The health benefits of cassia essential oil can be attributed to its properties as an anti-diarrhea, antidepressant, anti-emetic, anti-galactagogue, antimicrobial, anti-rheumatic, anti-arthritic, astringent, antiviral, carminative, circulatory, emmenagogue, febrifuge, and stimulant substance.
What is Cassia Essential Oil?
The essential oil of cassia is derived by steam distillation of its leaves and twigs. The bark may also be used sometimes to extract the oil. The scientific name of Cassia is Cinnamomum cassia. It is also known by two other botanical names, Laurus cassia and Cinnamomum aromaticum.
This evergreen tree is native to China and Burma and is commonly known as Chinese cinnamon. Its bark is actually used to flavor food and beverages, just like original cinnamon. The chief constituents of the essential oil of cassia are benzaldehyde, chavicol, cinnamic aldehyde, cinnamyl acetate, and linalool.
Health Benefits of Cassia Essential Oil
Chinese healers knew the medicinal uses of cassia far back in history. It is believed that it is from them the medicinal uses of this plant spread to other parts of the world.
But what are these medicinal uses? Let’s explore them in greater detail below.
May Help Treat Diarrhea
The essential oil of cassia may have various benefits on the digestive system and being an anti-diarrhea agent is one of them. It can be used to bind the bowels and stop diarrhea episodes. Being an antimicrobial agent, it may also treat diarrhea caused by the microbial action. It may inhibit the microbial growth and help stop diarrhea from occurring thanks to its content of fiber, which binds loose stool into healthy bowel movements. 
May Be An Antidepressant
The effect of this essential oil may fight depression, uplift mood, and induce warm feelings in the body and mind.
May Have Anti-emetic Properties
This oil can be used to treat nausea and to stop vomiting. It may induce a refreshing feeling and drives away feelings that bring on nausea and vomiting. 
May Be Anti-galactagogue
Cassia essential oil may reduce the secretion of milk and is, therefore, not recommended for lactating mothers.
May Relieve Rheumatism
Being a circulatory and a stimulant substance, cassia essential oil may help improve blood circulation and bring warmth to the joints and other parts of the body affected by rheumatism and arthritis, thus giving relief from these uncomfortable conditions. 
May Inhibit Microbial Growth
The essential oil of cassia may inhibit microbial growth and protect from microbial infections. This property might be useful for inhibiting microbial infections in the urethra, colon, kidneys, urinary tracts, and other parts of the body. 
May Act As An Astringent
This property of the essential oil of cassia may do a lot of good. It might strengthen gums and hair roots, tighten muscles and lift the skin. It may also help stop hemorrhaging by contracting blood vessels. 
May Boost Circulation
Cassia essential oil may improve the circulation of blood and thereby facilitates the proper distribution of nutrients and oxygen to all the body parts. This property may also be beneficial in fighting rheumatism and arthritis.
May Prove To Be Antiviral
Cassia essential oil may be effective in countering viral infections and might give sound protection from cold and cough, influenza and other viral diseases. 
May Be An Emmenagogue
The essential oil of cassia may help relax menstrual cramps and open obstructed menstruation paths. This might also give relief from symptoms such as headaches, nausea, and drowsiness that are commonly associated with menses. 
May Be Febrifuge
Being an antimicrobial and antiviral agent, cassia essential oil may help fight the infections causing fever and thus helps lower body temperature. The circulatory property of this oil might also help boost the immune system of the body. The warming effect of this oil may give relief from the fever as well. 
May Act As A Potential Stimulant
Cassia essential oil may help stimulate bodily functions, namely, metabolism, secretions, discharges, circulation and also the nervous system and the brain, thereby helping to be more active and alert.
May Be Carminative
Cassia essential oil may provide relief from gases forming in the intestines and drives them out of the body. It might also stop the further formation of gases. 
Cassia essential oil can be used to treat uterine hemorrhaging and other internal and external hemorrhaging due to its astringent properties. It may also cure the loss of libido and sexual disorders such as frigidity and impotence, as well as heals digestive disorders, flatulence, colic, stomach disorders, headaches, and general body pain.
Recent research may suggest that Cinnamomum  cassia oil has the potential to be used as a natural antibacterial agent in the food industry.
Word of Caution: It may produce irritation and sensitization on the skin and in the mucous membrane, so it should be avoided during pregnancy.
Blending: The essential oils of balsam, black pepper, caraway, chamomile, coriander, frankincense, ginger, geranium, nutmeg, rosemary, and some citrus oils blend well with the essential oil of Cassia.