Potion of Fortitude

Potions of fortitude boost the constitution of the consumer to 18 for 15 turns. It is sold at stores and may be found in containers all over the Sword Coast.

In-game description
"Once consumed, this potion will send a surge of energy to travel through the body raising the drinkers constitution to 18. This provides all bonuses of having a high constitution such as hit points for the duration of the effect, which is 15 turns."