Self-inject into your mid-thigh quadriceps for easy access and safety, or ask someone to inject into your deltoid/shoulder, and ensure you're reaching muscle tissue, not just subcutaneous fat, for optimal results

It includes 1-5 intramuscular or subcutaneous injections of 1000 mcg crystalline cyanocobalamin daily, followed by oral doses of 1000-2000 mcg/day Parenteral administration should be reserved for those with significant neurological symptoms NICE guideline: Vitamin B 12 deficiency in over 16s: diagnosis and management: Malabsorption as the confirmed or suspected cause of vitamin B 12 deficiency: Offer replacement to people if: lifelong intramuscular vitamin B12 Autoimmune gastritis is the cause They have had a total gastrectomy They have had a complete terminal ileal resection If the person has a vitamin B 12 deficiency because of malabsorption that is not caused by autoimmune gastritis, or a total gastrectomy or complete terminal ileal resection (for example, malabsorption caused by coeliac disease, partial gastrectomy or some forms of bariatric surgery): Offer vitamin B 12 replacement and Consider intramuscular instead of

Can pernicious anemia be treated with vitamin B 12 pills instead of injections
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Ask about pairing B12 with our Energize & Go drip or stacking it with Vitamin B6.
Oral Supplements This comparison illustrates that neither approach universally surpasses the otherthe optimal choice depends on individual circumstances, health status, and specific goals