oxidised glutathione sigma Glutathione, oxidized oxidized glutathione (GSH/GSSG) ratio serves as an indicator of oxidative stress Glutathione (GSH) - ZELLX®

Polyphenol-rich foods Polyphenols are a category of compounds naturally found in plant foodssuch as fruits, vegetables, herbs, spices (for example, turmeric and curcumin), tea, dark chocolate, wine, and anti-aging coffeethat act as antioxidants, and have been linked to a decreased risk for cardiovascular diseases such as heart attack and coronary artery disease (6)

The cardiac effects of isoproterenol may lead to palpitations, sinus tachycardia, and more serious arrhythmias

I really dont recommend this as it did nothing aside from making skin soft

And where do protein powders come in

In cultured fibroblasts, GHK-Cu increased collagen synthesis at strikingly low concentrations the effect began between roughly 10 -12 and 10 -11 M and peaked near 10 -9 M, independent of any change in cell number, meaning the peptide upregulated matrix production per cell rather than simply growing more cells