Flaxseeds are a great source of dietary fiber, plant-based protein, and minerals such as manganese, thiamine, and magnesium. It has omega-3 fatty acids called alpha-linolenic acid or ALA, that's good for the heart. Its lignans provide antioxidants for anti-aging, hormonal-balancing, and cellular-regenerating. Also considered as "phytoestrogens", it can help regulate estrogen metabolism in the body.