do b12 injections go into muscle The Shot: What Every Human Needs to Know About Injectable Vitamin B12 What are the benefits of

We recommend shorter sizes of 4-5mm and gauges of 30 and above

If you have transient low levels of Vitamin B12 due to diet and lifestyle, you can still benefit from restorative B12 booster shots to improve fatigue, mood, and motivation as a pick-me up and supplementation for the lack of B12 in your diet

Gradually increasing within standard ranges may help

Even so, there is little point having injections you do not need

Dosing is once daily, subcutaneously, with the timing chosen to align with natural lipolytic windows, typically before bed (to coincide with overnight fasting and growth hormone pulses) or first thing in the morning before training and food

link Ng FM, et al