South African black tea, also called Robles black tea, is a kind of tea fermented by the South African plant Masani. It is different from traditional tea because it contains no caffeine and many beneficial compounds, such as antioxidants, polyphenols and flavonoids.

The following are several functions of South African black tea:

1. Help digestion: South African black tea can stimulate gastric juice secretion, promote gastrointestinal peristalsis, and relieve stomach discomfort and indigestion.

2. Lowering cholesterol: South African black tea contains some compounds that can help lower cholesterol in the body and lower the level of low-density lipoprotein (LDL) in the blood.

3. Antioxidants: South African black tea contains many powerful antioxidants, such as vitamin C, vitamin E and polyphenols. These compounds can reduce the harm of free radicals, protect cells from oxidative damage and slow down the aging process.

4. Relieve anxiety and anxiety: South African black tea is considered to have a calming effect, which helps to relieve psychological stress, anxiety and insomnia.

5. Promote immune system: Polyphenols and flavonoids in South African black tea can improve human immunity and prevent infections and diseases.

In a word, South African black tea is a very healthy tea, which contains many beneficial compounds and can have many positive effects on human body.