NATURA BUCKWHEAT NATUR 250 G: In terms of its vitamin content, it can be said that buckwheat is a very valuable source of vitamins, as it contains almost all members of the B vitamin group. Its content of tocopherol (vitamin E), riboflavin (vitamin B2) and thiamine (vitamin B1) is significant. In addition to these nutrients, it also contains biological substances with beneficial physiological effects. Examples include certain antioxidant flavonoids and rutin (vitamin P or anti-permeability factor), which is an excellent medicine for capillary bleeding and health damage caused by radiation therapy.