Eight weeks is a community research timeline, not a clinically proven protocol
Sufferers of pernicious anaemia, which causes memory loss, extreme fatigue and irrational behaviour, receive an NHS vitamin B12 jab every three months
But a monthly 4000 mcg dose would be 4 mL, with the same concentration
Each case is subject to trial and error, though, as not all peptides dissolve easily
Better sleep and less stress : B12 plays a role in melatonin production, which helps regulate sleep
This treatment can provide an energy boost, support recovery after periods of stress or illness, and help maintain overall daily performance