2. It’s a Complete Protein
Yes, nutritional yeast is a complete protein, which means that half (or 9) of the 18 amino acids within this yeast are not produced by the body. This makes it a boon for vegans and vegetarians, who often need a little help boosting their protein intake.
And because nutritional yeast is a plant-based protein, it’s likewise safe for those with milk allergy, milk intolerance, or those who simply don’t eat enough animal and dairy proteins in their diets.