Natto is a Japanese superfood made from fermented soybeans using Bacillus subtilis bacteria. This low-calorie food packs protein (19g per 100g), fiber, probiotics, and key nutrients like vitamin K2 (menaquinone), iron, magnesium, and zinc. Fermentation boosts bioavailability, reduces antinutrients, and creates nattokinase—a powerful enzyme that supports heart health by dissolving blood clots and lowering blood […]