vitamin b12 injection in thigh Injections at Home - Safety Guide for Self-Administration Vitamin B12 Injections

In preclinical adipocyte models, studies suggest this shift in metabolic flux is associated with changes in lipogenic gene expression, including reduced expression of key adipogenic transcription factors

Insurance companies do not cover Vitamin B12 injections

Arantes LAM, Aguiar CJ, Amaya MJ et al (2012) Nuclear inositol 1,4,5-trisphosphate is a necessary and conserved signal for the induction of both pathological and physiological cardiomyocyte hypertrophy

But 1500 mcg is still a therapeutic dose

Here's the honest, evidence-based answer, and who really benefits from them

In a 2024 pilot study, older adults with mild B12 deficiency who supplemented for three months saw significant gains in muscle strength and quality, reaching about the same level as people whose B12 was already healthy