Potion of Growth

D&D 2014 item: Potion of Growth. Source: Dungeon Master's Guide (2014). type Potion, Uncommon rarity When you drink this potion, you gain the "enlarge" effect of the enlarge/reduce spell for 1d4 hours (no concentration required). The red in the potion's liquid continuously expands from a tiny bead to color the clear liquid around it and then contracts. Shaking the bottle fails to interrupt this process. Potion Uncommon

Source: Dungeon Master's Guide (2014), p. 187 - Licenses and attribution