Vitamin injections ensure 100% absorption of the active ingredients into your body by providing a direct delivery of nutrients into the bodys tissues. These vitamin injectables have many health benefits that help achieve the patients desired weight loss, such as suppressing appetite, building muscle and establishing the foundation for a healthy immune system.Weight-loss injections are designed for clinically obese individuals—meaning their body mass index (BMI) is 30 or higher. Vitamin injections are not meant to be used as a quick-fix option.