Take one dropper (dropper will be 1/4-1/2 full) can be added to juice or water. 
Suggested use, one dropper in the morning. If needed can increase after a week. 
Ashwagandha is a prime remedy for managing stress and the anxiety that often generates. 
It will improve cognitive and mental performance when under pressure. It is particularly helpful with sustained stress and depleted immune functions. The term adrenal exhaustion sums up a situation were turning to Ashwagandha is likely to be most helpful. 
It is also used for chronic insomnia, constant infections and immune weakness and long-term hot flashes in menopause, all conditions emerging from a depleted state. 
It’s most widely used for upset or deficient digestion, particularly in countering, nausea and vomiting. 
There are likely to be hormonal benefits, as well,  as to the adrenal cortex. It has long been used for thyroid problems, both hyper and hypo. 
One of it most persistent reputations now supported by clinical research, is increasing male fertility, and there are also some evidence to show increase libido in both sexes. 
Warnings: talk to your physician before taking any remedies to check for drug interactions, patients with severe liver disease, such as liver cancer should not take. Avoid if the patient is regularly taking her acetaminophen (Tylenol)