b12 injection site pain Injections for Energy: Benefits and How It Works B12 Injections: A Solution for
Description
So, we recommend using SL vitamin B12 rather than oral and IM, especially in patients who do not tolerate IM injection and patients who need prolonged vitamin B12 supplementation, such as patients with long-term metformin use and patients with pernicious anemia or with gastro-duodenal resection [51,52,53,54]
This may be particularly relevant for individuals with nutrient deficiencies or impaired nutrient absorption
recent guidelines affirm its use (e.g., AHA updates, StatPearls reviews)
doi: 10.1192/bjp.113.501.911
