side effects from vitamin b12 injections How Long Do The Of Last How Long Do B12 Injections Typically Last? Why Do I Feel Worse

So how can Vitamin B 12 shots help you

It allows the B12 to bind to fat molecules and be released slowly into body tissues

Because a delay in providing therapy can lead to irreversible neurological dysfunction, advanced conservative therapy is strongly recommended in patients with BPI

Signs You May Be Low in Vitamin B12 Persistent tiredness or lack of energy Brain fog or poor concentration Low mood, irritability, or anxiety Pale skin or dark under-eye circles Frequent headaches or dizziness Pins and needles or numbness in hands and feet Weak immune response Difficulty sleeping A deficiency in B12 is particularly common among vegetarians, vegans, people with digestive disorders, or those with high-stress lifestyles

Higher ("pharmacologic") doses are required to produce significant acceleration of growth in these conditions, producing blood levels well above normal ("physiologic")

These could be signs of an infection or allergic reaction