The mechanism does not involve receptor downregulation or tolerance in any known way, but the signal-to-noise ratio is simply too low based on available evidence
This eclectic advice all falls under the general umbrella of biohacking, which Asprey defines as the use of science, biology, and self-experimentation to take control of and upgrade your body, your mind and your life, or the art and science of becoming superhuman. At a period of American history when mistrust of institutions seems endemic, Asprey is a man suited to his times
Cardiovasc Diabetol 19(1):24 Bazan-Socha S, Wojcik K, Olchawa M, Sarna T, Pieta J, Jakiela B et al (2022) Increased oxidative stress in Asthma-Relation to inflammatory blood and lung biomarkers and airway remodeling indices
It is difficult to increase the brain GSH levels directly by peripheral administration
Beware of other sites who sell imported B12 from Asia Before using this medicine, a health care professional will provide detailed instructions for appropriate use of this medicine