American Society of Clinical Oncology - GI Symposium
Those with asthma should also exercise caution as there are anecdotal reports (mostly with inhaled glutathione) of it triggering asthma attacks in susceptible individuals
The stratum corneum, your skins outermost barrier layer, significantly restricts how much GHK-Cu reaches viable tissue
Astaxanthin dosage Clinical studies on astaxanthin have tested a wide range of daily doses typically between 4mg and 12mg, though some trials extend up to 2040mg for short durations.11 36 38 45 Most human studies showing measurable benefits for oxidative stress, skin health, cognition, and eye comfort fall within the 612mg range.1 2 9 23 27 Doses at the higher end of that range appear to have the most consistent effects on markers of oxidative stress, such as MDA and increased SOD activity.22 37 Several studies examining exercise performance, sleep quality, cognition, and digital eye strain have also used 12mg daily.4 7 8 9 There is currently no official recommended daily intake for astaxanthin
Cases of De Quervain thyroiditis, with low TSH levels and high levels of free T 3 and T 4 , were described in the course of H1N1 influenza infection (133, 134)
Thankfully, Glutathione (and its bodily interaction with alcohol) has been fairly well studied