Vascular issues Though rare, overuse of therapeutic B12 may lead to vascular events: Clots in deep veins Swelling in the legs Risk of pulmonary complications in sensitive groups Tabular View for Quick Recap You should report symptoms early to stop things from getting worse
There is no downtime required after receiving a B12 shot, allowing you to return to your daily activities immediately
Subcutaneous administration (which bypasses first-pass metabolism and delivers more peptide to target tissues) was not extensively tested in human trials, and this route is what most current research protocols use
Side effects are rare but can include mild pain at the injection site, slight swelling, or bruising
Declaration of interest: K
You need B12, nitric oxide, and hydrogen sulfide in balance