Some early work reported favorable effects on fat metabolism, while larger later trials did not produce the weight loss outcomes needed for approval
These include the bell-shaped dose-response curve, central effects after peripheral administration, a delayed and prolonged time course, and some penetration of the blood-brain barrier in essentially intact form
A Vitamin B12 deficiency can occur when you do not get enough B12 in your diet or because your body is unable to absorb the vitamin properly
doi: 10.1111/j.1753-4887.2008.00031.x
They tested my B12 the other day and said that and 'everything else' was fine...unsure what everything else includes
If a doctor prescribes B12 injections, symptoms like fatigue, weakness, depression, and more may resolve within generally resolve in six to 12 weeks