I can get two different types of Inj vit B cut the B complex doesn't contain Vit b12.
These are my two choices:
1. VITAMIN b12 1000mcg. injection.
2. B-100 COMPLEX vB1 100mg vB2 0.5mg vB6 1mg Nicotinamide 100mg
What I would like to know if what would be the better choice for a boost in...