyle.

Nutritional Content of Common Juicing Ingredients

If you do choose to juice, be mindful of which ingredients you use. Try to choose a combination of fruits and vegetables to maximize the nutrient diversity. Here is some nutritional information on common juicing ingredients:

Ingredient Calories Carbs Protein Fat Vitamin C Vitamin A
Apples 95 25 g 0.5 g 0.3 g 8 mg 54 IU
Oranges 62 15 g 1.2 g 0.2 g 70 mg 246 IU
Carrots 52 12 g 1.2 g 0.3 g 10 mg 1969 IU
Celery 18 4 g 0.7 g 0.2 g 3 mg 222 IU
Beets 58 13 g 1.8 g 0.2 g 6 mg 2 IU
Ginger 20 5 g 0.8 g 0.1 g 1 mg 0 IU
Kale 49 10 g 2.5 g 0.5 g 120 mg 1165 IU
Spinach 23 3.6 g 2.9 g 0.4 g 28 mg 469 IU

As you can see, each vegetable and fruit provides a unique nutrient profile, so variety is key. When juicing, aim for a combination of flavors and colors to obtain an array of vitamins, minerals, and antioxidants.

Potential Juicing Recipes

If you want to give juicing a try, here are a few potential recipes to help you get started:

Green Juice Recipe

  • 1 cucumber
  • 2 celery stalks
  • Handful of spinach
  • Handful of kale
  • 1 lemon, peeled
  • 1 inch ginger
  • 1 apple

Carrot Orange Juice

  • 4 carrots
  • 2 oranges, peeled
  • 1⁄2 inch ginger

Beet Apple Juice

  • 2 beets
  • 2 apples
  • 1⁄2 lemon

Get creative and try mixing and matching your favorite fruits and veggies to make delicious juices packed with nutrients to help power your day!


While juicing for 30 days straight is not advisable, short term juicing as part of a balanced diet can offer some benefits. Focus on moderation and variety if you want to give juicing a try. Pay attention to how your body feels and be prepared to resume regular eating if you experience any adverse effects.