Arginine IV is a nutrient IV drip delivering the amino acid the body uses to widen blood vessels. The account given is that wider vessels increase the oxygen and nutrition in circulation. It is sometimes linked to exercise capacity or growth hormone, but in Korean clinics general condition is the main purpose.

Once a week is recommended. Fatigue eases somewhere between one and four weeks, because it builds up with repetition rather than changing your condition in a single session. As you feel better the interval widens, and during a demanding stretch it may be shortened.

Delivering it fast is a burden, so it goes in slowly over thirty minutes or more. A large amount arriving at once can cause facial flushing or stomach discomfort. Repeated high doses need a consultation, and it matters to tell the clinic about any conditions and medications beforehand.