It's red

(a) The nutritional value of 1 in 1,000 pieces is rich in protein, and tofu protein is full protein, not only containing 8 amino acids necessary for the human body, but also in a proportion close to the human needs and of high nutritional value; and 2 containing egg phosphorus is capable of removing cholesterol attached to the vascular wall, preventing vascular sclerosis, preventing cardiovascular disease and protecting the heart; 3. Complementing calcium with a variety of minerals, preventing osteoporosis due to calcium deficiency and promoting bone development, which is extremely beneficial to the growth of the bones of children and the elderly。