These are for my game Helpless Island - 99% Original, I think the potion and meat chunk are from an open roguelike spritesheet, just recoloured and touched up significantly. 

The sheet is split in two, the upper half is the large version I use to display in the inventory - And with characters being 16x16 in my game I needed them to have small items to pick up off the ground, so the bottom half is exactly that.