The omega-3s present in herring are beneficial for cardiovascular health. They can help reduce the risk of heart disease by reducing triglyceride levels, lowering blood pressure and reducing inflammation. Harengs are also rich in vitamin D, which is important for bone and immune health. The vitamin of helps to absorb calcium and phosphorus, which maintains solid bones and teeth. Vitamin B12 is also present in large quantities in herring, which is important for the production of red blood cells and the maintenance of a healthy nervous system. Herring also contain proteins, which are necessary for the growth and repair of muscle tissues. Finally, herring can be beneficial for weight loss due to their high protein content, which can help reduce appetite and increase the feeling of satiety.