Potential side effects may include injection-site redness, swelling, bruising, itching, tenderness, small lumps, headache, fatigue, nausea, appetite changes, abdominal discomfort, stool changes, dizziness, altered sleep, mood changes, or feeling off. Allergic or immune reactions are also possible, and the FDA has specifically raised concerns about immunogenicity and peptide-related impurities in compounded BPC-157
Carnitine concentrations and lipid effects
Post-marketing surveillance has similarly not identified a strong signal for increased thyroid autoimmunity, though vigilance persists given preclinical findings in rodent C cells
But if you have a history of depression or anxiety, its worth discussing with your prescriber