can anyone have b12 injections What are the benefits of injection? Feeling tired, foggy, or run-down?

[PubMed | ClinicalTrials.gov | DOI] Garvey WT, Batterham RL, Bhatt DL, et al

While vitamin B12 naturally occurs in the body, making allergic reactions to it exceedingly rare, certain additives or preservatives in some preparations could cause mild localized reactions, such as redness or itching

2019 Sep 16;11(9):2232

Overall, great experience and I am going to be a lifelong patient

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