Vitamin B12 injections can boost your energy levels GameDay Men's Health Glen Mills posted on the topic LinkedIn Vitamin B12 injections deliver high doses of this essential vitamin directly into your bloodstream for better absorption than oral supplements to boost energy, support red blood cell production and maintain nerve function. Vitamin B12 injections deliver high doses of this essential vitamin directly into your bloodstream for better absorption than oral supplements to boost energy, support red blood cell production and maintain nerve function. Is Vitamin B12 Good for Men TikTok St. Jude Medical Center & Aesthetic Care From $40 Brandon Groupon