Gastrointestinal Health: Black cardamom has been traditionally used to improve digestion and alleviate gastrointestinal discomfort. It may stimulate the secretion of digestive enzymes, enhance gastric motility, and provide relief from conditions like indigestion, bloating, and flatulence.

Respiratory Health: The essential oils present in black cardamom have expectorant properties, which may help in the management of respiratory conditions. It can aid in loosening mucus and reducing congestion, making it beneficial for coughs, bronchitis, and other respiratory ailments.

Anti-inflammatory and Antioxidant Effects: Black cardamom contains compounds with potential anti-inflammatory and antioxidant properties. These properties help reduce inflammation and oxidative stress in the body, which may contribute to overall health and well-being.

Oral Health: Chewing on black cardamom seeds or using cardamom oil in oral care products may have antimicrobial effects, promoting oral health by inhibiting the growth of bacteria associated with dental issues such as cavities and bad breath.

Diuretic Properties: Black cardamom is believed to possess diuretic properties, which may increase urine production and promote the elimination of waste products from the body. This may be beneficial for detoxification and kidney health.

Antimicrobial Activity: Studies have shown that black cardamom extracts exhibit antimicrobial activity against various strains of bacteria and fungi. This suggests its potential in combating infections caused by these microorganisms.

Anticancer Potential: Preliminary studies indicate that black cardamom may have anticancer properties. Its bioactive compounds, such as flavonoids and terpenoids, have shown potential in inhibiting the growth of cancer cells and inducing apoptosis (programmed cell death) in certain cancer types. However, further research is needed to validate these findings.

It's important to note that while black cardamom shows promise in these areas, more extensive scientific research is required to fully understand its medicinal benefits, optimal dosage, and potential interactions with medications. As with any herbal remedy, it's advisable to consult with a healthcare professional before using black cardamom for medicinal purposes.

Reference 

Bhutan Flora