Seitan is a low-carb meat substitute. This muscle building food is made from wheat gluten and water. It’s a rich source of plant-based protein, which will help you to build muscles.
A 100 grams serving of seitan provides you 370 calories, 75.2 grams of protein, 13.8 grams of carbohydrate, 1.9 grams of fat.
Seitan is high in protein but, is very low in lysine, which is an essential amino acid, this makes seitan an incomplete protein.
But you can combine it with lysine-rich foods like lentils, beans, soy sauce, etc. and it will become a complete protein.