Flax Lignan Gold is 20% flax particulate, containing 11 mg of lignans per serving. Current research indicates that lignans have important nutritive and preventive properties. Lignans are phytonutrients (plant compounds) found in high-fiber foods such as grains, legumes, fruits, and vegetables. Flaxseeds are the most abundant source of plant lignans, containing over 100 times more than other common plant sources.