Ajwain (Trachyspermum ammi) is a well known herb that grows across India. Its seeds (fruit) have been used in ayurveda.

Amalaki (Emblica officinalis) is well known rasayan of ayurveda. 

Amritoj powder is a mixture of rock salt, sea salt, sodium bicarbonate, and sharkara (glucose). 

Antamul (Tylophora asthmatica) is a well known drug of ayurveda.

Antivir Tablet is a Multi‐drug ayurvedic formulation. 

Arjuna (Terminalia arjuna) is a widely used remedy in ayurveda. 

Ashoka (Saraca indica) is a well known medicinal tree. 

Ashwagandha (Withania somnifera) is a widely known rasayan of ayurveda having many useful actions. Its roots are used for medicinal purposes.