Vitamin B12 Injections vs. Supplements: Which is Right for You? What are vitamin injections? Vitamin injections deliver essential nutrients directly into the body, meaning faster absorption compared to oral supplements Popular options include: B12 for energy Vitamin C Vitamin B12 Injections and Their Benefits Vitamin B12 injections are a highly effective method of delivering vitamin B12 directly into the bloodstream. Vitamin B12 is an essential nutrient that plays a crucial VITAMIN B12 (Generic) Injectable Solution, 1000 mcg mL, 100 mL vial Easy Refills Chewy Rx Amazon.com: Vitamin B12 2500mcg Shot of Energy Fast Dissolve Chewable Tablets Quick Release Cherry Flavored Sublingual B12 Vitamin Supports Nervous System, Healthy Brain Function Energy Production 90 Count : Health & Household Methylcobalamin B12 Injection in Beverly Hills, Arcadia and Los Angeles County California Infusion Centers