And since having too much B12 isnt harmful (the body simply excretes the excess), its easier and cheaper to just get a shot (B12 injectables cost $14 apiece if bought online or $20 to $70 at a spa or doctors office)
Its inhibition restores NAD+ levels, reduces lipogenesis, and improves insulin sensitivity
Light exposure accelerates degradation, which is why many compounded vials come in amber glass
But if your concerns are more systemic (e.g., eczema, chronic wounds), an injectable may be better indicated
Vitamin D Shots for Immunity Helps regulate immune responses and reduces the risk of respiratory infections
There might be some discomfort from the injection, not much different from getting a vaccination, says Miller