Bay leaf (also known as laurel) is a spice commonly used to flavor soups and meat dishes for its light, herbal flavor. It is sometimes sold in stores in a powder or as a fresh leaf. 
It adds minimal calories to your food while boosting the amount of fiber, vitamins, minerals, and antioxidants.
Some notable health benefits of bay leaf include:
Immune system health. Bay leaf is a good source of vitamin A, vitamin B6, and vitamin C. These vitamins are all known to support a healthy immune system.