Other Forms of LignansLignan Lignans are a diverse group of
plant-derived compouds that are the building block for plant
cell walls. Lignans are one of two major classifications of
phytoestrogens; the other class is isoflavonones. Lignans are a
weak form of estrogen that act as an antiestrogen in the body,
competing for estrogen receptor sites. Lignans can be found in
whole grains, seeds, berries, and vegetables. The richest source
of lignans is flaxseed. Lignans are being heavily studied for
role in the prevention of cancer, among many other important
functions, such as antioxidant activities. View Research related
to Lignans. Products containing Lignans Flax Seed Powder 454
Grams Flaxseed Organic Essential Ground 14 Ounces