oral vs injectable b12 Frontiers Vitamin B12 Injections vs. Supplements:

Graber MD Updated: October 22nd 2022 Main Source of Information: Empower Overview of Cyanocobalamin (B12) Injection General Information Cyanocobalamin is a vitamin of the B-complex family, commonly known as cobalamins (corrinoids)

Not having enough Vitamin B12 or iron can cause big health problems

Practitioners should consider specific B 12 dietary counselling for patients currently on a vegetarian, or vegan diet, including patients who have recently initiated such a diet

They benefit people who have mild B12 shortages, feel tired because of a poor diet, or need daily nutritional help

Dose Range: 300500 mcg daily with gradual titration

Unlike others, the absorption of vitamin B12 depends on a protein called intrinsic factor, which is produced in the stomach