This group comprises all products acting on the alimentary tract and metabolism which cannot be classified in the preceding groups. V03 - All other therapeutic products, should also be considered.
Nutrients are classified in V06 - General nutrients.

Agents used in various metabolic deficiency states are classified here, when this is considered to be the main indication e.g. levocarnitine. Tryptophan and oxitriptan are classified in N06A.
Metreleptin used for treatment of complications of leptin deficiency in patients with generalised lipodystrophy is classified in this group.
Glutamine for treatment of sickle cell disease is classified here.