Vitamin B12 deficiency: What to know March 25, 2026 Vitamin B12, also known as cyanocobalamin or cobalamin, is a water-soluble vitamin
Advances in Peptide Research, 22 (3), 121-134
Sanz-Cuesta T, Escortell-Mayor E, Cura-Gonzalez I et al (2020) Oral versus intramuscular administration of vitamin B12 for vitamin B12 deficiency in primary care: a pragmatic, randomized, non-inferiority clinical trial (OB12)
Your treatment provider will make sure you are comfortable as they give you your vitamin injection
The explanation for this is as follows: Methyl-B12 is a deep red color
Complete our online health assessment, share any recent labs (especially B12 and folate if available), and connect with a licensed provider