Bitter Root

The Bitter Root is a item in Risk of Rain that increases the player's maximum health by 8% and caps at 38 stacks, or 300% of the player's base health.

Item Synergies
This item DOES synergize with Infusion and DOES work on a persistent basis.

Trivia

 * While the maximum health is 9999, stacking more of these, even if you're not at their cap, will raise your health beyond this limit.