3 Different Types of B12 MedClub by Dr Jenn Vitamin B 12 Injection Mobile and Clinic IV Therapy ASAP IVs IV Hydration Experts of San Diego, Phoenix, Scottsdale, San Francisco Vitamin B Complex = Your all in one boost for energy, mood, and overall wellness. Each B vitamin plays a unique role in keeping your body balanced and thriving: B1 Thiamine Assists B12 and B complex vitamins play a major role in how your body produces energy, balances mood, and supports metabolism. When delivered through IV, they bypass the digestive system for faster, more