The DGE (German Nutrition Society) recommends a daily intake of 0.5% of total energy intake of alpha-linolenic acid.An adult person achieves this with about 10.0 g to 17.5 g of canola oil, which is equivalent to 1 to 1.5 tablespoons, or with about 1.8 g to 3.1 g of linseed oil, which is equivalent to about 1 teaspoon.