For example, if a flu drug that is used most often in addition to the treatment it is recommended to buy vitamin c added, instead of saying, is to strengthen the immune system of the body.
In addition, if it is a drug used to treat flu, it is recommended to buy vitamin C increases instead told to exercise to strengthen the body's immune system.
As if a cold often in addition to medication, it is recommended to buy vitamin C increase instead of telling exercises to strengthen the immunity of the body.