Using regular sterile water (no preservative), shaking instead of swirling, or storing at room temp degrades the peptide fast
[1] [2] B12 injections are primarily prescribed for patients with pernicious anaemia , an autoimmune condition where the stomach cannot produce intrinsic factor, a protein essential for B12 absorption in the gut
These include the severity of deficiency, patient age, and malabsorption issues
Injecting patients with B12 may have an effect on the persons metabolism and increase energy
Oral supplements are easy but require discipline
You can get vitamin B12 from many dietary sources and animal products, such as: Meat Fish Eggs Dairy products Nutritional yeast Fortified foods Many People Are Deficient According to the National Institutes of Health (NIH), about 12.5% of adults in the U.S