Stability testing showed no color change or odor development after 6 months at 40C (accelerated aging)
It stimulates fibroblast activity, increasing collagen and elastin synthesis, which strengthens and rejuvenates skin and connective tissue
Glutathione also plays a key role in energy production and methylation, two critical processes at the core of normal cellular function
In short: You should be extremely cautious
Further Reading For additional peer-reviewed research on this topic, see: PubMed research on GHK-Cu gene expression and NIH review of copper peptide wound healing mechanisms
(Kim et al., 2011) Lipid oxidation, atherosclerosis and obesity In a study involving 24 healthy volunteers, a dose of astaxanthin as low as 1.8mg/day over two weeks, demonstrated an ability to inhibit LDL oxidation