Injectable vitamin B12, which can treat significant deficiencies, can cause the following common side effects: mild diarrhea Itching headache dizziness nausea vomiting hot flashes More serious side effects of vitamin B12 injections may include: Irregular heartbeat Heart palpitations Hives or skin rash In rare cases, it can cause severe allergic reactions or anaphylaxis
The peptides ability to promote endothelial cell migration and angiogenesis may contribute to improved cardiac perfusion and functional recovery following cardiac injury
It does not have anabolic or androgenic effects but aids in muscle and tissue repair (12)
Health Canada said they may even contain contaminants from heavy metals, fibers, glass and plastic to bacteria, fungi and endotoxins
Cost considerations may represent significant barriers to access, as these peptides are typically not covered by health insurance and may represent substantial out-of-pocket expenses for patients
The researchers suggested that symptom improvement may be explained by altered levels of cytokines (proteins involved in immune cell signaling), which were measured throughout the study