The effects of orally administered phytol or ethanol on the metabolism of tritium-labelled tocopherol was studied in 12 sheep fed hay ad libitum. Significantly higher levels of radioactivity were found in the liver, adrenals, rumen tissues, and heart of the two alcohol-treated groups than in the corresponding tissues of the unsupplemented group. In the nontreated sheep specific activities of their blood lipids inclined to be higher than those in the ethanol- or phytol-treated sheep. The higher tritium levels in the livers of the ethanol- and phytol-administered groups may have been related to the reported increase in tocopherol requirement resulting from alcohol-induced stress.