Estimated values for adequate intake of vitamin B 12 . | Download Scientific Diagram
Frontiers | Vitamin B12 Intake From Animal Foods, Biomarkers, and Health Aspects
Studies on the Minimum Daily Requirement for Vitamin B12 — Hematopoietic Responses to 0.1 Microgm. of Cyanocobalamin or Coenzyme B12, and Comparison of Their Relative Potency | NEJM
Vitamin B12 Dosage: How Much Should You Take per Day?