It can't be eaten.

Bird's nest, if it has passed the shelf life, most of them have undergone deterioration reaction, because bird's nest contains a large amount of protein and carbohydrates, which are more prone to mold and mildew, if the bird's nest has already had long mold spots, mildew, decay and other conditions, then such bird's nest is not recommended to continue to eat,

Because of which a large number of harmful bacteria have been produced, the human body may be consumed after the abdominal pain, The human body may experience a series of gastrointestinal reactions such as diarrhea, vomiting, and even adverse effects on other organs after consumption.

Expanded Information;

Benefits of Bird's Nest

1, Remove Lung Dryness: Many men who smoke have unclean lungs, and the polysaccharide antibody vitamins contained in bird's nests can enhance immune function, and long-term consumption of bird's nests can moisturize the lungs. It can be said that bird's nest is a good choice for smoking men to remove smoke dryness. Eating bird's nest can even make one's skin smooth, elastic and shiny, thus reducing wrinkles in men.

According to some men who ate bird's nest, they said that after eating bird's nest for 2---3 months, they obviously felt that their lungs were refreshed and comfortable, and their skin was much better. It is recognized by the medical science above as having medicinal value such as nourishing Yin and nourishing skin, relieving cough and asthma, and tonifying the kidneys and vital energy.

2, restore energy: Many men are busy at work or stay up late at night to work overtime, easily fatigued and with lowered immunity. At this time, eating some bird's nest properly will help men to recover their energy and enhance their body resistance.

3, improve skin quality : Bird's nest in the rich active protein and collagen can improve men's skin, enhance skin elasticity, so that men are hale and hearty, show confidence charm.

People's Daily Online - Men Eat Bird's Nest with 6 Benefits How to Eat Bird's Nest is More Nutritious

Baidu Encyclopedia - Bird's Nest