Sources: NIH, National Library of Medicine, PubMed - Vitamin C in dermatology
2008;21(1):61-7 V.Khavinson, E.Korneva, V.Malinin, E.Rybakina, I.Ivanovich, S,Shanin, Effect of epitalon on interleukin-1beta signal transduction and the reaction of thymocyte blast transformation under stress
Adaptogens hitting mass retail while cortisol and HPA-axis research catches up behind them
Bioavailability: The Missing Link Before we discuss the specific hours of the day, we must address bioavailability
The HPA axis also integrates into this network: gut microbes can affect cortisol dynamics by influencing the hosts metabolism of tryptophan into metabolites like kynurenine that impact HPA feedback loops [46, 47]