1, black beans can nourish the liver and kidneys, and the health of the liver and kidneys is very helpful for improving eyesight.

2, black beans can relieve eye fatigue and also help prevent vision loss.

Because black beans are rich in antioxidant components - anthocyanin and eye-friendly vitamin A. Among them, aged vinegar can promote the dissolution of nutrients in black beans, which helps to efficiently ingest nutrients.

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Besides helping to inhibit vision loss, black beans in vinegar are also effective in treating chronic fatigue, chills, shoulder aches, high blood pressure, and high cholesterol, which are the most common ailments that people who work in offices are prone to.