Ashwagandha is used in Ayurveda in much the same way that ginseng is used in Chinese medicine: to improve vitality and to aid recovery after chronic illness.
Damiana has been used as a tea to help overcome the shyness and self-consciousness. A strong nerve and sexual tonic, it's primary use is to help adults overcome sexual "performance anxiety, libido and anorgasmia. Very effective herb and mostly overlooked for other market hyped products.
Rosemary tonifies the nervous system, improves peripheral circulation, promotes warmth, invigorates the lungs, curbs infection, promotes immunity, and uplifts the spirits.