Ashwagandha is a medicinal herb with rich history of treating many ailments in Ayurveda. It is known with various names in various parts of India such as Asgand , Asvagandhi and as Withania somnifera in scientific terms. It is an medicinal herb.
Ashwagandha is known as a cure for depression and anxiety in Ayurveda because it enhances activity of acetycholine in our brain. Acetycholine is a kind of neurotransmitter and neurotransmitters are medium to communicate one message from one brain cell to another and acetycholine is particularly involves in memory, learning and attention seeking process. It also soothes and calms other neurotransmitter which eventually works as stress reliever and anti anxiety agent and memory booster for us.
It also has strong adaptogenic properties, this adaptogenic quality helps our body to adapt easily towards environmental as well as psychological stress, and it also supports body systems such as nervous, immune and hormonal system to maintain a balance among them.
Ashwagandha has also shown antioxidant properties and it reduces free radicals in our body which works as anti ageing agent. It has also been observed that a group consuming Ashwagandha consistently witnessed a significant improvement in hemoglobin, red blood cell count, hair melanin, and seated stature.
Substances present in it, also helps to decrease blood glucose level and serum cholesterol which eventually helps to prevent from cardiovascular problems and improves Hematopoiesis which is the process to create new blood cells to replace those that are aging, and it also involves developing immature cells. Ashwagandha all together improves immune system and generate a sense of well being.
Reference: Alternative Medicine Review, Volume-9, 2004