Shilajit is one of the Maharasa (classified drug) mentioned in classical texts. The first reference of Shilajit in classified text Charaka Samhita states that "metals like gold and others present in the rocks which receive heat and exudate is called Shilajit ". It is most important drug of Ayurveda and Folk medicine system. Shilajit is a sticky exudate from rock layers in high altitude zones of mountains, particularly in the rocks of Himalayas. It is formed by organic and plant compounds that have been compressed by layers of rock and slow decomposition of plants over centuries. As a result of a high temperature and pressure, the compounds can change into Shilajit. When layers of the material resurface, the sun's heat on the mountain slopes can cause material to seep out of rock cracks. It can be collected. The composition of Shilajit largely depends on the type of plants associated with the rocks. Shilajit is pale brown to blakish brown in color and bitter in taste and it's smell resembles cow's stale urine. In Ayurvedic texts, it is called as Shilajatu or Silajatu but is commonly known as Shilajit.

Shilajit is an exudate from mountains. This occurs due to intense sunlight. This is the best natural exudate obtained and used in various Ayurvedic formulations. It is having herbal as well as minerals so it is one of the top rated antioxidants. It is used since 5000 years as a potent antioxidant and for treatment of various metabolic disorders. So, it is natural but Ayurveda Ancient Scholars has adopted it and extensively used alone or in polyherbal as well as herbo-mineral formulations.

Shilajit works well on urinary system disorders , it is a good aphrodisiac , treats infertility issues . useful to increase the sexual stamina . it is used in low libido , menopausal syndrome . it boosts energy , antioxidant .

Shilajit is an ingredient used in most of the ayurvedic formulations used to treat urinary tract and urogenital disorders. It is purely Ayurvedic ingredient mentioned in all most all the ancient Ayurvedic literatures. Some of local vendors and others are selling other resins in the name of Shilajit which may not have any medicinal properties, therefore it should be used after proper identification as mentioned in Ayurveda.