Always Tired? B12 Injections Could Help If you're constantly tired, it might not be your schedule it could be absorption. Injectable vitamins deliver nutrients directly where your body can use them, supporting energy, mood, and overall function. These highlights do not include all the information needed to use [Product Name] safely and effectively. See full prescribing information for [Product Name]. [Product Name] ([Established Name]) [Dosage Form] for [Route of B12 Injections vs Pills Baltimore: Which Works?