Dietary Supplement For Respiratory Support Black cumin is an annual flowering plant native to the Mediterranean. Preclinical research suggests that the oil from black cumin seeds may help support a healthy respiratory system, along with healthy intestinal function. Additional clinical research has demonstrated that black cumin seed oil at the dose provided by this product supports cognition and a healthy memory. Black cumin seeds are a traditional ingredient in Ayurvedic medicine and are commonly used in Asia, Africa, and the Middle East as a general tonic.