doi: 10.1002/wjo2.81
Dermatology practical & conceptual, 8(1), 1521
It has FDA approval, multiple large randomized controlled trials, and a defined prescribing label
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
and 8.3% after 12 months
Cardiovasc Drugs Ther 40 , 779793 (2026)