b12 5000 mcg injectable Vitamin Injection: Energy Boost and Anemia Treatment — Mountainside Medical It is available in a 250 mL size and is recommended for use as an aid in the management of vitamin B12 deficiencies B12 50,000 mcg (Chinfield) -
Description
None of the B12 gets lost in the digestive process

[PubMed: 7505286] 57

Vitamins B1, B6, and B12 are water-soluble, and as such, when absorbed into the body, they are excreted via the kidneys

D51.9 - Vitamin B12 deficiency anemia, unspecified: Yes, billable

Clinical research published in Biochemical Pharmacology demonstrates that 5 amino 1mq treatment significantly reduces NNMT activity in adipocytes, leading to increased intracellular NAD+ concentrations
