Popsugar Health & Fitness Diet Tips Low-Carb Vegan Protein Sources I Do CrossFit and These Are the 14 Low-Carb, High-Protein Foods I Can't Live Without 14 September 2018 by Jenny Sugar View On One Page Photo 3 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Seitan Serving size: 2 oz. Calories: 100 Carbs: 7 grams Protein: 15 grams Previous Next Start Slideshow Diet TipsLow-CarbVeganWeight Loss