210 gm of alcohol for men and 140 gm of alcohol in women per week is considered safe limit for drinking, if liver damage is to be avoided. Also know: % of alcohol in different beverages Rum - 50 to 60% Whisky, gin, brandy - 40 to 45% Po, sherry - 20% Wine - 10 to 15% Beer - 4 to 8% Ref: Textbook of Forensic Medicine and Toxicology by Narayan Reddy, Edition 21, Page - 490