[4] Deficiency of B vitamins in pregnancy can lead to serious complications
Side effects are rare but may include redness or swelling at the injection site, and occasional nausea
The neuroprotective properties of Methylcobalamin can be explained through its unique neuronal regenerative qualities
"[Neurological complications due to vitamin deficiencies after bariatric surgery]"
(PubMed) Delle Chiaie R, Pancheri P, Scapicchio P
What the Authoritative Sources Say About B12 Deficiency and Supplementation The National Institutes of Health Office of Dietary Supplements publishes the most thorough citation-backed overview of vitamin B12 its role in red blood cell formation and neurological function, the populations most at risk for deficiency (older adults, people on long-term metformin or proton pump inhibitors, vegetarians and vegans, people who have had gastric bypass surgery), and the recommended daily intake at each life stage