Lesser Heal Potion

Lesser Heal Potion is a consumable item that recovers 50 HP instantly.

Source
Lesser Heal Potion can be purchased for each from alchemy vendors, crafted with Alchemy skill or obtained as drops from mobs.

Crafting
Lesser Heal Potions can be crafted through Alchemy with 0 skill and the following materials:
 * 1 Ginseng
 * 1 Blood

Vendors

 * Valus
 * Eldeir Village
 * Pyros Landing
 * Oasis
 * Black Forest Outpost
 * Belhaven

Drops

 * Harpy
 * Cultist Scout
 * Lizardman
 * Scaled Lizardman
 * Large Spider
 * Troll