glutathione and vitamin c serum together + Vitamin-C Most Vitamin C serums today contain 15% Glutathione & Vitamin C Serum

A Copper-Binding Peptide with Therapeutic Potential against Alzheimer's Disease: From the Blood-Brain Barrier to Metal Competition

Inconsistent timing Applying copper peptides at random times disrupts the circadian alignment that makes evening application effective

The evidence base is preclinical for IGF-1 LR3 specifically, with adjacent human data from native rhIGF-1 (mecasermin/Increlex)

It dramatically slows down the metabolic processes of any potential bacteria that may have been introduced, making it much harder for them to multiply

That distinct mechanism is exactly why it is discussed as a complement to GLP-1 or GIP/GLP-1 agonists rather than a substitute