does vitamin b12 injection need to be refrigerated Dr. prescribed injections. Pharmacy only gave me vials. Where do you get your needles and syringes? What size?? Where do I inject? : r/B12_Deficiency what size needle to use

Most healthy adults have a heavy store (up to several years worth) of B12 in their liver

Add 4.0 mL bacteriostatic water to one 50 mg vial 12.5 mg/mL , a clean concentration for accurate dosing

Heres how specific conditions can impact the use of B12 shots: Heart Disease: While B12 is essential for overall health, excessive amounts of vitamin B12 in the body may sometimes cause an increase in certain heart disease risk markers, particularly for individuals with pre-existing cardiovascular conditions

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less commonly used in adults Partial enteral nutrition may supplement medical therapy and support nutritional status Total parenteral nutrition (TPN) indicated for severe malnutrition, short bowel syndrome post-resection, or surgical preparation 17

And occasionally more often than most people realize the product itself was the problem, not the injector