Neurological: Numbness or tingling in the extremities (paresthesias), difficulty walking, balance problems, muscle weakness, vision problems, cognitive disorders (difficulty concentrating, memory loss), mood changes (depression, irritability)
Key distinction: BPC-157 is not a steroid, not a hormone, and not a growth hormone releasing peptide
Observe the solution until the powder dissolves completely
What is the molecular weight of GHK-Cu (Copper Peptide)
Adverse effects: Seek medical advice if you develop any unusual, severe, or persistent side effects or symptoms after taking vitamin B12 supplements
So it's theoretically safer to begin with