If you are interested in Vitamin B12 injections for general wellness or energy rather than to treat a diagnosed deficiency, insurance typically does not provide coverage
This includes vegans and vegetarians, older adults, individuals with atrophic gastritis, pernicious anemia, gastrointestinal disorders, those who have had gastrointestinal surgery and people who take certain medications including, but not limited to, estrogen (HRT), and birth control pills
They are not intended for human consumption, clinical use, diagnostic use, therapeutic use, veterinary use, cosmetic use, or dietary supplement use
Supported in animals for MOTS-c specifically [2]
Oral absorption is considered too undependable to rely on in patients with pernicious anemia or other conditions resulting in malabsorption of Vitamin B12
A 5mg vial can be useful when researchers want a smaller, clearly defined format for storage planning, documentation review, and controlled analytical comparison in focused mechanism studies