👉 Metopias, in the context of medicine and physiology, are a group of substances that are responsible for regulating the body's metabolism. Metopias are typically found in the digestive system and regulate the activity of enzymes involved in digestion. Metopias can be divided into two main groups: monoamines (such as serotonin) and b族维生素 (such as B vitamins). The role of metopias in metabolism is complex, but they play a crucial role in regulating mood, appetite, and