Tulsi Beej, Ocimum tenuiflorum, commonly known as holy basil, tulasi or tulsi, is an aromatic perennial plant in the family Lamiaceae. It is native to the Indian subcontinent and widespread as a cultivated plant throughout the Southeast. Helps in Weight Loss. Reduces Body Heat. Controls Blood Sugar Levels. Relieves Constipation and Bloating. Treats Acidity and Heartburn.