where should you inject a b12 shot How to Vitamin How to self-inject intramuscular vitamin

Sublingual administration, which bypasses the gastrointestinal tract, appears to be equally effective as IM injections while being less invasive and more cost-efficientparticularly in patients with atrophic gastritis, post-gastrectomy status, or conditions that impair intrinsic factor-mediated absorption, where long-term intervention is often required

The primary preclinical evidence comes from mouse studies showing reduced body weight and adipose mass in diet-induced obese mice (2018), improved grip strength in aged mice (2024), and beneficial microbiome changes when combined with caloric restriction (2022)

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A GSL Switch is Unlikely in the Current Climate Despite a recent drive by the Department of Health and Social Care (DHSC) to encourage the reclassification of certain medicines (like those for pain, sleep aids, and skin conditions) to P or GSL status, a switch for injectable B12 is not on the cards