Tending to eat and drink excessively; voracious. (Dictionary.com)
Greedy; insatiable. (Dictionary.com)
Eating and drinking more than you need. (Cambridge Dictionary)
Using more than you need. (Cambridge Dictionary)
If you think that someone eats too much and is greedy, you can say they are gluttonous. (Collins Dictionary)
Monsters of Sin 3: Gluttony by Ryan Costello.
How Can I Conquer Gluttony?