Watercress syrup: benefits and how to prepare it

Watercress syrup is a traditional remedy that is made to soothe cold and flu symptoms. We tell you how to prepare it at home.

Last update: 03 March, 2022

Watercress syrup is a preparation of natural origin that It is used as an adjuvant to calm cough, flu and cold. Its main ingredient, the plant with the scientific name Nasturtium officinaleconcentrates compounds with anti-inflammatory, antiviral and expectorant potential.

In fact, as detailed in a study published in Springer Plus, this ingredient has an exceptional phenolic profile that protects against DNA damage, while improving blood antioxidant capacity and immune health. How to prepare this remedy? aim!

Health benefits of watercress syrup

watercress (Nasturtium officinale) It is a plant valued for its nutritional composition. As compiled by a publication in Evidence-Based Complementary and Alternative Medicine, the plant provides vitamin C, B complex vitamins (B1, B2, B3 and B6), vitamin E, calcium and iron.

It also contains other substances with pharmacological action, such as the following:

  • Quercetin.
  • Terpenes.
  • Gallic acid,
  • Isorhamnetin.
  • Chlorogenic acid.
  • Dicaffeoyltartaric acid.

These compounds are responsible for its medicinal properties. Specifically, antibacterial, antiviral, anti-inflammatory, hepatoprotective, antidiabetic and antitumor effects, among others, are attributed to it. In the particular case of watercress syrup, it is often used as a complement for respiratory health. Why?

Helps clear the airways

Watercress syrup is known for its expectorant properties. Due to this quality, its moderate consumption helps to fluidize the excess mucus that obstructs the respiratory tract.

On the other hand, according to an article published in Pharmaceutical Biology, has anti-inflammatory compounds that also positively influence this process. Its assimilation helps reduce irritation of the bronchial tubes, which reduces difficulties in expectoration.

To help cough up phlegm, watercress syrup can be a good option.

Strengthens defenses

One of the main nutrients contained in watercress, vitamin C, is recognized for its ability to strengthen the body’s defenses. Specific, this nutrient stimulates the functions of leukocyteswhich play a relevant role in the response of the immune system against pathogens.

On the other hand, it has antiviral and antioxidant properties that also help regulate immune functions. An investigation shared in the Spanish Journal of Human Nutrition and Dietetics details that this nutrient seems to reduce the duration and severity of the common cold.

How to prepare a watercress syrup to take care of respiratory health?

It is important to make it clear that watercress syrup it is not a first-choice remedy when it comes to combating respiratory health problems. Instead, it’s a supplement to temporarily soothe some cold and flu symptoms.

Thus, in case of experiencing a chronic respiratory disease, the ideal is to go to the doctor. The professional will be in charge of guiding the treatment based on the diagnosis and individual characteristics.

With this clear, let’s see in detail how to make this remedy.


  • 1 tablespoon of water (15 ml).
  • 3 tablespoons of sugar (45 g).
  • 1/2 glass of watercress juice (100 ml).

Preparation and mode of consumption

  1. To start, moisten the sugar with the water and put it on a low heat.
  2. Once it breaks the boil, add the watercress juice over the sugar syrup.
  3. Mix it well and leave it on low heat for 5 more minutes.
  4. After this time, remove it and pack it in an airtight container.
  5. Consume up to 4 tablespoons a day until you experience an improvement.

Watercress syrup and aloe vera, an alternative recipe

Another way to prepare a medicinal watercress syrup is to mix it with aloe vera and honey. Both ingredients stand out for their nutritional quality, which is also linked to respiratory health benefits.


  • 3 lemons.
  • 1 bunch of watercress.
  • 1 cup of honey (250 g).
  • 3 tablespoons of aloe vera gel (45 g).
The usefulness of aloe vera is expressed in multiple medicinal applications, from irritable colon to cold.

Preparation and mode of consumption

  1. First, add the aloe vera gel to the blender.
  2. Now add the handful of watercress, the lemon juice and the cup of honey.
  3. Process everything for a few minutes until a homogeneous mixture is obtained.
  4. Package in an airtight container and start its consumption.
  5. Take 2 or 3 tablespoons of syrup a day in case of cold. If it is for prevention, consume only 1 tablespoon a day.
  6. Always shake the product before consuming it.

Recommendations for the safe consumption of watercress syrup

Watercress syrup is considered safe for most healthy adults., as long as the recommended dose is respected. Excessive intake of it can lead to digestive discomfort such as bloating, pain and diarrhea. In addition, it is also associated with an increased risk of abortion and irritation of the urinary tract.

Due to its glucose content, this remedy should not be used by diabetic patients. It is also contraindicated in the following cases:

  • Pregnant or lactating women.
  • Children under one year old (risk of botulism).
  • Patients undergoing treatment with anticoagulants, antidiabetics or cholesterol medications.

What to remember about watercress syrup?

In traditional medicine, watercress is popular for its high content of health-promoting vitamins, minerals, and antioxidant compounds. Its preparation in syrup is usually used to help relieve problems that afflict the respiratory tract. However, it should be used sparingly.

For now, there are no specific studies that talk about the effects of this syrup on the body. Still, some research supports the potential of watercress to prevent infections and strengthen defenses. If you want to try it out, be sure to follow the directions. Also, if you suspect a larger health problem, see your doctor.

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