The best way to have food is to cook and eat fish, you can eat them raw, but you will be more thirsty.
To cook it you will have to take the fish to the base or to your Sea Truck if you have it and cook it using the menu.
Then you can eat it, which will give you some water.
You can upgrade your knife to cook things automatically even in the depths, just don't forget to pay attention to the yellow food meter.
After introducing you to this article on how to get more Subnautica Below Zeroen food, we hope you can get the grocery items you require, so you don't get hungry in the game.
Platform(s):
Microsoft Windows PC, MacOS, Nintendo Switch, PlayStation 4 PS4, PlayStation 5 PS5, Xbox One, Xbox Series X/S