Yes, this is dangerous. These supplements do not have everything you need, like protein and fats for retaining muscle and skin, and for long term energy storage. Fats are also essential for hormone balance.
You might suffer from anemia if the drinks do not contain enough iron. Thus, this is not a safe way to live.
Why do you not like food? What is it about food that puts you off of it?
Please talk to a nutritionist or a doctor.