side effects of a vitamin b12 injection Injections for Weight Loss & (2025) Sizing Up the Risks? are there any side effects

After a B12 injection, avoid strenuous activity for 24 hours, refrain from soaking in hot baths or jacuzzis for at least 24 hours, and do not rub the injection site

If you are 65 or older, you are an excellent candidate for B12 injections because your body will likely be less able to process nutrients than it did when you were younger

Hormone research, 53(6), 274278

Production of NAD+ declines sharply with age, leading to hidden cellular damage and visible symptoms like wrinkles, stubborn fat, cognitive fog, delayed recovery, and joint discomfort.[1][2][3] Emerging research suggests that this decline not only accelerates visible aging but also contributes to a cascade of metabolic and neurological issues, making NAD+ restoration a cornerstone of modern anti-aging protocols