Mix coffee with vinegar: The reason why all women in France do this

Both coffee and vinegar have been linked to better blood sugar regulation. Studies have shown that apple cider vinegar can help reduce blood sugar levels, and coffee might improve insulin sensitivity. Together, they could potentially offer enhanced control over blood sugar levels.
A French Beauty Secret:

In French culture, there is often an emphasis on natural, simple, yet effective solutions to maintain health and beauty. The idea of combining these two ingredients may be rooted in the tradition of using readily available, natural items for well-being.
How to Make the Coffee-Vinegar Mixture:
Ingredients:
1 cup of brewed black coffee (preferably organic or high-quality)
1-2 teaspoons of apple cider vinegar (raw and unfiltered is recommended)
Optional: A small amount of honey or a pinch of cinnamon for flavor
Instructions: