mantras are an extremely potent tool.
do them several times a day.
the most famous one is OM
but its is actually AUM
if sung it is EEEEUUUUMMM
AUM is a bija mantra. a mother mantra.
there are 7 main bija mantras
LAM
VAM
RAM
YAM
HAM
AUM
ANG
then there is the AUNG which is a mantra that can get you into samadhi.
What do Mantras do? they do two things.. one is they relax your body .. like a massage
frome the inside releasing old stuck energy.
the second is they charge your water and energy body positively by harmonizing your frequencies