Blue Water of Life

Life Potion is a recurring item in.

The Legend of Zelda
Link can purchase Life Potions from any Old Woman in a Cave after he has shown one of them the Letter. If Link uses a Life Potion, he will drink it, restoring all of his Hearts. Life Potions only have one use while blue, but can be used twice if Link purchases it as the red variety known as 2nd Potion.

Zelda's Adventure
In, Zelda can purchase Life Potions from a number of Merchants around Tolemac for 200 Rupees. They fully restore Zelda's health when consumed. She may only carry one Potion at a time.