Unfortunately, medicine isnt that simple
Active ingredients have to be packaged so theyre protected from the extreme acid of your stomach, as well as all of the digestive enzymes they meet along the way
These can be distinguished by their selectivities and differential regulation by immune cells
Available from: Hunt A, Harrington D, Robinson S
B12 injections are also available through online providers like AgelessRx, which connects users with licensed medical prescribers. After a virtual visit, these services may send prefilled syringes or vials with instructions, often using the active form methylcobalamin, which is considered highly bioavailable. Some mobile health services send registered nurses to homes or offices to administer B12 injections, combining medical oversight with convenience for busy individuals
Compounded peptides have not undergone this process, but they can be prescribed by a physician for an individual patient based on their professional judgment