The wasting syndrome is well known in HIV infected patients. Predomina
nt free fatty mass deletion is achieved. The weight loss results from
decrease of food intake, from gut disorders due to HIV or opportunisti
c infections. Metabolic disorders are reported too. Breakdown of carbo
hydrats and proteins presents energy source. Raised free fatty acid tu
rn over and hypertriglyceridemia are reported. Polyinsatured fatty aci
d level is raised inducing free radicals increase. Free radicals delet
e immune functions (apoptosis). Vitamin a,ld trace element decrease wo
rsen negative effects of free radicals.