Depending on current stock, you may receive either label, but there is no difference in quality, formulation, or intended use
Because your skeletal muscles are filled with mitochondria (the portion of your cell responsible for energy production in your body) and we know that B12 directly acts in these mitochondria
Gastrointestinal surgery: Surgeries that remove or bypass the stomach, such as gastric bypass surgery, can interfere with the bodys ability to absorb vitamin B12 from food
The speed of improvement depends on your individual health and how low your B12 levels are
If you spot any of these two anomalies, never use the med
They are not held to the same purity, sterility, or potency standards as medications intended for human administration