For its content & potency, injectable should only be at 1200mcg/ml subcutaneous injectable, provided in a 5ml vial
The good news is that a vitamin B12 deficiency is easily recognizable and treatable if you know what to look for
What makes Hospira the standard
When taking B12 via injections or high doses of supplements, it bypasses the absorption limits of dietary B12, leading to a temporary rise in blood B12 levels
Maintain optimal health by supporting strong bones, boosting your immune system, regulating cell growth, enhancing neuromuscular function, and reducing inflammation
Here is what ProHealth's product page states about how they approach quality for this product