Watermelon Fasting

Watermelons are not only a popular summer treat, but also a real source of nutrients. And did you know that a few days of watermelon fasting can provide numerous health benefits?

Watermelon juice is not only delicious and hydrating, it’s also an excellent source of vitamins, minerals and antioxidants.

In this article, you’ll learn what you can achieve with a few days of watermelon fasting: from hydration and heart health to supporting the immune and lymphatic systems. Discover the positive effects this fruity drink can have.

watermelon juice

Fasting Instructions

An ideal fasting routine consists of three phases:

  • Relief days
  • Fasting phase
  • Breaking of the fast

For detailed instructions on the three fasting phases, see  >> HERE

As a rule, we recommend fasting with vegetable juices, especially green vegetable juices, as they’e very hydrating and mineralizing.

During the watermelon season between July and September, watermelon juice days offer the opportunity to effectively detoxify our bodies. Juice fasting with pure watermelon juice promotes particularly intensive detoxification and can be combined with mineralizing green juices if desired.

For example:

  • In the morning: 1/2 liter of celery-cucumber juice
  • Spread throughout the day: 1 to 2 liters of watermelon juice, as needed
  • No other food intake other than water

For a first time experience, we recommend 3 days of fasting.

watermelon fasting


Health Benefits of Watermelon Fasting


  • High water content: Watermelon is about 90% water, making it an excellent source of hydration. The high water content helps to hydrate the body, transport nutrients and oxygen to the cells and supports the digestive system, liver (1) and kidneys in eliminating toxins and waste products from the body.
  • Electrolytes: The juice contains important electrolytes like potassium and magnesium that help maintain fluid balance in the body.

Nutrition Rich

  • Vitamins and minerals: Watermelons are rich in vitamin C, vitamin A, vitamin B6, and magnesium.
  • Antioxidants: They contain antioxidants like lycopene, beta-carotene, and cucurbitacin E that help fight free radicals.

Heart Health

  • Lycopene: This powerful antioxidant may help reduce the risk of cardiovascular disease by supporting blood vessels and lowering blood pressure.
  • Amino Acids: Citrulline, an amino acid in watermelon, may improve blood flow and promote heart health.


  • Antioxidant effects: The antioxidants in watermelon juice help reduce inflammation in the body.
  • Cooling effects: The cooling nature of the fruit may also have anti-inflammatory effects.

Immune system support

Vitamin C: Helps strengthen the immune system and promotes collagen production for healthy skin and bones.Vitamin A: Supports eye health and strengthens the immune system.

Muscle soreness relief

Citrulline: This amino acid can help reduce muscle soreness and speed up recovery after exercise (2).

Healthy skin

Hydration and nutrients: The high hydration, vitamin and antioxidant content promote healthy and glowing skin.

watermelon season



Watermelon can also have a positive effect on the lymphatic system due to its hydrating and anti-inflammatory properties as well as the provision of important nutrients. This not only promotes cellular health but also supports the efficiency of the body’s detoxification functions.




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Ulrike Eder (Author)

Ulrike is a naturopath, Holistic Nutrition Coach, Hippocrates Lifestyle Medicine Coach and phytotherapist. Together with her husband, Jürgen, she leads the Holistic Nutrition Coach training program of Your Nutrition Academy.



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