Cod liver oil
A common supplement is cod liver oil. If you don't like fish, cod liver oil can help you get some nutrients that you wouldn't get from other sources.
Cod liver oil is a good source of vitamin D and may help prevent bone loss as you get older. This is because it aids in calcium absorption from the gut, which is essential for healthy bones. It's a great source of vitamin D, with roughly 448 IU per teaspoon (4.9 ml), or 56% of the daily value. It has been used to prevent and treat deficiency in children for many years. Cod liver oil is also an excellent source of vitamin A, providing 150% of the daily value in just one teaspoon (4.9 ml). Vitamin A, on the other hand, can be harmful in large doses. As a result, use caution when using cod liver oil and avoid taking too much. Furthermore, cod liver oil is high in omega-3 fatty acids, which are beneficial to the body.