The nicotine content in a BC5000 elf bar varies depending on the flavor, but the average is around 3.5% nicotine by volume. This is considered a low nicotine content compared to other types of nicotine products. However, since elf bars are intended to be used as a smoking alternative, it is important to use them responsibly and follow the directions provided by the manufacturer. Elf bars are not intended for use by individuals under the age of 18.