Possible side effects include mild irritation at the injection site, headaches, nausea, and others, depending on the specific peptide
This is because a standard serum test measures the total amount of B12 in your blood, not the amount that is actively available for your cells to use
The benzyl alcohol dose shouldn't exceed 5 mg/kg/day (about 2.3 mg/lb/day) with repeated injections
A healthy and balanced diet containing B12-rich foods such as meat, fish, dairy products and eggs is important to reduce the risk of B12 deficiency
A deficiency will cause homocysteine levels to rise, which can then result in dementia, heart disease, atherosclerosis, stoke, week bones, depression, and Alzheimers disease