Tulsi (Holy Basil), which has strong immunomodulatory, anti-inflammatory, antioxidant, and antimicrobial qualities, is added to Tulsirev Drops, a natural herbal formulation. It is intended to strengthen the immune system, encourage respiratory health, and guard against common seasonal illnesses like the flu, colds, coughs, and sore throats. Both adults and children can safely use Tulsirev on a daily basis.