Well, linseed is the same thing as flax: https://en.wikipedia.org/wiki/Flax https://en.wikipedia.org/wiki/Flax So linseed oil is flaxseed oil, the question is

Well, linseed is the same thing as flax: https://en.wikipedia.org/wiki/Flax https://en.wikipedia.org/wiki/Flax So linseed oil is flaxseed oil, the question is only if the process of extracting it is food-grade.