Final answer:
Fish, particularly salmon, trout, and tuna, are excellent sources of omega-3 fatty acids, essential for heart health and reducing inflammation.
Step-by-step explanation:
The best source of omega-3 fatty acids among the provided options is D. Fish. Omega-3 fatty acids are vital for our health, playing a crucial role in brain function and heart health. Fatty acids such as alpha-linoleic acid (ALA), eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA) belong to this class of polyunsaturated fats.
Particularly, salmon, trout, and tuna are rich in omega-3 fatty acids and are known to provide numerous health benefits, including reducing the risks associated with heart attacks, lowering blood pressure and triglyceride levels, as well as decreasing inflammation which may reduce the risk of certain cancers.