The relevance to peptide therapy is this: the endogenous opioid peptides that LDN upregulates, particularly OGF/met-enkephalin, are the actual therapeutic agents
Vascular Endothelial Growth Factor | Rupa Health
[1] [3] For patients with dietary deficiency but without neurological involvement, oral supplementation may be appropriate
We do not provide dosing, administration, or usage guidance
Injection site redness (mild, transient) Minor swelling at injection area Occasional headache Mild nausea (typically resolves) Fatigue during initial days Sleep changes (some report disturbance, others improvement) Increased appetite Vivid dreams Temporary digestive changes Sleep effects vary considerably among users
Regulatory Toxicology and Pharmacology , 114 , 104665