Vitamin B12

Vitamin B12 is a water-soluble vitamin part of the group of essential nutrients known as the B Complex. Vitamin B12 supports energy metabolism and promotes a healthy nervous system. It also supports heart health by promoting healthy levels of homocysteine and is required for the normal development and regeneration of red blood cells, which help to deliver oxygen throughout the body.

Health Claims:

  • Necessary for normal cell division
  • Contributes to normal blood formation
  • Necessary for normal neurological structure and function
  • Contributes to normal energy metabolism
  • Contributes to normal homocysteine metabolism
  • Contributes to normal psychological function
  • Contributes to normal immune system function
  • Contributes to the reduction of tiredness and fatigue

Natural Sources: Organ meats, clams, sardines, red meat, tuna, nutritional yeast, trout, salmon, milk and dairy products, eggs.

Formulated with integrity

The ingredients chosen for use in Pro You products are backed by the latest scientific research, or steeped in traditional use. We believe that the best health choice is an informed one, so for your reading, we’ve collated a selection of the most relevant unaffiliated studies that support the selections made by our lead scientist and naturopath when formulating our products

Published Research

This research is for informational use only. The results reported may not occur in all individuals. This information should not be read to recommend or endorse any specific products.

Sangle P, Sandhu O, Aftab Z, Anthony AT, Khan S. Vitamin B12 Supplementation: Preventing Onset and Improving Prognosis of Depression. Cureus. 2020 Oct 26;12(10):e11169. doi: 10.7759/cureus.11169. PMID: 33251075; PMCID: PMC7688056.

Markle HV. Cobalamin. Crit Rev Clin Lab Sci. 1996;33(4):247-356. doi: 10.3109/10408369609081009. PMID: 8875026.

Oh R, Brown DL. Vitamin B12 deficiency. Am Fam Physician. 2003 Mar 1;67(5):979-86. PMID: 12643357.

Further Reading

9 Health Benefits of Vitamin B12, Based on Science

Written by Kaitlyn Berkheiser

June 14, 2018

Everything you need to know about vitamin B-12

Medically reviewed by Alan Carter, Pharm.D. — Written by Adam Felman

November 28, 2017

Vitamin B12 deficiency can be sneaky, harmful

Harvard Health Publishing Staff

August 31, 2020