Himalaya Tulasi Tablet is an ayurvedic cough and cold capsules that contains Tulasi. Tulasi is a plant that is a natural antimicrobial agent. Tulasi capsule is prescribed as a stop cough suppressant and clear up the airways. It works by allowing mucus to move around the nasal passage while the immune system is strengthened. People who have diabetes or high blood pressure should consult with their doctors about whether or not this is suitable for their needs.