In Hindu mythology, Lord Vishnu is one of the Trinity (Brahna, Vishnu and Mahesh). And considered the greatest preserver of the universe, he sustains the life of the whole universe.

Chanting Vishnu mantra is supposed to give health, wealth and protection.

mantra:

“Om Namo Bhagavate Vasudevaya.”

Vishnu Gayatri mantra

"Om Narayane Vidmahe Vasudavaye Dhimahi Tanno Vishnu Prachodayat."

For Vishnu Sahasranama –>