system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: What is fed to people in a coma?

Is it blended every day food or similar to meal replacement shakes? If so does this include fruits and vegetables or are all essential nutrients provided though supplementation?
gpt
It's a special liquid formula that contains the right amount of calories, protein, and essential nutrients that can be adjusted depending on the specific needs of the patient. It's doesn't contain any actual food but it does have all the nutrients and calories we need from eating food.