Conventional medical doctors (MDs) routinely gave monthly B12 shots, especially to women patients, for vague symptoms from anxiety to fatigue
Estimates suggest only about 50% or less is absorbed by the body
If someone experiences fewer disruptions or a smoother recovery pattern, it may become easier to maintain activity and nutrition routines
Unverified anecdotal reports from online forums mention various effects, though these cannot be confirmed without proper clinical investigation and may not represent causal relationships: Unverified reports of hormonal changes : Some users mention changes in libido or sexual function, though no causality has been established Theoretical cardiovascular concerns : Based on its purported vascular effects, though no clinical evidence exists Injection site reactions : Pain, redness, or swelling when administered subcutaneously Gastrointestinal symptoms : Nausea or abdominal discomfort in some reports Unknown long-term effects : No data exists on prolonged use or cumulative toxicity A significant safety concern involves product quality and contamination
This is tragic, because pernicious anemia symptoms resurface quickly, and can become permanent
