It has a flavour similar to umami soup stock and a characteristic scent similar to seaweed.
The distinctive scent of seaweed and the flavour of soup stock are proof that the tea leaves have been carefully cultivated under strict fertilization control in fields that allow the tea leaves to mature properly.

You can enjoy the rich aroma and flavour by slowly extracting it with a small amount of lukewarm water.
Gyokuro has one of the highest levels of caffeine among drinks, so just drinking a small amount will make you feel sharp.