Texts: Rasendra Sara Sangraha, Rasa Tarangini, Ayurveda Prakash.
Classical texts state that Rajat possesses Sheeta Virya and acts as a Rasayana and Balya tonic, prescribed to nourish the Majja Dhatu and pacify aggravated Pitta and Vata. Yashad is categorized under Putiloha, with rigorous Shodhana and Marana mandated to transform raw zinc into a bioavailable calx.































