https://www.naturalnews.com/2025-09-09-tempeh-fermented-superfood-packed-with-nutrition-flavor.html
"Tempeh is less processed, as it is made from whole soybeans, while tofu is derived from soy milk. With nearly double the protein and significantly more fiber than tofu, tempeh offers greater nutritional density. Additionally, fermentation breaks down complex sugars, improving tempeh's digestibility and making it gentler on the gut..."