Answer:
According to the given situation, the diet of Dylan lacks Vitamin B12. It is an essential nutrient that is not found in any plant source of food. It is mainly found in animal sources of food like fish, meat, beef, milk and dairy products. It is an essential nutrient that is involved in the development of red blood cells, and proper functioning of brain.
The nutrient that is difficult to obtain naturally from a vegan diet is vitamin B12.
A vegan diet is a diet which consists of only plant-based foods and no animal food sources.
Vitamin B12 is an essential nutrient which is not found in plant-based foods.
Therefore, the nutrient that is difficult to obtain naturally from a vegan diet is vitamin B12.
Learn more about vegan diet at: https://brainly.com/question/10668914
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