Think of the difference in humans between food and water, or food and candy. If a human was dumped in a dimension that only had Altoids, or had plentiful food but no water, they would be in trouble. The fact that they could eat what was there wouldn't matter. Even if they needed and felt nourished by the food, it wouldn't make a difference. They'd still be without water.
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Think of the difference in humans between food and water, or food and candy. If a human was dumped in a dimension that only had Altoids, or had plentiful food but no water, they would be in trouble. The fact that they could eat what was there wouldn't matter. Even if they needed and felt nourished by the food, it wouldn't make a difference. They'd still be without water.