glutathione and vitamin c benefits for skin L Collagen Renewal Glow-enhancing Dark Spots 90 Caps Glutathione for Skin: Skin Benefits

Remove other peptides temporarily to isolate whether GHK-CU specifically causes your issues

Bone morphogenetic proteins (BMPs) secreted by lung resident cells can restrict cancer development by turning cancer cells into a dormant state, while Coco and GALNTs derived from lung metastatic breast tumor cells are able to inhibit the effect of BMPs and reactivate dormant tumor cells to seed in the lung, thereby leading to metastasis (117)

Which IV drip

A review in Frontiers in Aging (available on PubMed Central) discusses peptides and aging biology more broadly and includes content relevant to how peptides may intersect with longevity mechanisms

NAC is absorbed within a few hours, but noticeable effects depend on what youre using it for and individual factors

So you don't have to do that good of a job of a surgery