Oral supplements exist, sure
Yes, split dosing is a valid approach, particularly for doses at the higher end of the range (450-500mcg daily)
Before giving yourself a B12 injection, ensure you have all the necessary supplies: a B12 vial, an alcohol swab, a syringe and needle, and a sharps disposal container
If this test is positive then it means you definitely have Pernicious Anaemia and you will need to continue your injections every 3 months
Photographic tour in the Salar de Tara
Cost varies widely based on the specific peptide, dosage, and whether it is prescription or compounded, and no provider in this research publishes exact figures