do vitamin b12 injections work which is better vitamin b12

Doctors should check symptoms, blood work, and neurological status often

The amino acid building blocks used in SPPS are themselves expensive: Fmoc-protected amino acids suitable for pharmaceutical manufacturing cost $50-500 per gram depending on the specific residue

B12 injections are indicated for patients with documented deficiency, including those with pernicious anaemia, malabsorption disorders, following gastric surgery, or with neurological symptoms suggesting B12 deficiency

Patients often report improvements in their physical performance, reduced fatigue, and an overall sense of well-being

You might get redness, swelling, or itching at the injection site