b12 injections for cows Troy Vitamin Injection 100 mL 250 mL and 500 mL vials Provides 1 Cow Video | Belamyl Vitamin
Description
For long-term studies, this can sometimes present practical challenges, especially if high frequency of administration is required

This may present as difficulty in breathing , lightheadedness , a rapid drop in blood pressure , or a feeling of tightness in the chest

I think we can safely say the overwhelming answer would be (b)
Therefore researchers recommend more studies are needed on how B12 may affect weight
