Vitamin B12: Injection vs Tablets, Vitamin B12 Tablets ?, Mild deficiency, Digestion , Long term maintenance, Vegetarians (regular use), Pros:, Easy to take, Affordable, B12 Injections vs. Oral Supplements: Which Is Better? B12 Shots vs. IV Infusions: What is the difference? Integrative Medicine, Laser and Aesthetics Still taking vitamin B12 injections? Move over shot. A pill may be just as good. Dr. Leslie Greenberg's Blog Should You Use Sublingual B12 Over Capsules & Shots?