Cortisol or HPA-axis assessment: Selectively, especially with sleep disruption, central adiposity, or chronic stress
Out of all of these, melatonin is a promising therapeutic that needs more attention in clinical trials
Purcell's brightening toner built around glutathione the body's own master antioxidant, naturally produced from three amino acids: glycine, cysteine and glutamic acid
The "reduced" form (GSH) is the active, antioxidant-ready state, whereas the "oxidized" form (GSSG) has already expended its electron and must be recycled by the body
doi: 10.1016/j.jamda.2020.08.017 183 SiopiE.GalerneM.RivagordaM.SahaS.MoigneuC.MoriceauS.et al
Wound healing studies in aged rats show 47% increased collagen deposition and 38% higher tensile strength at 14 days post-injury with 300 mcg/kg twice-daily dosing