Japanese green tea offers numerous health benefits due to its minimal processing that retains nutrients and antioxidants. Drinking it daily can boost metabolism, enhance brain function, support heart health, strengthen the immune system, and aid in detoxification. Proper brewing involves steeping loose-leaf tea in hot water for a few minutes without sugar or milk.Japanese green tea offers numerous health benefits due to its minimal processing that retains nutrients and antioxidants. Drinking it daily can boost metabolism, enhance brain function, support heart health, strengthen the immune system, and aid in detoxification. Proper brewing involves steeping loose-leaf tea in hot water for a few minutes without sugar or milk.