Flax seeds are small oil seeds that contain omega-3 fats, fiber, and other plant compounds. They may help improve digestion and reduce the risk of heart disease, type 2 diabetes, and cancer.Flax seeds (Linum usitatissimum) — also known as common flax or linseedsThey’re easily incorporated into your diet — grinding them is the best way to make the most of their health benefitsFlax seeds are made up of 29% carbs — a whopping 95% of which is fiber.This means that they’re low in net digestible carbs — the number of total carbs minus the amount of fiber — making them a low-carb food.Flax seeds are made up of 18% protein. Their amino acid profile is comparable to soybeans.Flax seeds are a good source of several vitamins and minerals needed for optimal health. These include thiamine (vitamin B1), copper, molybdenum, magnesium, and phosphorus.Flax seeds are high in several plant compounds, including p-Coumaric acid, ferulic acid, cyanogenic glycosides, phytosterols, and lignans. In particular, the last two have been linked to various benefits.