pf2e.fyi
From Pathfinder Lost Omens The Mwangi Expanse, which isn't enabled.

Stronggut Shisk

HERITAGE
Ancestry Shisk

Your metabolism is slow, allowing you to go for days without food and process maladies at a slower rate. You can go for 1 week without food before you begin to starve Additionally, the onset times and lengths of stages for all diseases and poisons that affect you are increased by 50%. If the onset time or stage is instant or lasts only 1 round, this ability has no effect.

Pathfinder Lost Omens The Mwangi ExpanseOGL