glutathione the ordinary Advanced Pore Minimizing & Skin Tone Corrective Serum With 10% Niacinamide + 1% Absorbing Formula The Ordinary The Bright Set,

From the copper peptide for skin research that has generated multiple positive human clinical trials, to emerging data on GHK-Cu injection protocols for systemic anti-aging applications, the compound represents a convergence of cosmeceutical, regenerative, and longevity science that is increasingly difficult to ignore

Studies using rat models with transected Achilles tendons showed BPC-157 treatment resulted in accelerated recovery with increased load to failure, superior Achilles Functional Index scores, enhanced mononuclear cell infiltration, improved collagen fiber organization, and smaller persistent defects compared to untreated controls

doi:10.1186/s12958-018-0432-0

To maximize absorption, I suggest going with a liposomal vitamin C liquid

Microbial Signatures in COVID-19: Distinguishing Mild and Severe Disease via Gut Microbiota

(PubMed) Thompson PA, Ashbeck EL, Roe DJ, et al