Spelt is one of the oldest cultivated grains an ancient cousin of wheat it is high in fibre has a higher content of protein and vitamins than wheat and although not gluten free spelt can be tolerated by some people with wheat allergies spelt is one of the oldest cultivated grains an ancient cousin of wheat it is high in fibre has a higher content of protein and vitamins than wheat and although not gluten free spelt can be tolerated by some people with wheat allergies