Food is a major part of our culture. It doubt that it will be completely replaced by supplements like this. However I can see genuine use cases for this. I can

Food is a major part of our culture. It doubt that it will be completely replaced by supplements like this. However I can see genuine use cases for this. I can see this might be useful for certain military operations, such as reconnaissance missions, which require troops be travel lightly without support for prolonged periods, and long term space missions where the marginal cost of extra space and weight is very expensive. Athletes on specialized diets may also use this to control their nutritional intake more precisely. Our culture might even shift to a situation where we take supplements for our routine nutritional needs and enjoy traditional meals for special occasions, like when we have guests over.