Some symptoms of a B12 deficiency include: Feelings of fatigue Anxiety or nervousness Weakness Shortness of breath Tingling sensation in the digits Diarrhea and numbness, among other things These are just some of the common symptoms
However, you could still benefit from B12 injections if you eat these foods as part of your diet
However, it never received FDA approval because the results, while positive, weren't dramatic enough to meet regulatory thresholds for an obesity drug
An alcohol swab should be used to clean the injection site (usually your thigh, abdomen, or upper arm)
Some people use injections to bring low levels up, then maintain with oral supplements between visits, guided by periodic bloodwork
The peptide did not produce adverse metabolic effects associated with full-length growth hormone, including insulin resistance, glucose intolerance, or IGF-1 elevation