The tendon has adapted to a damaged state, and standard treatments often produce only temporary relief
Your provider determines if it fits your goals
The AAFPs evidence-based clinical review states directly: Oral administration of high-dose vitamin B12 (1 to 2 mg daily) is as effective as intramuscular administration for correcting anemia and neurologic symptoms in patients with B12 deficiency (Langan RC, Goodbred AJ, American Family Physician, 2017)
Short takeaways B12 injections reliably correct deficiency and often restore energy quickly, but they are not a proven weight-loss therapy for people with normal B12 levels
For injections, the typical dosage ranges from 2.5 to 3.75 micrograms per kilogram of body weight, taken twice daily
Before using any peptide in a research model, consult the relevant institutional review board, animal-care committee, and biosafety office