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.
In laboratory settings, cod liver oil has shown benefits for improving gastric ulcer healing and reducing gastric antisecretory effects observed in rats. The oil also seems to produce gastric cytoprotective effects and causes a significant reduction in the development of stress and pain caused by gastric ulcers.