OverviewAlcohol is considered a macronutrient in that it provides energy (about 7 calories per gram). The equivalent of a 1-ounce shot of liquor is approximately 80 to 90 calories.
Update Date 2/9/2013
Updated by: David B. Merrill, MD, Assistant Clinical Professor of Psychiatry, Department of Psychiatry, Columbia University Medical Center, New York, NY. Also reviewed by David Zieve, MD, MHA, Bethanne Black, and the A.D.A.M. Editorial team. Editorial update 11/11/2014.