Ans. a. Terminalia Arjuna Terminalia Arjuna (An ayurvedic cardioprotective botanical) Although many Ayurvedic plants have shown to help coronary aery disease, Arjuna (Terminalia Arjuna) by far seems to be the best plant for hea health. Terminalia arjuna is a traditional ayurvedic plant containing tannins, triterpenoid saponins (arjungenin, arjunglucosides), flavonoids (arjunon, arjonolone), phytosterols, oligomeric proanthocyanidins (OPC's), calcium, magnesium, zinc, and copper.