Vitamin booster shots deliver vital nutrients to the body through an intramuscular injection. Vitamin booster shots are a highly effective way to give the body essential nutrients very quickly. A time efficient option to boost your essential vitamin vitals. Our B12 injection is often used for those suffering with low energy levels while Vitamin D is for those looking to boost their immunity and hair health. B12 is the most popular vitamin booster injection due to its wide variety of benefits, including energy enhancement, brain function and more.