The Surprising Health Benefits Cod Liver Oil

2. Source of Vitamin D

Vitamin D deficiency can lead to low moods, feelings of depression, and lethargy. Plenty of exposure to natural sunlight can help your body receive Vitamin D. Cod liver oil can also contribute to the levels of this essential nutrient in your diet. In fact, a single teaspoon contains your entire daily recommended allowance of Vitamin D.

Vitamin D functions almost like a regulatory hormone in your body, controlling anti-inflammatory responses and neural communication. Although many factors contribute to your body's ability to regenerate cells and maintain healthy organs, deficiency of vitamin D can inhibit healthy cell rejuvenation. This expresses itself through poor health, dull skin, and feelings of tiredness.