Studies show that taking 125250 micrograms of vitamin B12 is effective for maintaining proper B12 levels for older adults
B12 shots offer a range of benefits, including increased energy levels, improved metabolism, reduced fatigue, sharper concentration, enhanced sleep patterns, mood elevation, and a strengthened immune system
A review of obesity pharmacotherapy published on NCBI describes a 12-week AOD 9604 trial in which the treated group lost more body fat than placebo without altering glucose control
The efficacy of a subcutaneous injection of soluble Vitamin B12 in lambs
Side Effects of Excessive B12 Intake Whilst vitamin B12 toxicity is uncommon, several adverse effects have been reported in association with very high B12 levels, though establishing direct causation remains challenging