If you don't have a deficiency, you probably won't notice any benefits from a B12 shot, especially since any excess is simply excreted through urine
Examples : Inhalers, and nebulizers
Quality assurance procedures typically include: Controlled chemical synthesis Purification process validation HPLC purity analysis LC-MS molecular identity verification UPLC analysis where applicable Batch release review Certificate of Analysis (COA) Complete batch traceability documentation Every production lot is manufactured under documented quality procedures to ensure reproducibility across laboratory applications
However, there are certain conditions in which vitamin B12 cannot be absorbed, for example, due to dietary insufficiency, malabsorption, or lack of intrinsic factor, hepatic stores are depleted, and deficiency ensues
Seek a trained medical professional to minimize risks