Liv.52 is a proprietary herbal formula developed by the Himalaya Drug Company and is marketed as a liver tonic. It is claimed to support liver function, protect the liver from harmful toxins, and promote liver cell regeneration. The main ingredients in Liv.52 include several herbs such as Capparis spinosa, Tamarix gallica, and Picrorhiza kurroa, among others. It is commonly used in India and other countries as a dietary supplement for liver health. However, it is important to note that the efficacy of Liv.52 has not been scientifically established and it is always advisable to consult with a healthcare professional before taking any new supplement.