Todays article will answer that question
In the references from this same document we find this in Canadian paper Cobalamin (vitamin B12) and Folate Deficiency Canada use cyancobalamin they state Injection (IM or subcut): 1000 mcg/mL Where they state : 1 mg hydroxocobalamin administered subcutaneously once per week Many people have no choice but to buy safely and cheaply from online pharmacies in order to keep themselves well in the absence of any help from their GP
Some of our patients are found to be deficient in Vitamin B12, and through our physician prescribing appropriate vitamin supplementation, some individuals note an improvement in energy level, she says
This vitamin is involved in forming DNA and red blood cells, as well as necessary for brain function, heart health, energy production, and more ( Its found naturally in many animal products and sometimes added to fortified foods ( Vegans, vegetarians, older adults, and people with digestive issues that can interfere with nutrient absorption may be at a higher risk of vitamin B12 deficiency and need to supplement ( summary Vitamin B12 is a water-soluble vitamin involved in several aspects of health, including DNA synthesis, red blood cell formation, and brain function