Quick Answer: What You Need to Know About Vitamin B Complex Shots What they are : Injections containing 8 B vitamins (B1, B2, B3, B5, B6, B7, B9, B12) Primary benefits : Increased energy, improved mood, better metabolism, improved mental clarity Best candidates : People with digestive issues, vegans/vegetarians, older adults, high-stress individuals How they work : Direct delivery to bloodstream, bypassing digestive system Administration : Quick intramuscular injection, typically weekly or monthly Safety : Generally safe with minimal side effects when administered by healthcare professionals Studies show that many people are deficient in one or more nutrients, making targeted supplementation important

[1] In moderate deficiencies, feeling tired, feeling faint, mouth ulcers, rapid breathing, upset stomach, pallor, hair loss, decreased ability to think and joint pain and the beginning of neurological symptoms, including abnormal sensations such as, numbness and tingling, and tinnitus may occur
If youd like to store them for several months or even years, placing them in a 80 C (112 F) freezer is best
The maintenance dose will then depend on whether your deficiency is related to diet or not
If you cut back on calories too much, you may inadvertently trigger an energy-conservation response