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But for most purposes (like weekly maintenance injections), IM is the preferred route at home because its simpler (the vitamins absorb quickly from muscle into the bloodstream over a few hours)
The peer-reviewed literature is also concentrated within a single research group (Watowich lab, University of Texas at Austin) and its industry partner Ridgeline Therapeutics, with limited independent replication to date
Individuals with pernicious anemia might start with 100 mcg injections daily or every other day, transitioning to a maintenance dose of 100 to 1000 mg monthly
One of the most significant of these is the activation of SIRT1, often called a longevity gene. SIRT1 helps manage insulin sensitivity and supports healthier blood sugar regulation, which is fundamental for sustained energy and preventing the metabolic strain that can lead to weight gain
Your provider sets frequency based on your labs, your symptoms, and how your body holds onto B12 between doses
Have questions about vitamin B12 injections
