The exact time varies from person to person. Oysters are tender, slightly fishy and have a unique taste. But also rich in protein, vitamins, amino acids, glycogen, taurine, zinc, copper, calcium, iron, magnesium and other nutrients, and has the effects of nourishing yin and blood, calming the nerves and calming the mind. However, because everyone's physique is different, the degree of absorption of nutrients is also different, so it is impossible to specify the specific effective time. Moreover, oysters are just a kind of food, which can't directly replace drugs. The curative effect is very limited, and it usually takes a long time to take effect.

Although oysters have high nutritional and medicinal value, they should not be eaten in excess. On the one hand, they are cold. If you eat 20 oysters at a time, their coldness may irritate your stomach and cause discomfort such as diarrhea and abdominal pain. On the other hand, oysters are rich in protein, which is a high protein food. If you eat 20 oysters at a time, your stomach is difficult to digest, which may cause indigestion.

The frequency of eating oysters can be determined according to your physical condition. If you are weak and need nourishment, you can eat it every day. If it is only used as food, you can eat it 2-3 times a week. Oysters contain protein, vitamins and other nutrients. Long-term consumption is helpful to supplement the nutrients needed by human body, improve human immunity and be beneficial to health.