In most US states, methylated alcohols, along with most household cleaners and automotive fluids, are required to contain substances like bitrex to make them so

In most US states, methylated alcohols, along with most household cleaners and automotive fluids, are required to contain substances like bitrex to make them so extremely unpalatable that the risk of consumption is negligible. In some countries in Europe, denatured alcohol is required by law to not contain any methanol (thus raising its price) and is denatured only by bitrex, which has no health risks beyond its flavor.