On average, it takes about one hour for your body to break down one unit of alcohol. However, this can vary, depending on: 1  your weight. 2  whether you're male or female. 3  your age.  how quickly or slowly your body turns food into energy (your metabolism)
Because cod liver oil contains quite a bit of vitamins D and A, it is also possible that side effects can occur due to toxicities from either of these vitamins. There is some concern that long-term use of cod liver oil could increase the risk of skin cancer.
1 Fish liver oils, such as cod liver oil, are not the same as fish oil. 2  Fish liver oils contain vitamins A and D as well as omega-3 fatty acids. 3  Both of these vitamins can be toxic in large doses. 4  The amounts of vitamins in fish liver oil supplements vary from one product to another. Fish liver oils, such as cod liver oil, are not the same as fish oil. 2  Fish liver oils contain vitamins A and D as well as omega-3 fatty acids. 3  Both of these vitamins can be toxic in large doses. 4  The amounts of vitamins in fish liver oil supplements vary from one product to another.