1. Black beans belong to soybeans and are rich in nutrients, including protein, fat, carbohydrates, carotene, vitamin B 1, B2, nicotinic acid, crude fiber, calcium, phosphorus and iron.

2. Black rice is a kind of rice used for both medicine and food, belonging to glutinous rice. Rich in nutrition, containing protein, carbohydrates, B vitamins, vitamin E, calcium, magnesium, iron, phosphorus, potassium, zinc and other nutrients;

3. Black sesame belongs to the black seed of flax. Rich in nutrition, containing a lot of fat, protein, sugar, vitamin A, vitamin E, lecithin, calcium, iron, chromium and other nutrients;

Indications: tonifying kidney and essence, nourishing blood and moistening intestines, stimulating appetite and benefiting middle warmer, strengthening spleen and warming liver, improving eyesight, promoting blood circulation, caring skin and delaying aging.