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The Best 15 Sources of Plant-Based Protein

Seitan (1 ounce = 21 grams of protein) M. Cornelius/Shutterstock Seitan is a popular plant-based protein source made from gluten. When cooked it looks similar to meat and even has a meat-like texture. One ounce contains 21 grams of protein. This source of plant-based protein also contains small amounts of iron, calcium, and phosphorous. Seitan… Read More »