huberman l carnitine andrew A brief overview of the topics covered in Episode 11 of the L carnitine | Ask Huberman

Wash your face with clean water before applying the facewash

This has been hypothesized as either due to blood bacteremia from oral pathogens entering the blood via the bleeding gums and thus crossing of the blood brain barrier and/or entry to the brain via the trigeminal nerves (Teixeira et al., 2017

(10 g or 10 ng/kg/day), topical (1.0 g in cream), or per-oral (0.16 g/mL in drinking water) over 90 days and described directional improvements across biomechanical, functional, macroscopic, and histological endpoints, though specific effect sizes and p-values are not reported in the abstract

Can be taken on an empty stomach with water or other liquid in the morning in divided doses or all at once