Vitamin B12 Injections: Dosage & Frequency

Why So Many Men Are Turning to B12 Injections

If you’re feeling run down, foggy, or like you just can’t push through the day like you used to, you’re far from alone. It’s estimated that between 1.5 and 15% of people have a vitamin B12 deficiency, and many of them don’t even realize it. (1) For men over 30, especially those juggling professional responsibilities, family life, and trying to stay in shape, the dip in energy and mental sharpness can sometimes feel like it came out of nowhere.

To help combat this, more men are turning to vitamin injections such as B12 to help them reclaim their energy and get back to feeling like themselves. These simple shots are becoming a popular part of many men’s wellness routines—and for good reason. When optimized and properly administered, B12 plays a crucial role in everything from red blood cell production to nerve function to metabolism. 

In this article, we’ll break down why vitamin B12 matters, how injections work, and what the ideal dosage and frequency might look like for you.