ghk-cu injection uses Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy GHK-Cu Dosage and Protocol: A
Description
It also strengthens the skins barrier function

20 Doses of 1000mcg Vitamin B12 per vial  
Im obviously not here to endorse peptides (or play TGA/FDA cop)

This can be due to a number of reasons, such as a lack of B12 in the diet, reduced stomach acidity, or when particular cells in the stomach - the "parietal" cells - do not produce enough intrinsic factor

It is not a drug, food, dietary supplement, or cosmetic, and has not been approved by any regulatory authority

Helps Relieve Upset Stomach & Constipation *
