Your doctor glanced at the result, said normal, and moved on
The lipo shots increase your energy levels quite quickly, which allows the fat loss to be seen almost immediately, when this is combined with exercise and a healthy diet, you can see noticeable results in as little as 30 days
So, there is no one-size-fits-all answer
Is it normal to feel worse after a B12 injection
In animal research, significant reductions in body weight gain were observed over treatment periods of 14-19 days, with sustained effects during chronic administration
1000 g IM daily or every other day for 12 weeks, then 1000 g once weekly for 48 weeks