Fast Metabolism

Fast Metabolism is a Fallout, Fallout 2, Fallout Tactics and Lionheart Trait and a Fallout 3 Perk. In Van Buren it was renamed to Increased Metabolism.

Fallout, Fallout 2, Fallout Tactics, Van Buren
Your metabolic rate is twice normal. This means that you are much less resistant to Radiation and poison, but your body heals faster.

+2 Healing Rate, but your radiation and poison resistances start at 0%. Unavailable to ghouls and robots (Fallout Tactics).

Lionheart
You have an increased Healing Rate, but your disease and poison resistances start at -10%. Feralkins cannot take this trait.

J.E. Sawyer's Fallout RPG
Your metabolic rate is increased. This means that you are much less resistant to radiation and poison, but your body heals faster. -10% to radiation and poison resistance, +2 to healing rate.

Fallout 3
With the Fast Metabolism perk, you gain a 20% Health bonus when using Stimpaks.

Szybki metabolizm