topical vs injected ghk cu GHK-Cu Repairing Serum | Barrier Repair Serum GHK-Cu Topical vs Injection |

But is there evidence to back up these claims

doi:10.1016/j.jconrel.2023.01.015

Although GHK-Cu has a history of safe use, certain populations are better off avoiding it.3 11 These include: Anyone under the age of 18: We dont yet know if copper peptides can have an adverse effect on young people

Does glutathione work without Vitamin C

Common reported effects in clinical use include mild injection site reactions with subcutaneous administration, occasional digestive changes when taken orally, and rare reports of fatigue or dizziness

Although there is currently no ideal glutathione level, it is accepted that this level should be optimal in order for the body to effectively cope with oxidative stress, for the immune system to function properly and for cellular functions to be protected