Senna leaves contain compounds called sennosides, which have laxative properties and are used to treat occasional constipation.

How to use them:

1. Infusion: A common way to use senna leaves is to prepare an infusion. To do this, simply add a teaspoon of dried senna leaves to a cup of hot water and let it steep for 10-15 minutes. Drink this infusion before bedtime to help relieve constipation.

2. Capsules or tablets: Senna leaves are also available in the form of capsules or tablets that can be taken orally according to the directions on the package.

3. Commercial laxative teas: Often, senna leaves are one of the ingredients in commercial laxative teas.

4. Dietary supplements: Some people also use dietary supplements containing senna leaf extract to promote intestinal regularity.

Why buy senna leaves:

1. Natural laxative: Senna leaves are known for their laxative properties and have been used for centuries as a natural remedy for occasional constipation.

2. Safety and effectiveness: When used correctly and according to directions, senna leaves can be a safe and effective method for relieving constipation.

3. Availability: Senna leaves and products containing them are generally available in health food stores, pharmacies, and online, making them easily accessible to those seeking a natural remedy for constipation.

However, it's important to note that prolonged or excessive use of senna leaves can cause side effects such as cramping, diarrhea, and loss of fluids and electrolytes, so it's important to use them in moderation and consult a doctor if you have any questions or concerns about their use.