

From Wikipedia:
A variety of different mixes have been used for nutrient enemas throughout history. A paper published in Nature in 1926 stated that because the rectum and lower digestive tractlack digestive enzymes, it is likely that only the end-products of normal digestion such as sugars, amino acids, salt and alcohol, will be absorbed.[8]
Plus I think you’d have no lipid absorption, so you could probably survive longer than starvation, but I’m guessing not “quite some” time.
You and your people turned the world into hell. And still going.