Halibut fish is known for its nutrient content and potential health benefits. Halibut Liver Oil is a natural source of Vitamins A and D. These two Vitamins play a vital role in promoting general health and contributing to a sense of well-being. Vitamin A plays a vital role in supporting vision, immune function and skin health. Vitamin D is crucial for maintaining strong bones, regulating calcium levels and promoting a healthy immune system. As HealthAid Halibut Liver Oil is naturally sourced, it is virtually free from all impurities and contaminants.