For example, a small study with eight healthy elderly adults and a control group of eight younger subjects had the elderly take 0.81 mmol NAC per kg per day (around 132 mg/kg/day) and 1.33 mmol glycine/kg/day (roughly 100 mg/ kg/day) for 14 days
Mild digestive upset may occur in sensitive individuals, though this is uncommon with liposomal delivery systems
PMC 5788147
As we covered earlier in this guide, research suggests that GHK-Cu seems to suffer from some stability issues,9 but ectoine has shown promise as an ingredient that may improve the stability of some peptides.8 Additionally, ectoine is whats known as an extremolyte this is a molecule that can protect cells from extreme stress
Adding less than 0.5 mL to any vial makes accurate dosing extremely difficult with standard syringes
Results vary between individuals depending on skin type, baseline pigmentation, lifestyle factors (sun exposure, diet, smoking) and how consistently you attend sessions