The nutrition of black soybean milk is more comprehensive than that of soybean milk. The research shows that black soybean has the characteristics of high protein and low calorie, and its protein content is as high as 36%-40%, which is equivalent to twice the meat content, three times that of eggs and 12 times that of milk. It is rich in 18 kinds of amino acids, especially 8 kinds of acids necessary for human body, which is higher than the high protein standard stipulated by FDA. Black beans also contain 19 kinds of oils and fats, the unsaturated fatty acid content is 80%, and the absorption rate is over 95%, which can not only meet the human body's demand for fat, but also reduce blood cholesterol. Because black beans basically contain no cholesterol, but only phytosterol, which is not absorbed and utilized by human body, can inhibit the absorption of cholesterol by human body and reduce the content of cholesterol in blood.

Therefore, eating black beans often can soften blood vessels, moisturize skin and delay aging, especially for hypertension, heart disease, liver and animal diseases. Three steps of soybean milk health care: cleaning-nourishing-dietotherapy. Cleaning: remove stool and toxins in the body. Nourishing: reasonably and comprehensively supplement nutrients, enhance immunity and prevent diseases.

Dietotherapy: Adjuvant dietotherapy can nourish and strengthen the body, prevent obesity, detoxify and beautify the face, prevent and suppress cancer, lower cholesterol, lower blood fat and sugar, clean the stomach and prevent constipation. For women, it has obvious slimming and body shaping effect, because soybean milk contains phytoestrogen-isoflavone, which is missing in milk, and has a two-way regulation effect on estrogen in human body. More unique dietary fiber for detoxification and beauty, and slimming function. Black soybean milk is sweet and fragrant: it comes from nature and is delicious, far exceeding ordinary soybean milk. It is an epoch-making natural nutritious and healthy drink.

Data show that black beans are rich in nutrients, including protein, fat, carbohydrates, vitamin B 1, B2, niacin, carotene, calcium, iron, potassium and other minerals. The protein content of black beans is particularly rich, higher than that of meat, eggs and milk, and it is known as the "king of plant egg whites".

It is recorded in Compendium of Materia Medica and important ancient pharmacopoeia that black beans have the functions of beautifying face and prolonging life. Therefore, since the Tang Dynasty, China has often used natural black beans as ingredients in the court to make various imperial treasures for the emperors and princesses to eat. It is said that Yang Guifei, one of the four beauties in ancient China, usually keeps young and beautiful with black beans.

The nutritional value of black soybean milk is also very high. Besides most nutrients of soybeans, it also contains "chromium", which can adjust blood sugar metabolism, so it is still suitable for diabetics. Moreover, black bean is a warmer food in traditional Chinese medicine, which is especially suitable for deafness due to yin deficiency of liver and kidney, and black bean soybean milk is also suitable for women with deficiency cold or anemia during menstruation.