In rare situations, B12 shots itching rash anaphylaxis, a life threatening condition that can cause a fast heartbeat and difficulty breathing Other side effects that can occur include: shortness of breath, fast weight gain, and swelling congestive heart failure, the inability of the heart to adequately pump blood pulmonary edema, the buildup of fluid in the lungs peripheral vascular thrombosis, the obstruction of a vein with a blood clot hypokalemia, low potassium levels that can cause irregular heartbeats and muscle weakness fever tingling, numbness, and joint pain swollen tongue polycythemia, an increase in the red blood cell mass Additionally, B12 B12 shots are not necessary for weight loss
It is a non-hormonal approach: no IGF-1 or cortisol changes, no stimulant jitters, no appetite suppression
However, such studies do acknowledge that conflicting results exist, with one study specifically suggesting that increased B12 intake may lead to a quicker falling off of melatonin and a shorter sleep duration
Peptides are short chains of amino acids that act as signaling molecules, helping regulate metabolism, appetite, fat storage, inflammation, and tissue repair at a cellular level
