Ashwagandha is an herb which do have a property of antistress, and keeps heart healthy, if you take ashwagandha along with Sudh Shilajit then it will gives you vitality and vigour apart from reliving stress.
One more herb which is good for making yourself energetic is Spirulina. spirulina is an algae, which do have richest soure of protien, vitamins, minerals and provides 18 amino acid out of 22 a body requires a day- benifits- reduce bad cholesterol,
eye care, skin care, keeps body energetic, increase hemoglobin level, reduce cancer chance, and several other benifts . It is only a vegetarian source were you are geting vitamin b-12.