ghk-cu tolerance or desensitization or diminishing returns long-term use The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline GHK-Cu - Peptide Affect
Description
For example, you may be feeling run-down, light-headed, or weak and have symptoms like muscle weakness, memory concerns, and depression

doi: 10.3390/molecules28010240

Like amino acids, peptides occur naturally in the human body, including within the hormones and neurotransmitters that regularly circulate within our tissues [3]

Plan: In-clinic intramuscular B12 shot, nurse administered, with baseline ferritin and B12 on file
