The 23 Best High-Protein Foods, According to a Dietitian

19) Natto

If you like tempeh, you will also enjoy natto, a food made of fermented soybeans. It is a typical breakfast in Asian countries, especially Japan. The flavor in natto is nutty and somewhat earthy, and bitter. It is a source of gastrointestinal health because it contains Bacillus strains that will contribute to your gut microbiota.

100 grams of natto contain close to 18 grams of protein. Like other foods made of soybeans, the protein in natto is high-quality. It includes all 9 essential amino acids, making it a suitable replacement for the usual meat in a vegan diet. Additionally, you get up to 84% of your daily recommendation of iron and more than half of your daily recommendation of copper and magnesium in one single serving.