Tulsi is rich in minerals like calcium and iron. It also has small amounts of manganese, potassium and magnesium. He extremely rich in vitamin K and it has a good amount of vitamin A and a small amount of vitamin C and folate. Tulsi promotes cardiovascular health, protects the body at a cellular level, protects against unwanted bacterial growth and cures respiratory disease like colds, cough and congestion. Tulsi also reduces respiratory problems like asthma.