Spelt contains higher levels of protein, manganese, niacin, thiamine, copper & vitamin B2 than regular wheat. It is also high in fibre which helps reduce “bad” cholesterol levels. Spelt contains less gluten than regular wheat , so it's easier to digest.
Sourdough is more digestible than standard loaves and more nutritious too. Lactic acids make the vitamins and minerals in the flour more available to the body by helping neutralise the phytates in flour that would interfere with their absorption.