When taken by mouth: Non-alcoholic beer is LIKELY SAFE for most people. Alcoholic beer is LIKELY SAFE for most people when used in moderation. This translates to no more than two 12-ounce glasses a day. Drinking more than this is POSSIBLY UNSAFE.
Wine and beer are both fermented, undistilled alcoholic beverages. Liquors and spirits are distilled alcoholic beverages. They contain more alcohol by volume than undistilled drinks. In general, a distilled alcoholic beverage will have a higher alcohol proof.