Not the reason almost anyone is actually buying it
See Peptide Stacking Guide: The Science Behind Combination Research Protocols
However, some people are more at risk of a vitamin B-12 deficiency, including older people, vegetarians and vegans, those with intestinal disorders, and individuals with diabetes, muscular degeneration, or Lou Gehrigs disease
This depends on the weight of your order, delivery address and delivery method (express vs standard)
So, B12 injections can last for one month with slow release into the blood. In contrast, an IV (intravenous) infusion gives you the dose immediately so that you get the benefits immediately, and the effects are shorter lived
This state can also impact your metabolism, as water plays a crucial role in various metabolic processes