Licorice
Product
Described as a 'crazy strong' cyp1 A2 inhibitor, which could significantly extend the effects of caffeine.
Mentioned in 2 videos
Videos Mentioning Licorice

Using Cortisol & Adrenaline to Boost Our Energy & Immune System Function
Andrew Huberman
Black licorice contains glycyrrhizin, which increases cortisol and decreases estrogen and testosterone, along with increasing blood pressure, making it an ingestion to avoid during chronic stress or when optimizing sex hormones.

Q&A: Insulin resistance and hypertrophy, stimulant metabolism, and BMR variability (Ep 126)
Stronger By Science
Described as a 'crazy strong' cyp1 A2 inhibitor, which could significantly extend the effects of caffeine.