US$ 23.07
cyanocobalamin vit b12 injection Injection, USP 30000 Mcg/30 mL (1000 Mcg/mL) 30 mL Vial Cyanocobalamin 1,000 mcg / mL
Description
Your doctor may order special tests for antibody levels to determine if you have pernicious anemia

MedClub only utilizes pharmacies in the United States that adhere to the standards of practices under 503A, 503B, & 503C active licensing and acts in good faith that these standards will be upheld by each licensed compounding pharmacy

For others, it can be a challenge

Egg yolks contain more vitamin B12 than egg whites, says Taylor
Patients with B12 levels below 200 pg/mL are considered deficient