US$ 21.18
b12 injection for phn dosage as a Treatment Peripheral Neuropathic Pain: A Systematic Review Cyanocobalamin 1,000 mcg / mL
Description
Little to no side effects

BMJ 2021:372

Caplan RH, Davis K, Bengston B, Smith MJ

What is the difference between the 4-day and the 5-day trek

Because only a small share of patients with high B12 are found to have cancer, the value does not function as a standalone screening test