Pay in 4 interest-free payments of $5.20 Learn more
Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
A clinical trial may provide investigational access under a study protocol, while approved medical treatment is directed by a licensed clinician using authorized medicines
Symptoms can develop quickly and include: feeling faint or lightheaded difficulty breathing or wheezing rapid heartbeat confusion anxiety clammy skin collapsing or losing consciousness hives swelling stomach pain, nausea, or vomiting If you or someone nearby develops these symptoms, you should: Check to see whether they have an epinephrine pen
it can thus trigger a severe B12 deficiency
PMC 10772977
It's also important to let us know if you have any allergies (especially to cobalt or B12), or if you have Leber's disease, kidney problems, or are pregnant or nursing
