There are some toxic substances and antinutritional factors in flaxseed, such as antivitamin B6 factors and cyanogenetic glycoside, Which limit the application of flaxseed.

亚麻籽中毒性物营养因子（如生素B6因子、生氰）的存在，尤其是生氰的毒性限制了亚麻籽的使用。