Navayasa Lauha is a herbo metallic preparation (Lauha kalp) which is in practice right from the time of Samhita period. It is widely used hemetenic agent (Panduhara) apart from its other indications in Kushta,Kamala, Prameha pidika, Shotha etc. In the present study details' regarding Navayasa Lauha has beencompiled from 45 Ayurvedic texts. On exploring the formulation it is came across that this formulation is either mentioned by same nomenclature but different composition or different nomenclature withsame composition. In this study, various forms of Navayasa Lauha have been explored out based on above facts. Apart from this other related issues like different views about formulation as a whole, (Trituration drugs), Mode of administration i.e. Dose (Matra), Duration and Anupana (Vehicle) used as well as the various ailments in which it is indicated by Ayurvedic seers has also been compiled in this study. 

Keywords: Lauha , Herbomineral, Panduroga