When deficiency develops, symptoms can include fatigue, weakness, numbness or tingling in the feet or hands, difficulty walking, mood changes such as depression, and problems with memory or concentration. Untreated, severe deficiency can lead to anemia and neurological damage, so medical attention and proper supplementation are essential. Why Choose B12 Injections
10.2165/00151829-200504030-00003 [DOI] [PubMed] [Google Scholar] 83.Van Eeden SF, Sin DD
References PR Kerndt, JL Naughton, CE Driscoll, DA Loxterkamp
with 40 mg/kg IKE dissolved in vehicle B
Vitamin D and multiple health outcomes: umbrella review of systematic reviews and meta-analyses of observational studies and randomised trials