Essential fatty acids are healthy and needed fats that must be obtained through the diet. The major types of EFAs(Essential Fatty Acids) are Omega-3 and Omega-6. These good fats help to compete against the bad trans fats and to raise good cholesterol. EFAs support heart health, immunity, and brain health. A deficiency in EFAs is linked to heart conditions, cancer, depression, diabetes, Alzheimer's, and other health issues. Common sources of EFAs are from flax seed oil and fish oil which are rich in Omega-3.