A discussion with your healthcare provider can also help you decide, considering your health needs and lifestyle
The injection site may feel sore for several days
Serum cobalamin levels do not strictly correlate with physiologic deficiency, in part because traditional assays measure total serum cobalamin, even though the fraction bound to transcobalamin II (holotranscobalamin II) is physiologically most important
If side effects do occur, they are generally mild and may include: Pain, discomfort, swelling, or redness at the injection site Diarrhea Headache Bloating Nausea Numbness or tingling Serious side effects are rare and may include: Confusion Dizziness or fainting Muscle pain, cramps, or weakness Extreme thirst Facial flushing Frequent urination Palpitations Fatigue Difficulty breathing Coughing or noisy breathing (wheezing) Extreme pain, swelling, warmth or tenderness in one leg Difficulty swallowing Rash Itching over the body If you experience serious side effects, contact your doctor right away

Signs of contaminated product Contaminated or degraded peptides can cause effects unrelated to AOD 9604 itself: Fever or chills following injection, suggesting possible bacterial contamination Severe injection site reactions with significant swelling, heat, or spreading redness Systemic illness symptoms that seem disproportionate to what the peptide should cause Effects that seem completely different from expected AOD 9604 effects If contamination is suspected, stop using that vial immediately
Considering millions of people are injecting B12, you get the idea how uncommon allergic reactions are