A Review on Kanta Loha (Magnetite)

The pharmaceutical branch of Ayurveda, Rasa Shastra goes into great depth regarding how to prepare various metals and minerals for maximum therapeutic benefit. One of the most prominent Rasa Dravyas, Loha (iron) is non-homologous and extremely harmful to the human body. It must be transformed into a homologous form known as Loha Bhasma. Among the Loha, Kanta Loha is considered the best. In this article, the information regarding Kanta Loha, collected from Ayurvedic classics, as well as information regarding magnetite, is also included. The goal of this study was to highlight the Ayurvedic classic references and modern knowledge of Kanta Loha (Magnetite) and its importance. This article contains studies on Kanta Loha that have been published in both index and non-index journals. For acquiring pertinent knowledge, Ayurvedic Samhitas with commentaries and textbooks on Ayurveda and modern medicine are advised. The knowledge on Kanta Loha scattered across Ayurveda has been gathered together for a better understanding of its relevance in the human body through various approaches, as well as its modern elements. According to a critical analysis of these Kanta Lohas, ancient seers administered magnetite in a more acceptable form.