It contributes to normal red blood cell formation, supports nervous system health, and plays an important role in energy metabolism and reducing tiredness and fatigue
For drawing bacteriostatic water from its vial, a separate larger syringe (3 mL with an 18-22 gauge needle) makes the process faster and more accurate
The back of the upper arm, in the fatty area between the shoulder and elbow, works well but is harder to self-administer
Pain intensity was compared between the two groups using a visual analog scale (VAS) score before (T before ) and at 0 h (T 0 ), 4 h (T 4 ), 8 h (T 8 ), 24 h (T 24 ), 48 h (T 48 ), and 72 h (T 72 ) after the procedure
Diabetologia 52 , 199207 (2009)