The type of external conditions which make it essential to supplement glutamine would broadly speaking be physical and mental stressors which can be anything from a hard training session, to an illness, lack of sleep or just having a stressful period in your personal life. It is often the case that when we run ourselves down that we fall ill and this is in no small way down to the fact that glutamine has a vital role to play in your immune function.

Athletes will want to supplement USN's Pure Glutamine for the simple reason that their training efforts take a toll on the body with glutamine being depleted rapidly under intense exercise. By using USN Pure Glutamine around your training session in particular but even at other points through the day you can not only help provide a key ingredient of a healthy body and mind but also help ensure that your training is supported.