ghk cu and vitamin c Copper Peptide (GHK-Cu) Pro Skin Care Serum with Hyaluronic Acid GHK-Cu Facial Cream - Wells

There's little research behind those claims and most peptides have not been reviewed for safety by the FDA

The methionine synthase enzyme uses this newly formed methylcobalamin to transfer the methyl group directly onto the toxic homocysteine molecule

This process enables more oxygen and nutrients to be delivered to skin cells, thus improving cellular metabolism and making the skin look healthier and brighter

Biogerontology (Dordrecht) 26(3):107

The exact timeframe depends on the severity of the deficiency and your individual health status

Epithalon (also known as Epitalon) is a synthetic peptide derived from a naturally occurring compound produced by the pineal gland