Essential fatty acids, such as omega-3 fatty acids, must be obtained from the diet as the human body cannot synthesize them. They are categorized as polyunsaturated fatty acids and are not energy-yielding nutrients.
Essential fatty acids are fatty acids that must be obtained from the diet because they cannot be synthesized by the human body. Polyunsaturated fatty acids, like omega-3 fatty acids, fall into this category. They are not energy-yielding nutrients and must be supplied by the diet.
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