inject b12 into thigh Choosing the Right Needle and Syringe for Injections: A Complete Guide Best Vitamin B12 Injection Site:

With gastrointestinal impairment, consuming B12-fortified foods and/or supplements may be ideal

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The absorption of B12 depends on a protein produced in the stomach which decreased with age, therefore even meat eaters can be deficient in this vitamin

The problem with this is that many sufferers of a B12 deficiency may not have anaemia or have a serum B12 blood level within an abnormally low range in accordance with the normal ranges set

Drinking plenty of water before and after your injection is recommended

Gastrointestinal side effects are the primary clinical concern: nausea (44%), diarrhea (30%), vomiting (24%), and constipation (24%) are common, particularly during dose escalation