meaning that animal studies have shown some adverse effect or there are no well-controlled studies in humans, but potential benefits may warrant use despite potential risks
Journal of Neurology, Neurosurgery, and Psychiatry
peripheral vascular thrombosis Hematological : Polycythemia vera (a rare type of blood cancer) Gastrointestinal : Mild, transient diarrhea Dermatological : Itching
The symptoms can be Tingling or burning sensation in hands, arms and legs A loss of balance and decreased coordination Weakened muscles Uncontrollable sweating More Peripheral neuropathy symptoms below You should take great care to prevent further damage, as ignoring symptoms can have long-term consequences
Persistently high results could signal a blood disorder, a malignancy or a problem with the liver or kidneys
for neutral grounding on indications and biology, see Vitamin B12 Health Professional Fact Sheet , which outlines deficiency care and dosing context for clinicians