GHK FIT softgel capsule is a dietary supplement that is marketed as a way to improve muscle growth, strength, and recovery. It contains a blend of ingredients, including: GHK-Cu, a peptide that is thought to help with wound healing and tissue repair. Creatine, a compound that is used by the body to produce energy. L-arginine, an amino acid that is involved in the production of nitric oxide, a molecule that helps to relax blood vessels and improve blood flow. Hyaluronic acid, a substance that helps to keep joints lubricated and healthy. GHK FIT softgel capsule is usually taken once or twice a day, with or without food. The dosage is based on your individual needs.