It is especially useful where oral intake is insufficient or absorption is compromised, as noted in the product literature
Medicare Part B will cover vitamin B12 shots when given at a doctors office or clinic, while Part A covers them in the hospital
As to the aches and pains, breathlessness etc, this could be due to B12 needing potassium to build RBC, so I would check out low potassium symptoms and eat a banana or maybe two until you have fathomed it out
We are devoted to helping you regain your natural vibrance through B12 therapy
Rare but serious risks include pancreatitis, gallbladder disease, hypoglycemia, allergic reaction, and a specific thyroid tumor signal
Provider-determined dose, monthly compounded refills, no blood work required at intake