If weight loss is the goal and B12 levels are normal, plan evidence-based lifestyle changes and consider proven medical options as appropriate
Critical take (university): McGill Office for Science and Society, The Human Lab Rats Injecting Themselves with Peptides McGill OSS
However, if the goal is to study systemic effectslike tendon repair, muscle recovery, or neuroprotectiona higher dose might be necessary to ensure enough of the compound survives the digestive gauntlet and reaches the bloodstream to circulate throughout the body
They are often prescribed to treat or prevent vitamin B12 deficiency, which can result from various conditions like pernicious anemia or gastrointestinal disorders that affect the absorption of nutrients
The frequency of B12 shots varies based on individual needs
Until that point, its use outside of approved clinical trials is not sanctioned by UK regulatory authorities, and the risks of self-administration particularly involving home reconstitution of an unregulated product far outweigh any potential benefit