Oral supplements have to pass through the digestive system and may not be absorbed efficiently, especially in people with gastrointestinal conditions like celiac, Crohns, or gastritis
Others less frequently are for deeper (and sometimes painful) intramuscular injections
Speichinger, missing one period isnt dangerous, but if you go more than three months without a period or continue to miss periods intermittently over a long period of time, there is the potential for problems depending on the reason why its happening
Combining this with systemic B12 optimisation addresses hair health from multiple angles
What is the difference between an IV and a vitamin shot
Yes, some patients experience temporary fatigue as their body adjusts to therapeutic B12 doses and metabolic processes reactivate