SFS Standard Serum Crafting Feat 1

Source Player Core pg. 227
Prerequisites trained in Crafting
You can Craft serums and medical items with the consumable trait, though some have other requirements. When you select this feat, you gain formulas for four common serums of 2nd level or lower.

Traits

General:A type of feat that any character can select, regardless of ancestry and class, as long as they meet the prerequisites. You can select a feat with this trait when your class grants a general feat.
Skill:A general feat with the skill trait improves your skills and their actions or gives you new actions for a skill. A feat with this trait can be selected when a class grants a skill feat or general feat. Archetype feats with the skill trait can be selected in place of a skill feat if you have that archetype's dedication feat.