best time of day to take bpc 157 injection FDA scientists flag concerns with peptides as RFK Jr. tries ease access : NPR What to Know About the

The Research Gap Phase I safety trials have been conducted but results were never published despite completed status

Always reconstitute the entire vial

In vegans and other people whose B 12 deficiency is diet-related, oral B 12 supplements and a diet designed to increase consumption of vitamin B 12 should cure the condition

Select an injection site such as the abdomen, thigh, or upper arm, rotating sites regularly

As B12 is a water-soluble vitamin, it's generally considered safe (because any not used will be excreted via your urine), but even so you shouldn't take more than the recommended doses unless recommended to do so by your GP, as some studies have shown possible negative impacts of overdoing it